DX3 MCB 50kA up to 63A MCB 50kA up to 63A (1,5 modules ...

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87045 LIMOGES Cedex Telephone: +33 5 55 06 87 87 – FAX: +33 5 55 06 88 88

DXDXDXDX3333 MCB 50kA up to 63A MCB 50kA up to 63A MCB 50kA up to 63A MCB 50kA up to 63A (1,5 modules per pole)(1,5 modules per pole)(1,5 modules per pole)(1,5 modules per pole)

Cat. N°(s): Cat. N°(s): Cat. N°(s): Cat. N°(s): 4 100 97 to 4 102 654 100 97 to 4 102 654 100 97 to 4 102 654 100 97 to 4 102 65

CONTENTS CONTENTS CONTENTS CONTENTS PAGES

1. Description - Use ................................ 1 2. Range................................................. 1 3. Overall dimensions ............................. 1 4. Preparation - Connection .................... 1 5. General characteristics ....................... 2 6. Conformities and approvals .............. 17 7. Characteristic curves ........................ 18 8. Auxiliaries and accessories............... 35

1. DESCRIPTION 1. DESCRIPTION 1. DESCRIPTION 1. DESCRIPTION ---- USE USE USE USE

Thermal-magnetic circuit breaker (MCB) with positive contact indication for control, protection against short- circuits and overloads, and isolation of electrical circuits.

Symbol:Symbol:Symbol:Symbol: Technology:Technology:Technology:Technology: . Current limiting device. . 1,5 module (26,7 mm) per pole. . Trip free mechanism.

2. RANGE2. RANGE2. RANGE2. RANGE

Number of PNumber of PNumber of PNumber of Poles:oles:oles:oles: . 1P / 2P / 3P / 4P.

Rated current In:Rated current In:Rated current In:Rated current In: . 10 / 16 / 20 / 25 / 32 / 40 / 50 / 63 B, C and D curves. . 1.6 / 2.5 / 4 / 6.3 / 10 / 12.5 / 16 / 25 / 40 / 63 MA curve.

Tripping characteristics and magnetic tripping calibrations:Tripping characteristics and magnetic tripping calibrations:Tripping characteristics and magnetic tripping calibrations:Tripping characteristics and magnetic tripping calibrations: . B curve (between 3 and 5 In). . C curve (between 5 and 10 In). . D curve (between 10 and 14 In). . MA curve (between 12 and 14 In with reduced tolerances to +/-10%).

Thermal threshold:Thermal threshold:Thermal threshold:Thermal threshold: . Non operating current (Inf): 1,05 In. . Operating current (If): 1,3 In.

Rated Voltage / FrequeRated Voltage / FrequeRated Voltage / FrequeRated Voltage / Frequency:ncy:ncy:ncy: . 230 / 400 V ~, 50 / 60 Hz with standard tolerances. . 240 / 415 V ~, 50 / 60 Hz with standard tolerances. . 125 V per pole in direct current.

Maximum operating voltage:Maximum operating voltage:Maximum operating voltage:Maximum operating voltage: . 500 V ~, 50 / 60 Hz with derating of breaking capacity.

Breaking capacity:Breaking capacity:Breaking capacity:Breaking capacity: . 50 kA according to IEC/EN/NF 60947-2 standard

3. OVERALL DIMENSIONS3. OVERALL DIMENSIONS3. OVERALL DIMENSIONS3. OVERALL DIMENSIONS

4. PREPARATION 4. PREPARATION 4. PREPARATION 4. PREPARATION ---- CONNECTION CONNECTION CONNECTION CONNECTION

Fixing:Fixing:Fixing:Fixing: . On symmetric rail EN/IEC 60715 or DIN 35.

OperatinOperatinOperatinOperating position:g position:g position:g position: . Vertical Horizontal Upside down On the side

Supply:Supply:Supply:Supply: . Either from the top or the bottom

N° of poles “X” (mm)

1P 27,7 mm27,7 mm27,7 mm27,7 mm

2P 53,4 mm53,4 mm53,4 mm53,4 mm

3P 80,1 mm80,1 mm80,1 mm80,1 mm

4P 106,8 mm106,8 mm106,8 mm106,8 mm

Technical data sheet: F01220EN/00 Updated: - Created: 05/01/2012

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Cat. N°(Cat. N°(Cat. N°(Cat. N°(s): s): s): s): 4 100 97 to 4 102 654 100 97 to 4 102 654 100 97 to 4 102 654 100 97 to 4 102 65

4. PREPARATION 4. PREPARATION 4. PREPARATION 4. PREPARATION –––– CONNECTION CONNECTION CONNECTION CONNECTION (continued)

Terminal depth:Terminal depth:Terminal depth:Terminal depth: . 19 mm. . It is possible to separate the terminals by retractable insulation shields.

Stripping length recommended:Stripping length recommended:Stripping length recommended:Stripping length recommended: . 17 mm for main terminals.

Screw head:Screw head:Screw head:Screw head: . Mixed, slotted and Pozidriv n°2.

Tightening torque:Tightening torque:Tightening torque:Tightening torque: . Recommended: 3 Nm. . Mini 2.5 Nm. Maxi 3.5 Nm.

Tools required:Tools required:Tools required:Tools required: . For terminals: Pozidriv n°2 or flat screwdriver 5,5 mm (6 mm maximum). . For fixing: flat screwdriver 5,5 mm (6 mm maximum).

Connectable section:Connectable section:Connectable section:Connectable section: Copper cable

Without ferrule Without ferrule

Rigid cable

1 x 1,5mm² to 50mm²1 x 1,5mm² to 50mm²1 x 1,5mm² to 50mm²1 x 1,5mm² to 50mm²

2 x 1,5mm² to 16mm²2 x 1,5mm² to 16mm²2 x 1,5mm² to 16mm²2 x 1,5mm² to 16mm² ----

Flexible cable

1 x 1,5mm² to 35mm²1 x 1,5mm² to 35mm²1 x 1,5mm² to 35mm²1 x 1,5mm² to 35mm²

2 x 1,5mm² to 10mm²2 x 1,5mm² to 10mm²2 x 1,5mm² to 10mm²2 x 1,5mm² to 10mm² 1 x 1,5mm² to 35mm²1 x 1,5mm² to 35mm²1 x 1,5mm² to 35mm²1 x 1,5mm² to 35mm²

Manual actuation of the circuitManual actuation of the circuitManual actuation of the circuitManual actuation of the circuit----breaker:breaker:breaker:breaker: . Ergonomic 2 position handle:

0 / OFF: Device open. I / ON: Device closed.

Contact status displayContact status displayContact status displayContact status display:::: . By marking of the associated m.c.b. handle:

“O-Off“ white on a green background = contacts opened. “I-On” white on a red background = contacts closed.

. By mechanical indicator on front face: Green = contacts opened. Red = contacts closed.

