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Schneider Electric C25W3MA150 — Miniature Circuit Breakers (MCB)

Schneider C25W3MA150 ComPacT NSX MCCB, 3-pole, 150 A, 100 kA

MPNC25W3MA150
Obsolete

Schneider C25W3MA150 Compact Nsx, New Generation — now discontinued. Supplied from remaining channel stock; full specifications, lifecycle and same-series options are below.

$6.49Ref. price · indicative, final on quote
Schneider Electric C25W3MA150 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

C25W3MA150 — Identification
ParameterValue
Product nameComPacT NSX
Product rangeComPacT
Product/component typeCircuit breaker
Device applicationMotor protection
C25W3MA150 — Ratings
ParameterValue
Rated current (In)150 A at 65 °C
Poles configuration3P
Breaking capacity100 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 100 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 100 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
Rated service breaking capacity (Ics)100 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 100 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 100 kA at 660/690 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
C25W3MA150 — Protection
ParameterValue
Trip unit technologyMagnetic
Earth-leakage protectionWithout
Suitability for isolationYes conforming to EN/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
C25W3MA150 — Mechanical
ParameterValue
Mounting supportBackplate
Control typeToggle
C25W3MA150 — 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 %
C25W3MA150 — Approvals
ParameterValue
StandardsEN/IEC 60947-2
C25W3MA150 — Specifications
ParameterValue
Trip unit protection functionsI

Product details

Overview

The C25W3MA150 is a Schneider ComPacT NSX molded case circuit breaker with a magnetic-only trip unit (MA), rated 150 A at 65 °C and 100 kA ICu at 690 V AC. This 3-pole fixed-mount breaker uses a toggle control and is designed for motor protection per EN/IEC 60947-2. It carries a Category A utilization rating and is suitable for isolation.

MPN
C25W3MA150