Skip to main content
Log in
Schneider Electric C12H6TM125L — Miniature Circuit Breakers (MCB)

Schneider C12H6TM125L ComPacT NSXm 4-pole 125A MCCB

MPNC12H6TM125L
Active

Schneider ComPacT NSXm C12H6TM125L molded case circuit breaker, 4-pole, 125 A, TM-D thermal-magnetic trip unit, 100 kA IC at 440 V AC, EN/IEC 60947-2, fixed mount, toggle control, 12-module width.

$327.51Ref. price · indicative, final on quote
Schneider Electric C12H6TM125L datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026

Specifications

C12H6TM125L — Identification
ParameterValue
Product nameComPacT NSXm
Product rangeComPacT
Product/component typeCircuit breaker
Device applicationDistribution
C12H6TM125L — Ratings
ParameterValue
Rated current (In)125 A at 40 °C
Poles configuration4P
Rated operational voltage (Ue)440 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
C12H6TM125L — 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
Mechanical durability (cycles)20000 cycles
C12H6TM125L — Mechanical
ParameterValue
Mounting supportBackplate
Control typeToggle
Local signalling/indicationFlag (green) for presence of auxiliary contacts
Number of 9 mm pitches12 module
C12H6TM125L — 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 %
C12H6TM125L — Approvals
ParameterValue
StandardsEN/IEC 60947-2
C12H6TM125L — Electrical
ParameterValue
[Icu] rated ultimate short-circuit breaking capacity100 kA Icu at 220...240 V AC 50/60 Hz conforming to IEC 60947-2 70 kA Icu at 380...415 V AC 50/60 Hz conforming to IEC 60947-2 65 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
[Ics] rated service short-circuit breaking capacity100 kA at 220...240 V AC 50/60 Hz conforming to IEC 60947-2 70 kA at 380...415 V AC 50/60 Hz conforming to IEC 60947-2 65 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
C12H6TM125L — Specifications
ParameterValue
[Ir] long-time protection pick-up adjustment range0.7...1 x In
Trip unit protection functionsLI

Product details

Overview

The C12H6TM125L is a Schneider ComPacT NSXm molded case circuit breaker with 4 poles, rated 125 A at 40 °C, and a breaking capacity of 100 kA at 440 V AC. It uses a TM-D thermal-magnetic trip unit and complies with EN/IEC 60947-2. This unit is in active production and available through standard distribution channels.

Schneider lists the C12H6TM125L as an active part within the ComPacT NSXm range, with no announced end-of-life. For a BOM freeze or line-down need, an RFQ confirms current lead time and quantity. The closest functional peer is the C12F6TM125L, which shares the same 4-pole, 125 A rating and 100 kA IC, but uses a different trip unit type (TM-D vs. TM-D) — verify trip curve compatibility before substitution.

MPN
C12H6TM125L