Sealing:Sealing:Sealing:Sealing: . Possible in ʺOpenʺ position (OFF) or ʺCloseʺ position (ON).

Lockout::Lockout::Lockout::Lockout:: . By 5 mm padlock (cat. n° 406313) or 6 mm padlock (cat. n° 227 97) with padlock support (cat. n° 044 42) in “Open” position

CCCConsignment:onsignment:onsignment:onsignment: . On site padlocking system, possible only open circuit - 0 / OFF handle position - with 1,5mm² stripped wire for example or 2,4mm wide Colring.

4. PREPARATION 4. PREPARATION 4. PREPARATION 4. PREPARATION –––– CONNECTION CONNECTION CONNECTION CONNECTION (continued)

Labelling:Labelling:Labelling:Labelling: . Circuit identification by way of a label inserted in the label holder situated on the product.

5. GENERAL CHARACTERISTICS5. GENERAL CHARACTERISTICS5. GENERAL CHARACTERISTICS5. GENERAL CHARACTERISTICS

Front side marking:Front side marking:Front side marking:Front side marking: . By permanent ink pad printing showing:

-Trade name: DX3 - Breaking curve - Rated current (in A) - Icu in kA, Breaking capacity according to IEC/ EN 60947-2 standard (50kA) - Catalogue number and logo - Mark: Legrand

ShortShortShortShort----circuit breaking circuit breaking circuit breaking circuit breaking capacity:capacity:capacity:capacity: . Alternate current 50/60Hz, single-phase or three-phase network (50/60 Hz AC) according to IEC 60947-2. B, C, D and MA curves

Un 1P 2P 3P / 4P

110 V~ 75kA75kA75kA75kA 150 kA150 kA150 kA150 kA ----

230 V~ 50 kA50 kA50 kA50 kA 100kA100kA100kA100kA 100kA100kA100kA100kA

400 V~ ---- 50 kA50 kA50 kA50 kA 50 kA50 kA50 kA50 kA

440 V~ ---- 40kA40kA40kA40kA 40kA40kA40kA40kA

500 V~

IcuIcuIcuIcu

---- 15kA15kA15kA15kA 15kA15kA15kA15kA

110 V~

230 V~

400 V~

IcsIcsIcsIcs 75% of Icu75% of Icu75% of Icu75% of Icu 75% of Icu75% of Icu75% of Icu75% of Icu 75% of Icu75% of Icu75% of Icu75% of Icu

ShortShortShortShort----circuit bcircuit bcircuit bcircuit breaking capacity of reaking capacity of reaking capacity of reaking capacity of only one only one only one only one polepolepolepole:::: . Three-phase network 220 / 380 V~ to 240 / 415 V~

- for TN neutral system, Icn1 = 50 kA (under 220 to 240 V~) - for IT neutral system, Iit = 12,5 kA (under 380 to 415 V~)

. Three-phase network 110 / 220 V~ to 120 / 240 V~ - for TN neutral system, Icn1 = 100 kA (under 110 to 127 V~) - for IT neutral system, Iit = 25 kA (under 220 to 240 V~)


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5. GENERAL CHARACTERISTICS5. GENERAL CHARACTERISTICS5. GENERAL CHARACTERISTICS5. GENERAL CHARACTERISTICS (continued)

ShortShortShortShort----circuit bcircuit bcircuit bcircuit breaking capacity:reaking capacity:reaking capacity:reaking capacity: (continued) . Direct current according to standard IEC 60947-2

Un 1P 2P 3P 4P

24 ÷ 48 V d.c. 50505050 kA kA kA kA 50505050 kA kA kA kA ---- ----

110 V d.c. ---- 50505050 kA kA kA kA 50505050 kA kA kA kA ----

230 V d.c.

IcuIcuIcuIcu

---- ---- ---- 50505050 kA kA kA kA

24 ÷ 48 V d.c. 50505050 kA kA kA kA 50505050 kA kA kA kA ---- ----

110 V d.c. ---- 50505050 kA kA kA kA 50505050 kA kA kA kA ----

230 V d.c.

IcsIcsIcsIcs

---- ---- ---- 50505050 kA kA kA kA

MMMMinimum operating voltage :inimum operating voltage :inimum operating voltage :inimum operating voltage : . 12 V a.c. / d.c. per pole.

Pulse rated voltage:Pulse rated voltage:Pulse rated voltage:Pulse rated voltage: . Uimp = 6 kV (wave 1.5 / 50 s).

Insulation rated voltage:Insulation rated voltage:Insulation rated voltage:Insulation rated voltage: . Ui = 500 V.

Pollution degree::Pollution degree::Pollution degree::Pollution degree:: . 3.

Dielectric strength:Dielectric strength:Dielectric strength:Dielectric strength: . 2500 V.

Operation at 400Hz:Operation at 400Hz:Operation at 400Hz:Operation at 400Hz: . The magnetic thresholds increase by 45%.

Load to close and to open Load to close and to open Load to close and to open Load to close and to open of a pole trough theof a pole trough theof a pole trough theof a pole trough the handle handle handle handle:::: . 0,17 Nm per pole to close. . 0,09 Nm per pole to open.

Mechanical endurance according to IEC 60947Mechanical endurance according to IEC 60947Mechanical endurance according to IEC 60947Mechanical endurance according to IEC 60947----2 :2 :2 :2 : . 20 000 operations without load . 10 000 operations with load (under In x Cos ϕ=0.9) . 2 000 operations with load (under In in DC current)

Enclosure material:Enclosure material:Enclosure material:Enclosure material: . Polyester. . Characteristics of this material: self extinguishing, heat and fire resistant according to EN 60898-1, glow-wire test at 960°C for external parts made of insulating material necessary to retain in position current-carrying parts and parts of protective circuit (650°C for all other external parts made of insulating material).


Average weight per pole:Average weight per pole:Average weight per pole:Average weight per pole: . 0,220 kg.

Volume when packed:Volume when packed:Volume when packed:Volume when packed:

Volume (dm³)

Single pole 0,360,360,360,36

Double pole 0,630,630,630,63

Triple / Four pole 1,141,141,141,14

Ambient operating temperature:Ambient operating temperature:Ambient operating temperature:Ambient operating temperature: . Min. = -25°C. Max. = +70°C

Ambient storage temperature:Ambient storage temperature:Ambient storage temperature:Ambient storage temperature: . Min. = -40°C. Max. = +70°C

Protection class:Protection class:Protection class:Protection class: . Protection index of terminals against solid and liquid bodies:

IP 20 (according to IEC 529, EN 60529 et NF C 20-010). . Protection index of the box against solid and liquid bodies:

IP 40 (according to IEC 529, EN 60529 et NF C 20-010). . Protection index against mechanical shocks: IK 02 (according to EN 50102 et NF C 20-015).

