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Schneider Electric C40S3TM400D

Schneider Electric C40S3TM400D

MPNC40S3TM400D
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C40S3TM400D by SQUARE D

$1,153.16Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

C40S3TM400D key specifications
ParameterValue
Control typeToggle
Network typeDC
Protection typeL : for overload protection (thermal) I : for short-circuit protection (magnetic)
Product or component typeCircuit breaker
Long-time protection delay adjustment type trFixed
Instantaneous protection pick-up adjustment type iiAdjustable
Long-time pick-up adjustment type ir (thermal protection)Adjustable
Voltage750 V DC conforming to IEC 60947-2
[Ue] rated operational voltage750 V DC
[Uimp] rated impulse withstand voltage8 kV conforming to IEC 60947-2
Breaking capacity100 kA Icu at 24...125 V DC 1 pole conforming to IEC 60947-2 100 kA Icu at 250 V DC 1 pole conforming to IEC 60947-2 100 kA Icu at 500 V DC 2 poles in series conforming to IEC 60947-2 100 kA Icu at 750 V DC 3 poles in series conforming to IEC 60947-2
Current400 A at 40 °C

All specifications

C40S3TM400D additional specifications
ParameterValue
Breaking capacity codeS 100 kA 500 V DC
[Ics] rated service breaking capacity100 kA at 24...125 V DC conforming to IEC 60947-2 100 kA at 250 V DC conforming to IEC 60947-2 100 kA at 500 V DC conforming to IEC 60947-2 100 kA at 750 V DC conforming to IEC 60947-2
Poles description3P
Protected poles description3D
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
Depth110 mm
Width140 mm
Height255 mm
Electrical durability2000 cycles at 750 V In/2 1000 cycles at 750 V In
Mechanical durability5000 cycles
StandardsEN/IEC 60947-2
RangeComPacT
Trip unit nameTM-DC
Number of slots6 slot(s)
Trip unit rating400 A at 40 °C
Device short nameNSX400S DC
Device applicationDistribution
Trip unit technologyThermal-magnetic
Earth-leakage protectionWithout
Suitability for isolationYes conforming to EN/IEC 60947-2
Trip unit protection functionsLI
Ambient air temperature for storage-50...85 °C
Ambient air temperature for operation-25...70 °C
[Ir] long-time protection pick-up adjustment range0.7...1 x In
[Ii] instantaneous protection pick-up adjustment range2.5...5 x In
MPN
C40S3TM400D