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Schneider Electric C40N44V400

Schneider Electric C40N44V400

MPNC40N44V400
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C40N44V400 - COMPACT NSX400N by SCHNEIDER ELECTRIC

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

C40N44V400 key specifications
ParameterValue
Control typeToggle
Network typeAC
Protection typeL : for overload protection (long time) So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection R : for earth-leakage protection
Product or component typeEarth leakage circuit breaker
Long-time protection delay adjustment type trFixed
Short-time protection delay adjustment type tsdFixed
Short-time protection pick-up adjustment type isdAdjustable
Instantaneous protection pick-up adjustment type iiFixed
Earth-leakage protection sensitity adjustment type iδnAdjustable
Earth-leakage protection time delay adjustement type δtAdjustable
Long-time pick-up adjustment type ir (thermal protection)Adjustable 9 settings
Voltage500 V AC 50/60 Hz

All specifications

C40N44V400 additional specifications
ParameterValue
[Ue] rated operational voltage440 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage8 kV
Breaking capacity85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 42 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 30 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 22 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 10 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 85 kA Icu at 240 V AC 50/60 Hz conforming to UL 60947-4-1 50 kA Icu at 480 V AC 50/60 Hz conforming to UL 60947-4-1 20 kA Icu at 600 V AC 50/60 Hz conforming to UL 60947-4-1
Current400 A at 40 °C
Breaking capacity codeN 50 kA 415 V AC
[Ics] rated service breaking capacity85 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 42 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 30 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 11 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 10 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
Power dissipation per pole25.6 W N 25.6 W L1 and L3 22.4 W L2
Network frequency50/60 Hz
Poles description4P
Protected poles description4D 3D + N/2 3D
Utilisation categoryCategory A
IK degree of protectionIK07 conforming to IEC 62262
IP degree of protectionIP40 conforming to IEC 60529
Mounting supportBackplate
Mounting positionHorizontal and vertical Flat on the back
Circuit breaker mounting modeFixed
Connection pitch45 mm
Upside connectionFront
Downside connectionFront
Pollution degree3 conforming to IEC 60664-1
Relative humidity0...95 %
Operating altitude0...2000 m without derating 2000 m...5000 m with derating
Electrical shock protection classClass II on front face
Depth110 mm
Width185 mm
Height255 mm
Electrical durability12000 cycles at 440 V In/2 6000 cycles at 440 V In 6000 cycles at 690 V In/2 3000 cycles at 690 V In
Mechanical durability15000 cycles
StandardsEN/IEC 60947-2
RangeComPacT
Operating modeOFF using the IΔn rotary switch
Thermal memory20 minutes before and after tripping
Trip unit nameMicroLogic 4.3
Number of slots6 slot(s)
Local signallingFlashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload
Neutral positionLeft
Trip unit rating400 A at 40 °C
Device short nameNSX400N
Device applicationDistribution
Overvoltage categoryIV
Trip unit technologyElectronic
Earth-leakage protectionIntegrated
Suitability for isolationYes conforming to EN/IEC 60947-2
Neutral protection setting0.5 x Ir (3D + N/2) 1 x Ir (4D) No protection (3D)
Earth-leakage protection classClass A
Trip unit protection functionsLSoIR
Zone selective interlocking ZSIWithout
Ambient air temperature for storage-50...85 °C
Ambient air temperature for operation-25...70 °C
[Tr] Long-Time delay adjustment range400 s at 1.5 x Ir 16 s at 6 x Ir 11 s at 7.2 x Ir
[Ir] long-time protection pick-up adjustment range160...400 A
[δt] residual earth-leakage time delay adjustment0 ms 60 ms 150 ms 500 ms 1 s
[Isd] short-time protection pick-up adjustment range1.5...10 x Ir
[Ii] instantaneous protection pick-up adjustment range4800 A
[IΔn] earth-leakage protection sensitivity adjustment range300 mA 500 mA 1 A 3 A 5 A 10 A
MPN
C40N44V400