Resistance to sinusoidal vibrations:Resistance to sinusoidal vibrations:Resistance to sinusoidal vibrations:Resistance to sinusoidal vibrations: . According to IEC 60068-2-35. . Axis: x, y, z. . Frequency range: 5÷100 Hz ; duration 90 minutes . Displacement (5÷13,2 Hz) : 1mm. . Acceleration (13,2÷100 Hz) : 0,7g (g=9,81 m/s2) RecognitionRecognitionRecognitionRecognition:::: . Recognition of the circuit by insertion of a label in the label holder.

Power dissipated and impedance per Power dissipated and impedance per Power dissipated and impedance per Power dissipated and impedance per pole pole pole pole at In (in W) :at In (in W) :at In (in W) :at In (in W) : . mcbs B, C and D curves

In 10 A 16 A 20 A 25 A

1P to 4P 1,91,91,91,9 2,752,752,752,75 4,724,724,724,72 2,82,82,82,8

In 32 A 40 A 50 A 63 A

1P to 4P 4,44,44,44,4 4,64,64,64,6 4,324,324,324,32 6,056,056,056,05

. mcb MA curve

In 1,6 A 2,5 A 4 A 6,3 A 10 A

1P to 4P 1,71,71,71,7 1,71,71,71,7 1,71,71,71,7 1,71,71,71,7 1,91,91,91,9

In 12,5 A 16 A 25 A 40 A 63 A

1P to 4P 2,22,22,22,2 2,752,752,752,75 2,82,82,82,8 4,64,64,64,6 6,056,056,056,05

. Impedance per pole (Ω) = Power dissipated

In2


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DeratiDeratiDeratiDerating of circuitng of circuitng of circuitng of circuit----breakers according to ambient temperaturebreakers according to ambient temperaturebreakers according to ambient temperaturebreakers according to ambient temperature :::: . The nominal characteristics of a circuit breaker are modified according to the ambient temperature inside the cabinet or the enclosure where the circuit breaker is located.

. Reference temperature: 40°C according IEC/EN 60947-2.

Ambient Temperature / In

In (A) - 25°C - 10°C 0°C 10°C 20°C 30°C 40°C 50°C 60°C 70°C

10 14.014.014.014.0 12.512.512.512.5 11.511.511.511.5 11.111.111.111.1 10.710.710.710.7 10.310.310.310.3 10.010.010.010.0 9.79.79.79.7 9.39.39.39.3 9.09.09.09.0

16 21.921.921.921.9 20.020.020.020.0 18.718.718.718.7 18.018.018.018.0 17.317.317.317.3 16.616.616.616.6 16.016.016.016.0 15.415.415.415.4 14.714.714.714.7 14.114.114.114.1

20 27.727.727.727.7 25.025.025.025.0 23.223.223.223.2 22.422.422.422.4 21.621.621.621.6 20202020.8.8.8.8 20.020.020.020.0 19.219.219.219.2 18.418.418.418.4 17.617.617.617.6

25 34.534.534.534.5 31.531.531.531.5 29.529.529.529.5 28.328.328.328.3 27.227.227.227.2 26.026.026.026.0 25.025.025.025.0 24.024.024.024.0 22.722.722.722.7 21.721.721.721.7

30 41.741.741.741.7 38.338.338.338.3 36.036.036.036.0 34.534.534.534.5 33.033.033.033.0 31.531.531.531.5 30.030.030.030.0 28.828.828.828.8 27.327.327.327.3 26.126.126.126.1

32 45.845.845.845.8 41.041.041.041.0 37.837.837.837.8 36.536.536.536.5 34.934.934.934.9 33.333.333.333.3 32.032.032.032.0 30.730.730.730.7 29.129.129.129.1 27.827.827.827.8

40 55.555.555.555.5 51.051.051.051.0 48.048.048.048.0 46.046.046.046.0 44.044.044.044.0 42.042.042.042.0 40.040.040.040.0 38.038.038.038.0 36.036.036.036.0 34.034.034.034.0

50 70.070.070.070.0 64.064.064.064.0 60.60.60.60.0000 57.557.557.557.5 55.055.055.055.0 52.552.552.552.5 50.050.050.050.0 47.547.547.547.5 45.045.045.045.0 42.542.542.542.5

63 88.188.188.188.1 80.680.680.680.6 75.675.675.675.6 72.572.572.572.5 69.969.969.969.9 66.166.166.166.1 63.063.063.063.0 59.859.859.859.8 56.156.156.156.1 52.952.952.952.9

Derating of MCB for use with fluorescent lights:Derating of MCB for use with fluorescent lights:Derating of MCB for use with fluorescent lights:Derating of MCB for use with fluorescent lights: Ferromagnetic and electronic ballasts have a high inrush current for a short time. These currents can cause the tripping of circuit breakers. At the time of the installation, it should take into account the maximum number of ballasts per circuit breaker that the manufacturers of lamps and ballasts indicate in their catalogues.

Influence of the altitude:Influence of the altitude:Influence of the altitude:Influence of the altitude:

≤2000 m 3000 m 4000 m 5000 m

Dielectric holding 3000 V3000 V3000 V3000 V 2500 V2500 V2500 V2500 V 2000 V2000 V2000 V2000 V 1500 V1500 V1500 V1500 V

Max operational Voltage 400 V400 V400 V400 V 400 V400 V400 V400 V 400 V400 V400 V400 V 400 V400 V400 V400 V

Derating at 40°C nonenonenonenone nonenonenonenone nonenonenonenone nonenonenonenone

Derating of RCCBs function of the number of devices side by side:Derating of RCCBs function of the number of devices side by side:Derating of RCCBs function of the number of devices side by side:Derating of RCCBs function of the number of devices side by side: When several RCCBs are juxtaposed and operate simultaneously, the thermal evacuation of the poles is limited. This results in an increase in operating temperature of the circuit breakers which can cause unwanted tripping. It is recommended to apply the following coefficients to the rated currents.

Number of circuit breakers side by side Coefficient

2 - 3 0.90.90.90.9

4 – 5 0.80.80.80.8

6 - 9 0.70.70.70.7

≥ 10 0.60.60.60.6

These values are given by the recommendation of IEC 60439-1, NF C 63421 and EN 60439-1 standards. To avoid to have to use these coefficients, it is necessary to allow a good ventilation and to separate the devices with 0.5 module spacing elements (cat. N° 4 063 07).


