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Schneider Electric C10B6TM040 — Miniature Circuit Breakers (MCB)

C10B6TM040 ComPacT NSX Circuit Breaker, 40 A, 25 kA 415 V

MPNC10B6TM040
Active

Schneider Electric ComPacT NSX, circuit breaker, 4P, 40 A, 25 kA Icu at 415 V AC, thermal-magnetic TM-D trip unit, toggle control.

$161.21Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

C10B6TM040 — Identification
ParameterValue
Product nameComPacT NSX
Product rangeComPacT
Product/component typeCircuit breaker
Device applicationDistribution
C10B6TM040 — Ratings
ParameterValue
Rated current (In)40 A at 40 °C
Poles configuration4P
Breaking capacity40 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 25 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 20 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 15 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2
Rated service breaking capacity (Ics)40 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 25 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 20 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 7 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2
Rated operational voltage (Ue)690 V AC 50/60 Hz
Rated insulation voltage (Ui)800 V AC 50/60 Hz
Rated impulse withstand voltage (Uimp)8 kV
Network type (AC/DC)AC
Network frequency50/60 Hz
Utilisation categoryCategory A
Overvoltage categoryIII
C10B6TM040 — Protection
ParameterValue
Trip unit technologyThermal-magnetic
Earth-leakage protectionWithout
Suitability for isolationYes conforming to EN/IEC 60947-2
Electrical durability (cycles)50000 cycles at 440 V In/2 30000 cycles at 440 V In 20000 cycles at 690 V In/2 10000 cycles at 690 V In
Mechanical durability (cycles)50000 cycles
C10B6TM040 — Mechanical
ParameterValue
Mounting supportBackplate
Control typeToggle
C10B6TM040 — Environmental
ParameterValue
Operating ambient temperature-25...70 °C
Storage ambient temperature-50...85 °C
IP degree of protectionIP40 conforming to IEC 60529
Pollution degree3 conforming to IEC 60664-1
Relative humidity0...95 %
C10B6TM040 — Approvals
ParameterValue
StandardsEN/IEC 60947-2
C10B6TM040 — Specifications
ParameterValue
[Ir] long-time protection pick-up adjustment range0.7...1 x In
Trip unit protection functionsLI

Product details

No earth-leakage module fitted — this is a straight feeder or branch breaker, not a residual-current device.

Breaking capacity steps down with voltage: 40 kA Icu at 240 V, 25 kA at 415 V, 20 kA at 440 V, 15 kA at 500 V. It's Category A (no intentional short-time delay), so it trips instantaneously on magnetic pickup — coordination with downstream devices depends on that fast reaction. The 4-pole version with neutral left and no neutral protection (3D setting) means the neutral is switched but not monitored; fine for balanced loads where the neutral won't see fault current.

Front connections top and bottom — standard for panel wiring. IK07 impact rating means it survives the odd dropped tool during commissioning.

It's a standard catalogue item in the ComPacT NSX family, widely specified.

Frequently asked questions

What is the C10B6TM040's breaking capacity at 415 V?

25 kA Icu at 380/415 V AC 50/60 Hz per IEC 60947-2. That's the breaking capacity code B rating.

What compliance documentation is available for the C10B6TM040?

The breaker is certified to EN/IEC 60947-2. It carries IP40 and IK07 protection ratings per IEC 60529 and IEC 62262 respectively, and is suitable for isolation per the same standard.

Where can I buy the C10B6TM040?

This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

MPN
C10B6TM040