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Schneider Electric G25B4A250 — Miniature Circuit Breakers (MCB)

Schneider Electric G25B4A250

MPNG25B4A250
Active

Circuit breaker, GoPact MCCB 250, 4 poles, 25kA at 415VAC, 250A, TMD trip unit, adjustable thermal protection, up to 50°C

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026

Specifications

G25B4A250 — Identification
ParameterValue
Product nameGoPact MCCB 250
Product range (series)GoPact MCCB
Product/component typeCircuit breaker
Device applicationDistribution
G25B4A250 — Ratings
ParameterValue
Rated current (In)250 A at 40 °C 250 A at 50 °C
Poles configuration4P
Rated operational voltage (Ue)415 V AC 50/60 Hz conforming to EN/IEC 60947-2
Rated insulation voltage (Ui)440 V AC conforming to EN/IEC 60947-2
Rated impulse withstand voltage (Uimp)8 kV conforming to EN/IEC 60947-2
Utilisation categoryCategory A
Overvoltage categoryIII
G25B4A250 — Protection
ParameterValue
Trip unit technologyThermal-magnetic
Suitability for isolationYes conforming to EN/IEC 60947-2
Electrical durability (cycles)8000 cycles at 415 V In
Mechanical durability (cycles)25000 cycles
G25B4A250 — Mechanical
ParameterValue
Mounting supportBackplate
Control typeToggle
G25B4A250 — Environmental
ParameterValue
Operating ambient temperature-20...55 °C
Storage ambient temperature-35...85 °C
IP degree of protectionIP20 conforming to IEC 60529
Pollution degree3 conforming to IEC 60664-1
G25B4A250 — Approvals
ParameterValue
StandardsEN/IEC 60947-1 EN/IEC 60947-2 EN/IEC 60947-2 Annex H
G25B4A250 — Electrical
ParameterValue
[Icu] rated ultimate short-circuit breaking capacity25 kA Icu at 380/415 V AC 50/60 Hz conforming to EN/IEC 60947-2 36 kA Icu at 220/230 V AC 50/60 Hz conforming to EN/IEC 60947-2
[Ics] rated service short-circuit breaking capacity25 kA at 380/415 V AC 50/60 Hz conforming to EN/IEC 60947-2 36 kA at 220/230 V AC 50/60 Hz conforming to EN/IEC 60947-2
G25B4A250 — Specifications
ParameterValue
[Ir] long-time protection pick-up adjustment range0.7...1 x In
Trip unit protection functionsLI
MPN
G25B4A250