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Cat. N°(s): Cat. N°(s): Cat. N°(s): Cat. N°(s): 4 100 94 100 94 100 94 100 97 to 4 102 657 to 4 102 657 to 4 102 657 to 4 102 65

5. GENERAL CHARACTERISTICS 5. GENERAL CHARACTERISTICS 5. GENERAL CHARACTERISTICS 5. GENERAL CHARACTERISTICS (continued):

MCB’s backMCB’s backMCB’s backMCB’s back----up protection in up protection in up protection in up protection in threethreethreethree----phase network (+ neutal) 400 / 415 V~ according to IEC/EN 60947phase network (+ neutal) 400 / 415 V~ according to IEC/EN 60947phase network (+ neutal) 400 / 415 V~ according to IEC/EN 60947phase network (+ neutal) 400 / 415 V~ according to IEC/EN 60947----2:2:2:2: For TT or TN neutral system in 230/400 V network, to know the breaking capacity of the combination of a double pole breaker (connected between phase and neutral under 230V) downstream of a triple-pole circuit-breaker, take the values shown in Tables 230/400V.

Fuse upstreamFuse upstreamFuse upstreamFuse upstream

gG Type

m.c.b. downstream m.c.b. downstream m.c.b. downstream m.c.b. downstream ≤20A 25A 32A 40A 50A 63A 80A 100A 125A 160A

10A 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

16A ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

20A ---- ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

25A ---- ---- ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

32A ---- ---- ---- ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

40A ---- ---- ---- ---- ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

50A ---- ---- ---- ---- ---- ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

DX3 50kA

B, C and D Curves



aM Type









DX3 50kA

B, C and D Curves


All these values are also valid for circuit breakers associated to differential blocks. According to the curves and ratings of circuit breakers, attention to the magnetic threshold and to the size of upstream circuit breakers which must necessarily be higher.


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BackBackBackBack----up protectionup protectionup protectionup protection between modular circuit between modular circuit between modular circuit between modular circuit----breakers,breakers,breakers,breakers, three three three three----phase network (+ phase network (+ phase network (+ phase network (+ neutal) 400 / 415 V~ according to neutal) 400 / 415 V~ according to neutal) 400 / 415 V~ according to neutal) 400 / 415 V~ according to IEC/EN 60947IEC/EN 60947IEC/EN 60947IEC/EN 60947----2:2:2:2: For TT or TN neutral system in 230/400 V network, to know the breaking capacity of the combination of a double pole breaker (connected between phase and neutral under 230V) downstream of a triple-pole circuit-breaker, take the values shown in Tables 230/400V.

m.c.c.b. upstreamm.c.c.b. upstreamm.c.c.b. upstreamm.c.c.b. upstream

DPX3250 / DPX3250+diff. DPX H / L 250

70kA 70 – 100kA

m.c.b. downstream m.c.b. downstream m.c.b. downstream m.c.b. downstream 100A 160A 200A 250A 25A 40A 63A 100A 160A 250A

10A 70kA70kA70kA70kA 70kA70kA70kA70kA 70k70k70k70kAAAA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA



25A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA ---- 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA


40A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA ---- ---- 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA


DX3 50kA

B, C and D Curves

63A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA ---- ---- ---- 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA


DPX H / DPX L 630MT

70 – 100kA

m.c.b. downstream m.c.b. downstream m.c.b. downstream m.c.b. downstream 250A 320A 400A 500A 630A 250A

10A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA






50A 70kA70kA70kA70kA 70kA70kA70kA70kA 70707070kAkAkAkA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA

DX3 50kA

B, C and D Curves




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BackBackBackBack----up protectionup protectionup protectionup protection between modular circuit between modular circuit between modular circuit between modular circuit----breakers,breakers,breakers,breakers, threethreethreethree----phase network (+ neutal) 400 / 415 V~ according to phase network (+ neutal) 400 / 415 V~ according to phase network (+ neutal) 400 / 415 V~ according to phase network (+ neutal) 400 / 415 V~ according to IEC/EN 60947IEC/EN 60947IEC/EN 60947IEC/EN 60947----2:2:2:2: For TT or TN neutral system in 230/400 V network, to know the breaking capacity of the combination of a double pole breaker (connected between phase and neutral under 230V) downstream of a triple-pole circuit-breaker, take the values shown in Tables 230/400V.


DPX3250 / DPX3250+diff. DPH / L 250

70kA 70 – 100kA


≤4A≤4A≤4A≤4A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA

6,3A6,3A6,3A6,3A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA

10A10A10A10A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA

12,5A12,5A12,5A12,5A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA ---- 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA

16A16A16A16A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA ---- 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA

25A25A25A25A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA ---- ---- 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA


DX3 50kA

MA Curve

63A63A63A63A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA ---- ---- ---- 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA


DPXH / DPXL 630MT

70 – 100kA

m.c.b. downstream m.c.b. downstream m.c.b. downstream m.c.b. downstream 250A 320A 400A 500A 630A

≤4A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA

6,3A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA

10A 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA





DX3 50kA

MA Curve




8 / 35




MCB’s backMCB’s backMCB’s backMCB’s back----up protection in up protection in up protection in up protection in threethreethreethree----phase network (+ neutal) 23phase network (+ neutal) 23phase network (+ neutal) 23phase network (+ neutal) 230 / 240 V~ according to IEC/EN 609470 / 240 V~ according to IEC/EN 609470 / 240 V~ according to IEC/EN 609470 / 240 V~ according to IEC/EN 60947----2:2:2:2: Fuse upstreamFuse upstreamFuse upstreamFuse upstream

gG Type



16A ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100100100100kAkAkAkA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA





50A ---- ---- ---- ---- ---- ---- 100100100100kAkAkAkA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

DX3 50kA

B, C and D Curves



aM type









DX3 50kA

B, C and D Curves




9 / 35




MCB’s backMCB’s backMCB’s backMCB’s back----up protection in up protection in up protection in up protection in threethreethreethree----phase network (+ neutal) 230 / 240 V~ accorphase network (+ neutal) 230 / 240 V~ accorphase network (+ neutal) 230 / 240 V~ accorphase network (+ neutal) 230 / 240 V~ according to IEC/EN 60947ding to IEC/EN 60947ding to IEC/EN 60947ding to IEC/EN 60947----2:2:2:2: m.c.c.b. upstreamm.c.c.b. upstreamm.c.c.b. upstreamm.c.c.b. upstream

DPX3250 / DPX3250+diff. DPX-L 250

70kA 100kA









DX3 50kA

B, C and D Curves

63A 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA ---- ---- ---- 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA


DPX-L 630MT

100kA

m.c.b. downstream m.c.b. downstream m.c.b. downstream m.c.b. downstream 250A 320A 400A 500A 630A 250A








DX3 50kA

B, C and D Curves




10 / 35


Cat. N°(s): Cat. N°(s): Cat. N°(s): Cat. N°(s): 4 100 97 t4 100 97 t4 100 97 t4 100 97 to 4 102 65o 4 102 65o 4 102 65o 4 102 65


