Skip to main content
Log in
Schneider Electric C16B6TM125 — Miniature Circuit Breakers (MCB)

Schneider C16B6TM125 ComPacT NSX MCCB, 125 A, 40 kA, 4-pole

MPNC16B6TM125
Active

Schneider C16B6TM125 Compact Nsx, New Generation — now discontinued, supplied from remaining surplus and broker stock.

$245.64Ref. price · indicative, final on quote
Schneider Electric C16B6TM125 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026

Specifications

C16B6TM125 — Identification
ParameterValue
Product nameComPacT NSX
Product rangeComPacT
Product/component typeCircuit breaker
Device applicationDistribution
C16B6TM125 — Ratings
ParameterValue
Rated current (In)125 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 15 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
C16B6TM125 — Protection
ParameterValue
Trip unit technologyThermal-magnetic
Earth-leakage protectionWithout
Suitability for isolationYes conforming to EN/IEC 60947-2
Electrical durability (cycles)40000 cycles at 440 V In/2 20000 cycles at 440 V In 15000 cycles at 690 V In/2 7500 cycles at 690 V In
Mechanical durability (cycles)40000 cycles
C16B6TM125 — Mechanical
ParameterValue
Mounting supportBackplate
Control typeToggle
C16B6TM125 — 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 %
C16B6TM125 — Approvals
ParameterValue
StandardsEN/IEC 60947-2
C16B6TM125 — Specifications
ParameterValue
[Ir] long-time protection pick-up adjustment range0.7...1 x In
Trip unit protection functionsLI

Product details

Overview

The C16B6TM125 is a Schneider ComPacT NSX molded case circuit breaker rated 125 A with a TM-D thermal-magnetic trip unit, switching 4 poles at up to 690 V AC and interrupting 40 kA under IEC 60947-2. It is a fixed-mount, front-connect device with a toggle actuator, Class II insulation on the front face, and a 35 mm terminal pitch for panel wiring.

Compared to the 3-pole C10F3TM025 (25 A, 85 kA IC), the C16B6TM125 carries a higher continuous rating at 125 A but a lower interrupting capacity at 40 kA — select the C10F3TM025 when the fault current exceeds 40 kA or the load is under 25 A on a 3-pole circuit.

MPN
C16B6TM125