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Datasheet generated 2026-10-07
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Schneider Electric Circuit breaker, ComPacT NSX400F DC, 36KA/750VDC, 4 poles, TM-DC trip unit 400A C40F4TM400D

Schneider Electric · Electrical Components · Moulded Case Circuit Breakers · France · se.com
Part Number
C40F4TM400D  ·  HS 8536.90
Schneider Electric Circuit breaker, ComPacT NSX400F DC, 36KA/750VDC, 4 poles, TM-DC trip unit 400A C40F4TM400D

Schneider Electric C40F4TM400D Circuit breaker ComPacT NSX400F-TM400-DC 4p with thermomagnetic protection 400A-36kA/750VDC.

Technical Specifications

Manufacturer part number (MPN)C40F4TM400D
EAN / GTIN3606481995117
HS code8536.90
Sales unitpcs
Number of poles4
RangeComPacT
Product nameComPacT NSX DC
Device short nameNSX400F DC
Product or component typeCircuit breaker
Device applicationDistribution
Poles description4P
Protected poles description4D
Neutral positionLeft
[In] rated current400 A at 40 °C
[Ue] rated operational voltage750 V DC
Network typeDC
Suitability for isolationYes conforming to EN/IEC 60947-2
Utilisation categoryCategory A
Breaking capacity36 kA Icu at 24...125 V DC 1 pole conforming to IEC 60947-2; 36 kA Icu at 250 V DC 1 pole conforming to IEC 60947-2; 36 kA Icu at 500 V DC 2 poles in series conforming to IEC 60947-2; 36 kA Icu at 750 V DC 3 poles in series conforming to IEC 60947-2
Breaking capacity codeF 36 kA 750 V DC
Trip unit nameTM-DC
Trip unit technologyThermal-magnetic
Trip unit protection functionsLI
Control typeToggle
Circuit breaker mounting modeFixed
[Ui] rated insulation voltage750 V DC conforming to IEC 60947-2
[Uimp] rated impulse withstand voltage8 kV conforming to IEC 60947-2
[Ics] rated service breaking capacity36 kA at 24...125 V DC conforming to IEC 60947-2; 36 kA at 250 V DC conforming to IEC 60947-2; 36 kA at 500 V DC conforming to IEC 60947-2; 36 kA at 750 V DC conforming to IEC 60947-2
Mechanical durability5000 cycles
Electrical durability2000 cycles at 750 V In/2; 1000 cycles at 750 V In
Mounting supportBackplate
Mounting positionHorizontal and vertical; Flat on the back
Upside connectionFront
Downside connectionFront
Connection pitch45 mm
Protection typeL : for overload protection (thermal); I : for short-circuit protection (magnetic)
Trip unit rating400 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection)Adjustable
[Ir] long-time protection pick-up adjustment range0.7...1 x In
Long-time protection delay adjustment type trFixed
Instantaneous protection pick-up adjustment type IiAdjustable
[Ii] instantaneous protection pick-up adjustment range2.5...5 x In
Earth-leakage protectionWithout
Number of slots6 slot(s)
Width (W)185 mm
Height (H)255 mm
Depth (D)110 mm
Product weight8.4 kg
StandardsEN/IEC 60947-2
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
Number of Units in Package 11
Number of Units in Package 28
Warranty (in months)18

Properties

MOQ1

Cross-References

Attached Documents