MCB’s backMCB’s backMCB’s backMCB’s back----up protection in up protection in up protection in up protection in threethreethreethree----phase network (+ neutal) 230 / 240 V~ according to IEC/EN 60947phase network (+ neutal) 230 / 240 V~ according to IEC/EN 60947phase network (+ neutal) 230 / 240 V~ according to IEC/EN 60947phase network (+ neutal) 230 / 240 V~ according to IEC/EN 60947----2:2:2:2: m.c.c.b. upstreamm.c.c.b. upstreamm.c.c.b. upstreamm.c.c.b. upstream

DPX3250 / DPX3250+diff. DPX-L 250

70kA 100kA


≤4A≤4A≤4A≤4A 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA

6,3A6,3A6,3A6,3A 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA

10A10A10A10A 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA

12,512,512,512,5AAAA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA ---- 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA

16A16A16A16A 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA ---- 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA



DX3 50kA

Curve MA

63A63A63A63A 120kA120kA120kA120kA 120kA120kA120kA120kA 121212120kA0kA0kA0kA 120kA120kA120kA120kA ---- ---- ---- 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA


DPX-L 630MT

100kA

m.c.b. downstream m.c.b. downstream m.c.b. downstream m.c.b. downstream 250A 320A 400A 500A 630A

≤4A 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA 120kA120kA120kA120kA







DX3 50kA

Curve MA




11 / 35




Selectivity between twSelectivity between twSelectivity between twSelectivity between two levels of protectiono levels of protectiono levels of protectiono levels of protection . The downstream circuit breaker must always have a magnetic threshold and a rated current lower than those of the upstream protection. . Selectivity is indicated total (T) if there is selectivity up to the value of breaking capacity (according to IEC / EN 60947-2) of the downstream circuit breaker.

Selectivity between Selectivity between Selectivity between Selectivity between MCBsMCBsMCBsMCBs and fuses: and fuses: and fuses: and fuses: . Selectivity limit at 400V~: values in Ampere.


gG type

m.c.b. downstream m.c.b. downstream m.c.b. downstream m.c.b. downstream 32A 40A 50A 63A 80A 100A 125A 160A

10A ---- 1600160016001600 2200220022002200 3200320032003200 3600360036003600 7000700070007000 11000110001100011000 20000200002000020000

16A ---- 1400140014001400 1800180018001800 2600260026002600 3000300030003000 5600560056005600 8000800080008000 15000150001500015000

20A ---- 1200120012001200 1500150015001500 2200220022002200 2500250025002500 4600460046004600 6300630063006300 10000100001000010000

25A ---- ---- 1300130013001300 2000200020002000 2200220022002200 4100410041004100 5500550055005500 9000900090009000

32A ---- ---- 1200120012001200 1700170017001700 1900190019001900 3500350035003500 4500450045004500 8000800080008000

40A ---- ---- ---- ---- 1700170017001700 3000300030003000 4000400040004000 6000600060006000

50A ---- ---- ---- ---- 1600160016001600 2600260026002600 3500350035003500 5000500050005000

DX3 50kA

B and C curves

63A ---- ---- ---- ---- ---- 2400240024002400 3300330033003300 5000500050005000

10A ---- 1600160016001600 2200220022002200 3200320032003200 3600360036003600 7000700070007000 11000110001100011000 20000200002000020000

16A ---- 1400140014001400 1800180018001800 2600260026002600 3000300030003000 5600560056005600 8000800080008000 15000150001500015000

20A ---- 1200120012001200 1500150015001500 2200220022002200 2500250025002500 4600460046004600 6300630063006300 10000100001000010000

25A ---- ---- 1200120012001200 1800180018001800 2100210021002100 3700370037003700 5000500050005000 6000600060006000

32A ---- ---- ---- 1500150015001500 1800180018001800 3000300030003000 4000400040004000 5000500050005000

40A ---- ---- ---- ---- 1700170017001700 2600260026002600 3500350035003500 4500450045004500

50A ---- ---- ---- ---- 1400140014001400 2000200020002000 3000300030003000 4000400040004000

DX3 50kA

D curve

63A ---- ---- ---- ---- ---- 2000200020002000 3000300030003000 4000400040004000


12 / 35

DXDXDXDX3333 MCB 50kA up to 63A MCB 50kA up to 63A MCB 50kA up to 63A MCB 50kA up to 63A (1,5 modules per pole(1,5 modules per pole(1,5 modules per pole(1,5 modules per pole))))



Selectivity between Selectivity between Selectivity between Selectivity between MCB MCB MCB MCB and fuses:and fuses:and fuses:and fuses: . Selectivity limit at 400V~: values in Ampere.


aM type

m.c.b. downstream m.c.b. downstream m.c.b. downstream m.c.b. downstream 25A 32A 40A 50A 63A 80A 100A 125A 160A

10A ---- 1100110011001100 1700170017001700 2500250025002500 5000500050005000 7800780078007800 12000120001200012000 25000250002500025000 30000300003000030000

16A ---- 1000100010001000 1400140014001400 2100210021002100 4000400040004000 6000600060006000 9000900090009000 21000210002100021000 25000250002500025000

20A ---- ---- 1300130013001300 1800180018001800 3400340034003400 5100510051005100 7000700070007000 14000140001400014000 20000200002000020000

25A ---- ---- 1100110011001100 1600160016001600 3000300030003000 4500450045004500 6000600060006000 9300930093009300 14000140001400014000

32A ---- ---- ---- 1300130013001300 2400240024002400 3800380038003800 5000500050005000 7700770077007700 9000900090009000

40A ---- ---- ---- ---- 2100210021002100 3100310031003100 4200420042004200 6400640064006400 7000700070007000

50A ---- ---- ---- ---- 2000200020002000 2900290029002900 3700370037003700 6000600060006000 6000600060006000

DX3 50kA

B and C curves

63A ---- ---- ---- ---- ---- 2800280028002800 3500350035003500 5500550055005500 6000600060006000

10A ---- 1100110011001100 1700170017001700 2500250025002500 5000500050005000 7800780078007800 12000120001200012000 25000250002500025000 30000300003000030000

16A ---- 1000100010001000 1400140014001400 2100210021002100 4000400040004000 6000600060006000 9000900090009000 21000210002100021000 25000250002500025000

20A ---- ---- 1300130013001300 1800180018001800 3333400400400400 5100510051005100 7000700070007000 14000140001400014000 20000200002000020000

25A ---- ---- 1000100010001000 1500150015001500 2700270027002700 4000400040004000 5500550055005500 9000900090009000 12000120001200012000

32A ---- ---- ---- 1100110011001100 2100210021002100 3500350035003500 4700470047004700 7500750075007500 10000100001000010000

40A ---- ---- ---- ---- 1800180018001800 2800280028002800 4000400040004000 6000600060006000 7000700070007000

50A ---- ---- ---- ---- 1800180018001800 2500250025002500 3500350035003500 5500550055005500 6000600060006000

DX3 50kA

D curve

63A ---- ---- ---- ---- ---- 2500250025002500 3500350035003500 5500550055005500 6000600060006000


13 / 35




Selectivity between modular circuit breakers:Selectivity between modular circuit breakers:Selectivity between modular circuit breakers:Selectivity between modular circuit breakers: . Selectivity limit at 400V~: values in Ampere.

