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Schneider Electric 31814 — Miniature Circuit Breakers (MCB)

Schneider Electric 31814

MPN31814
Active

circuit breaker Compact NS250L STR22SE - 40 A - 3 poles 3d

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

Specifications

31814 — