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Schneider Electric Circuit breaker, ComPacT NSX400N, 50KA/415VAC, 4 poles, MicroLogic 2.3 trip unit 400A C40N42D400

Schneider Electric · Electrical Components · Moulded Case Circuit Breakers · France · se.com
Part Number
C40N42D400  ·  HS 8536.90
Schneider Electric Circuit breaker, ComPacT NSX400N, 50KA/415VAC, 4 poles, MicroLogic 2.3 trip unit 400A C40N42D400

Schneider Electric C40N42D400 Circuit breaker ComPacT NSX400N with electronic protection-Micrologic 2.3 400A 4P 50kA/415VAC - 85kA/230VAC.

Technical Specifications

Manufacturer part number (MPN)C40N42D400
EAN / GTIN3606482002753
HS code8536.90
Sales unitpcs
Package quantity2 pcs
Rated current400 A
Number of poles4P
RangeComPacT
Product nameComPacT NSX
Device short nameNSX400N
Product or component typeCircuit breaker
Device applicationDistribution
Poles description4P
Protected poles description4D; 3D + N/2; 3D
Neutral positionLeft
[In] rated current400 A at 40 °C
[Ue] rated operational voltage690 V AC 50/60 Hz
Network typeAC
Network frequency50/60 Hz
Suitability for isolationYes conforming to EN/IEC 60947-2
Utilisation categoryCategory A
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
Breaking capacity codeN 50 kA 415 V AC
Trip unit nameMicroLogic 2.3
Trip unit technologyElectronic
Trip unit protection functionsLSoI
Control typeToggle
Circuit breaker mounting modeFixed
[Ui] rated insulation voltage800 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage8 kV
[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
Mechanical durability15000 cycles
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
Power dissipation per pole19.2 W
Mounting supportBackplate
Mounting positionHorizontal and vertical; Flat on the back
Upside connectionFront
Downside connectionFront
Connection pitch45 mm
Protection typeL : for overload protection (long time); So : for short time short-circuit protection with fixed delay; I : for instantaneous short-circuit protection
Trip unit rating400 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection)Adjustable 9 settings
[Ir] long-time protection pick-up adjustment range160…400 A
Long-time protection delay adjustment type trFixed
[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
Neutral protection setting0.5 x Ir (3D + N/2); 1 x Ir (4D); No protection (3D)
Thermal memory20 minutes before and after tripping
Short-time protection pick-up adjustment type IsdAdjustable 9 settings
[Isd] Short-time protection pick-up adjustment range1.5...10 x Ir
Short-time protection delay adjustment type tsdFixed
Instantaneous protection pick-up adjustment type IiFixed
[Ii] instantaneous protection pick-up adjustment range4800 A
Earth-leakage protectionWithout
Zone selective interlocking ZSIWithout
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
Width (W)185 mm
Height (H)255 mm
Depth (D)110 mm
Product weight7.9 kg
StandardsEN/IEC 60947-2
Overvoltage categoryIII
Electrical shock protection classClass II on front face
Pollution degree3 conforming to IEC 60664-1
IP degree of protectionIP40 conforming to IEC 60529
IK degree of protectionIK07 conforming to IEC 62262
Ambient air temperature for operation-25…70 °C
Ambient air temperature for storage-50…85 °C
Relative humidity0…95 %
Operating altitude0...2000 m without derating; 2000 m...5000 m with derating
Warranty (in months)18

Properties

MOQ1

Cross-References

Attached Documents