m.c.b. upstreamm.c.b. upstreamm.c.b. upstreamm.c.b. upstream

DX3 50kA

C curve

m.c.b. downstream m.c.b. downstream m.c.b. downstream m.c.b. downstream 10 16 20 25 32 40 50 63

10A ---- 120120120120 150150150150 210210210210 500500500500 700700700700 1000100010001000 1800180018001800

16A ---- ---- 150150150150 187187187187 300300300300 500500500500 700700700700 1300130013001300

20A ---- ---- ---- 187187187187 300300300300 400400400400 500500500500 1000100010001000

25A ---- ---- ---- ---- 240240240240 400400400400 500500500500 800800800800

32A ---- ---- ---- ---- ---- 300300300300 500500500500 600600600600

40A ---- ---- ---- ---- ---- ---- 400400400400 600600600600

50A ---- ---- ---- ---- ---- ---- ---- 500500500500

DX3 50kA

B and C curves

63A ---- ---- ---- ---- ---- ---- ---- ----

10A ---- ---- 150150150150 210210210210 500500500500 700700700700 1000100010001000 1800180018001800

16A ---- ---- ---- ---- 300300300300 500500500500 700700700700 1300130013001300

20A ---- ---- ---- ---- ---- 400400400400 500500500500 1000100010001000

25A ---- ---- ---- ---- ---- ---- 500500500500 800800800800

32A ---- ---- ---- ---- ---- ---- ---- 600600600600

40A ---- ---- ---- ---- ---- ---- ---- ----

50A ---- ---- ---- ---- ---- ---- ---- ----

DX3 50kA

D curve

63A ---- ---- ---- ---- ---- ---- ---- ----

m.c.b. upstreamm.c.b. upstreamm.c.b. upstreamm.c.b. upstream

DX3 50kA

D curve

m.c.b. downstream m.c.b. downstream m.c.b. downstream m.c.b. downstream 10 16 20 25 32 40 50 63

10A ---- 192192192192 240240240240 300300300300 500500500500 700700700700 1000100010001000 1800180018001800

16A ---- ---- 240240240240 300300300300 384384384384 500500500500 700700700700 1313131300000000

20A ---- ---- ---- 300300300300 384384384384 480480480480 600600600600 1000100010001000

25A ---- ---- ---- ---- 384384384384 480480480480 600600600600 800800800800

32A ---- ---- ---- ---- ---- 480480480480 600600600600 756756756756

40A ---- ---- ---- ---- ---- ---- 600600600600 756756756756

50A ---- ---- ---- ---- ---- ---- ---- 756756756756

DX3 50kA

B, C and D Curves

63A ---- ---- ---- ---- ---- ---- ---- ----


14 / 35

DXDXDXDX3333 MCB 50kA up MCB 50kA up MCB 50kA up MCB 50kA up to 63A to 63A to 63A to 63A (1,5 modules per pole)(1,5 modules per pole)(1,5 modules per pole)(1,5 modules per pole)



Selectivity between Selectivity between Selectivity between Selectivity between M.C.B.s M.C.B.s M.C.B.s M.C.B.s and M.C.C.B.s:and M.C.C.B.s:and M.C.C.B.s:and M.C.C.B.s: . Selectivity limit at 400V~: values in Ampere.


DPX3160E / B / N

DPX3160E / B / N + diff. DPX 160

16 - 25 - 50kA 25 – 36 – 50kA

m.c.b. downstream m.c.b. downstream m.c.b. downstream m.c.b. downstream 16A 25A 40A 63A 80A 100A 125A 160A 25A 40A 63A 100A 160A

10A TTTT TTTT TTTT TTTT TTTT TTTT TTTT TTTT 7000700070007000 7000700070007000 7000700070007000 7000700070007000 TTTT

16A ---- TTTT TTTT TTTT TTTT TTTT TTTT TTTT 6000600060006000 6000600060006000 6000600060006000 6000600060006000 18000180001800018000

20A ---- ---- TTTT TTTT TTTT TTTT TTTT TTTT ---- 5000500050005000 5000500050005000 5000500050005000 12000120001200012000

25A ---- ---- 36000360003600036000 TTTT TTTT TTTT TTTT TTTT ---- 3500350035003500 3500350035003500 4000400040004000 8500850085008500

32A ---- ---- ---- TTTT TTTT TTTT TTTT TTTT ---- ---- 2000200020002000 3500350035003500 7000700070007000


50A ---- ---- ---- ---- 4000400040004000 5000500050005000 10000100001000010000 10000100001000010000 ---- ---- ---- 2000200020002000 5500550055005500

DX3 50kA

B and C Curves

63A ---- ---- ---- ---- ---- 5000500050005000 10000100001000010000 10000100001000010000 ---- ---- ---- 2000200020002000 5005005005000000


16A ---- TTTT TTTT TTTT TTTT TTTT TTTT TTTT 6000600060006000 6000600060006000 6000600060006000 6000600060006000 TTTT

20A ---- ---- TTTT TTTT TTTT TTTT TTTT TTTT ---- 5000500050005000 5000500050005000 5000500050005000 18000180001800018000




50A ---- ---- ---- ---- 4000400040004000 5000500050005000 10000100001000010000 10000100001000010000 ---- ---- ---- 3000300030003000 5500550055005500

DX3 50kA

D Curve

63A ---- ---- ---- ---- ---- 5000500050005000 10000100001000010000 10000100001000010000 ---- ---- ---- 3000300030003000 5000500050005000

≤4A TTTT TTTT TTTT TTTT TTTT TTTT TTTT TTTT 12000120001200012000 12000120001200012000 TTTT TTTT TTTT

6,3A TTTT TTTT TTTT TTTT TTTT TTTT TTTT TTTT 12000120001200012000 12000120001200012000 TTTT TTTT TTTT


12,5A TTTT TTTT TTTT TTTT TTTT TTTT TTTT TTTT 7000700070007000 7000700070007000 7500750075007500 7500750075007500 TTTT

16A ---- TTTT TTTT TTTT TTTT TTTT TTTT TTTT 6000600060006000 6000600060006000 6000600060006000 6000600060006000 TTTT



DX3 50kA

MA Curve

63A ---- ---- ---- ---- ---- 5000500050005000 10000100001000010000 10000100001000010000 ---- ---- ---- 3000300030003000 5000500050005000


15 / 35




Selectivity between Selectivity between Selectivity between Selectivity between M.C.B.s M.C.B.s M.C.B.s M.C.B.s and M.C.C.B.sand M.C.C.B.sand M.C.C.B.sand M.C.C.B.s:::: . Selectivity limit at 400V~: values in Ampere.


