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Schneider Electric C11B6TM050B — Miniature Circuit Breakers (MCB)

Schneider Electric C11B6TM050B ComPacT NSXm, 50 A, 25 kA, 4P

MPNC11B6TM050B
Active

Schneider Electric ComPacT NSXm, circuit breaker, 4P, 50 A, 25 kA at 415 V AC, thermal-magnetic TM-D trip unit, grey (RAL 7016).

Schneider Electric C11B6TM050B datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

C11B6TM050B — Identification
ParameterValue
Product nameComPacT NSXm
Product rangeComPacT
Product/component typeCircuit breaker
Device applicationDistribution
C11B6TM050B — Ratings
ParameterValue
Rated current (In)50 A at 40 °C
Poles configuration4P
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
C11B6TM050B — Protection
ParameterValue
Trip unit technologyThermal-magnetic
Earth-leakage protectionWithout
Suitability for isolationYes conforming to IEC 60947-2
Electrical durability (cycles)20000 cycles at 440 V In/2 10000 cycles at 440 V In 10000 cycles at 690 V In/2 5000 cycles at 690 V In
Mechanical durability (cycles)20000 cycles
C11B6TM050B — Mechanical
ParameterValue
Mounting supportBackplate
Control typeToggle
Local signalling/indicationFlag (green) for presence of auxiliary contacts
Number of 9 mm pitches12 module
C11B6TM050B — 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 %
C11B6TM050B — Approvals
ParameterValue
StandardsEN/IEC 60947-2
C11B6TM050B — Electrical
ParameterValue
[Icu] rated ultimate short-circuit breaking capacity50 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 10 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2
[Ics] rated service short-circuit breaking capacity50 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 10 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2
C11B6TM050B — Specifications
ParameterValue
[Ir] long-time protection pick-up adjustment range0.7...1 x In
Trip unit protection functionsLI

Product details

The Schneider Electric C11B6TM050B is a ComPacT NSXm moulded-case circuit breaker (MCCB) with a 50 A thermal-magnetic trip unit (TM-D), four poles, and a 25 kA interrupting capacity at 415 V AC — performance level B per IEC 60947-2. It is a distribution-grade device (category A) for backplate mounting in panelboards or sub-distribution boards, with front-connect terminals accepting compression lugs or busbars. The 4-pole configuration places the neutral on the left, and the toggle handle provides local manual control.

The thermal-magnetic TM-D trip unit combines a bimetal element for overload protection (inverse-time curve) with a solenoid for short-circuit instantaneous trip.

Frequently asked questions

What is the breaking capacity of C11B6TM050B?

25 kA at 415 V AC, performance level B per IEC 60947-2.

Where can I buy C11B6TM050B?

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

What compliance standards does C11B6TM050B meet?

It is certified to EN/IEC 60947-2, with pollution degree 3 per IEC 60664-1, IP40 per IEC 60529, and IK07 per IEC 62262.

MPN
C11B6TM050B