DPX 250ER DPX 250 / H / L DPX3 250

DPX3 250 + diff

25 – 36 – 50kA 25 - 70 - 100kA 25 - 36 - 70kA

m.c.b. downstream m.c.b. downstream m.c.b. downstream m.c.b. downstream 100A 160A 250A 25A 40A 63A 100A 160A 250A 100A 160A 200A 250A

10A TTTT TTTT TTTT 5000500050005000 5000500050005000 5000500050005000 15000150001500015000 TTTT TTTT TTTT TTTT TTTT TTTT

16A 8000800080008000 TTTT TTTT 4000400040004000 4000400040004000 4000400040004000 10000100001000010000 TTTT TTTT TTTT TTTT TTTT TTTT

20A 6000600060006000 TTTT TTTT ---- 4000400040004000 4000400040004000 8000800080008000 TTTT TTTT TTTT TTTT TTTT TTTT

25A 5000500050005000 8500850085008500 TTTT ---- 3000300030003000 3000300030003000 6000600060006000 TTTT TTTT TTTT TTTT TTTT TTTT

32A 4000400040004000 7000700070007000 TTTT ---- ---- 2000200020002000 5000500050005000 TTTT TTTT TTTT TTTT TTTT TTTT

40A 3503503503500000 6000600060006000 TTTT ---- ---- 2000200020002000 5000500050005000 10000100001000010000 TTTT TTTT TTTT TTTT TTTT

50A 3000300030003000 5500550055005500 7000700070007000 ---- ---- ---- 4000400040004000 8000800080008000 TTTT 20000200002000020000 TTTT TTTT TTTT

DX3 50kA

B and C Curves


10A TTTT TTTT TTTT 5000500050005000 5000500050005000 5000500050005000 TTTT TTTT TTTT TTTT TTTT TTTT TTTT





40A 4500450045004500 6000600060006000 TTTT ---- ---- ---- 5000500050005000 10000100001000010000 TTTT TTTT TTTT TTTT TTTT

50A 3500350035003500 5500550055005500 TTTT ---- ---- ---- 4000400040004000 8000800080008000 TTTT 20000200002000020000 TTTT TTTT TTTT

DX3 50kA

D Curve


≤4A TTTT TTTT TTTT 6000600060006000 6000600060006000 6000600060006000 TTTT TTTT TTTT TTTT TTTT TTTT TTTT

6,3A TTTT TTTT TTTT 6000600060006000 6000600060006000 6000600060006000 TTTT TTTT TTTT TTTT TTTT TTTT TTTT

10A TTTT TTTT TTTT 5000500050005000 5000500050005000 5000500050005000 TTTT TTTT TTTT TTTT TTTT TTTT TTTT

12,5A TTTT TTTT TTTT 5000500050005000 5000500050005000 5000500050005000 TTTT TTTT TTTT TTTT TTTT TTTT TTTT



40A 4500450045004500 6000600060006000 TTTT ---- ---- ---- 5000500050005000 10000100001000010000 TTTT TTTT TTTT TTTT TTTT

DX3 50kA

MA curve

63A 3500350035003500 5000500050005000 6000600060006000 ---- ---- ---- 4000400040004000 8000800080008000 TTTT ---- TTTT TTTT TTTT


16 / 35

DXDXDXDX3333 MCB 50kA up to 63A MCB 50kA up to 63A MCB 50kA up to 63A MCB 50kA up to 63A (1,5 modul(1,5 modul(1,5 modul(1,5 modules per pole)es per pole)es per pole)es per pole)



Selectivity between Selectivity between Selectivity between Selectivity between M.C.B.s M.C.B.s M.C.B.s M.C.B.s and M.C.C.B.sand M.C.C.B.sand M.C.C.B.sand M.C.C.B.s:::: . Selectivity limit at 400V~: values in Ampere.


DPX 400AB DPX 630 / H / L

36kA 36 - 70 - 100kA

m. m. m. m.c.b. downstreamc.b. downstreamc.b. downstreamc.b. downstream 320A 400A 250A 320A 400A 500A 630A 250A

10A 36000360003600036000 36000360003600036000 TTTT TTTT TTTT TTTT TTTT TTTT







DX3 50kA

B and C curves









DX3 50kA

D Curve


≤4A 36000360003600036000 36000360003600036000 TTTT TTTT TTTT TTTT TTTT TTTT

6,3A 36000360003600036000 36000360003600036000 TTTT TTTT TTTT TTTT TTTT TTTT


12,5A 36000360003600036000 36000360003600036000 TTTT TTTT TTTT TTTT TTTT TTTT




DX3 50kA

MA Curve



17 / 35



6. CONFOR6. CONFOR6. CONFOR6. CONFORMITIES AND APPROVALSMITIES AND APPROVALSMITIES AND APPROVALSMITIES AND APPROVALS

Compliance to standards:Compliance to standards:Compliance to standards:Compliance to standards: . Standard reference: IEC/EN 60947-2 . CEE guidelines : 73/23/CEE + 93/68/CEE . Legrand circuit-breakers can be used under the conditions of use as defined by IEC / EN 60947. . The performance of circuit breakers can be influenced by particular climates: hot dry, cold dry, hot humid, salt fog atmosphere

Classification according to Annex QClassification according to Annex QClassification according to Annex QClassification according to Annex Q (standard IEC/EN 60947(standard IEC/EN 60947(standard IEC/EN 60947(standard IEC/EN 60947----1)1)1)1) :::: . Category C with a range test temperature -25 °C / +70 °C . salt fog atmosphere according IEC 60068-2-52

Respect of the environment Respect of the environment Respect of the environment Respect of the environment –––– Compliance with CEE directives: Compliance with CEE directives: Compliance with CEE directives: Compliance with CEE directives: . Compliance with Directive 2002/95/EC of 27/01/03 called "RoHS" which provides for the banning of hazardous substances such as lead, mercury, cadmium, hexavalent chromium, brominated flame retardants polybrominated biphenyls (PBBs) and polybrominated diphenyl ethers (PBDEs) from 1st July 2006 . Compliance with Directive 91/338/CEE of 18/06/91 and Decree 94-647 of 27/07/04

Plastic materialsPlastic materialsPlastic materialsPlastic materials : : : : . Halogens-free plastic materials. . Marking of parts according to ISO 11469 and ISO 1043.

Packaging:Packaging:Packaging:Packaging: . Design and manufacture of packaging in accordance with Decree 98-638 of 07.20.98 and Directive 94/62/EC


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DXDXDXDX3333 MCB 50kA up to MCB 50kA up to MCB 50kA up to MCB 50kA up to 63A 63A 63A 63A (1,5 modules per pole)(1,5 modules per pole)(1,5 modules per pole)(1,5 modules per pole)


7. CURVES7. CURVES7. CURVES7. CURVES

Current limiting curve:Current limiting curve:Current limiting curve:Current limiting curve: . B,C, D and MA curves

. Icc = Square value of symmetric component of the short circuit current ( kA ). . IP = Max peak value ( kA )


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7. 7. 7. 7. CURVESCURVESCURVESCURVES (continued)

Operating characteristic of circuit breakers BOperating characteristic of circuit breakers BOperating characteristic of circuit breakers BOperating characteristic of circuit breakers B curvecurvecurvecurve::::


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Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves of circuit breakers Bof circuit breakers Bof circuit breakers Bof circuit breakers B curve curve curve curve, 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz) ::::

. Icc = Square value of symmetric component of the short circuit current ( kA ). . I2t = Thermal energy limited (A²s).


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Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves of circuit breakers Bof circuit breakers Bof circuit breakers Bof circuit breakers B curve curve curve curve, 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz) ::::



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Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves of circuit breakers Bof circuit breakers Bof circuit breakers Bof circuit breakers B curve curve curve curve, 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz) ::::



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7. C7. C7. C7. CURVURVURVURVESESESES (continued)

Operating characteristic of circuit breakers COperating characteristic of circuit breakers COperating characteristic of circuit breakers COperating characteristic of circuit breakers C curve curve curve curve::::


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ThermaThermaThermaThermal energy limiting curves l energy limiting curves l energy limiting curves l energy limiting curves of circuit breakers Cof circuit breakers Cof circuit breakers Cof circuit breakers C curve curve curve curve, 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz) ::::



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Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves of circuit breakers Cof circuit breakers Cof circuit breakers Cof circuit breakers C curve curve curve curve, 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz) ::::



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Thermal enThermal enThermal enThermal energy limiting curves ergy limiting curves ergy limiting curves ergy limiting curves of circuit breakers Cof circuit breakers Cof circuit breakers Cof circuit breakers C curve curve curve curve, 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz) ::::



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Operating characteristic of circuit breakers DOperating characteristic of circuit breakers DOperating characteristic of circuit breakers DOperating characteristic of circuit breakers D curve curve curve curve::::


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Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves of circuit breakers Dof circuit breakers Dof circuit breakers Dof circuit breakers D curve curve curve curve, 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz) ::::



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Thermal energy limitiThermal energy limitiThermal energy limitiThermal energy limiting curves ng curves ng curves ng curves of circuit breakers Dof circuit breakers Dof circuit breakers Dof circuit breakers D curve curve curve curve, 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz) ::::

. Icc = Square value of symmetric component of the short circuit current ( kA ).

. I2t = Thermal energy limited (A²s).


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7. C7. C7. C7. CURVESURVESURVESURVES (continued)

Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves of circuit breakers Dof circuit breakers Dof circuit breakers Dof circuit breakers D curve curve curve curve, 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz) ::::



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Operating charaOperating charaOperating charaOperating characteristic of circuit breakers MActeristic of circuit breakers MActeristic of circuit breakers MActeristic of circuit breakers MA curve curve curve curve::::


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Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves of cof cof cof circuit breakers MAircuit breakers MAircuit breakers MAircuit breakers MA curve curve curve curve, 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz) ::::



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DXDXDXDX3333 MCB 50kA MCB 50kA MCB 50kA MCB 50kA up to 63Aup to 63Aup to 63Aup to 63A (1,5 modules per pole)(1,5 modules per pole)(1,5 modules per pole)(1,5 modules per pole)



Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves of circuit breakers MAof circuit breakers MAof circuit breakers MAof circuit breakers MA curve curve curve curve, 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz) ::::



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7. C7. C7. C7. CURVESURVESURVESURVES (continued)

Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves Thermal energy limiting curves of cirof cirof cirof circuit breakers MAcuit breakers MAcuit breakers MAcuit breakers MA curve curve curve curve, 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz) ::::



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DXDXDXDX3333 M M M MCB 50kA up to 63ACB 50kA up to 63ACB 50kA up to 63ACB 50kA up to 63A (1,5 modules per pole)(1,5 modules per pole)(1,5 modules per pole)(1,5 modules per pole)


8. AUXILIARIES AND ACCESSORIES8. AUXILIARIES AND ACCESSORIES8. AUXILIARIES AND ACCESSORIES8. AUXILIARIES AND ACCESSORIES

AddAddAddAdd----on modules 63A:on modules 63A:on modules 63A:on modules 63A: Add on module

mcb 2P 3P 4P

2P XXXX ---- ----

3P ---- XXXX ----

4P ---- ---- XXXX

Wiring accessories:Wiring accessories:Wiring accessories:Wiring accessories: . Sealable screw cover (cat n° 4 063 06). . Insulating shields (cat n° 4 063 12) . Aluminium terminal 50 mm² max (cat. n° 4 063 10)

Signal auxiliaries:Signal auxiliaries:Signal auxiliaries:Signal auxiliaries: . Auxiliary contact (½ module – cat n° 4 062 58). . Fault signalling changeover switch (½ module – cat n° 4 062 60). . Auxiliary contact modifiable in default signal (½ module – cat n° 4 062 62). . Auxiliary contact + fault signalling switch - can be modified to 2 auxiliary contacts (1 module - cat n° 4 062 66).

Control auxiliaries:Control auxiliaries:Control auxiliaries:Control auxiliaries: . Shunt releases (1 module - cat n°. 4 062 76 / 78). . Under voltage release (1 module - cat n° 4 062 80 / 82). . Autonomous shunt trip for NC push-button (1 module - cat n°. 4 062 87).

Possible combinations of auxiliaries and MCBs:Possible combinations of auxiliaries and MCBs:Possible combinations of auxiliaries and MCBs:Possible combinations of auxiliaries and MCBs: . The auxiliaries are installed to the left of the MCBs . Maximum number of auxiliaries = 3 . Maximum number of 1 module signalling auxiliaries = 2 . Maximum number of control auxiliaries (Cat. Nos. 4 062 76 to 4 062 87) = 1 . The control auxiliary (Cat. Nos. 4 062 76 to 4 062 87) must mandatorily be placed to the left of the signalling auxiliaries (Cat. Nos. 4 062 58 to 4 062 66) where the auxiliaries from these 2 families are connected to the same MCB.

Sealing:Sealing:Sealing:Sealing: . Possible in ʺOpenʺ mode (OFF) or ʺCloseʺ mode (ON).

Locking options:Locking options:Locking options:Locking options: . By padlock (cat. n° 4 063 13 or 0 227 97), whit padlock support (cat. n° 4 063 03)

Installation software:Installation software:Installation software:Installation software: . XL PRO3


DX3 MCB 50kA up to 63A MCB 50kA up to 63A (1,5 modules ...

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Transcript of DX3 MCB 50kA up to 63A MCB 50kA up to 63A (1,5 modules ...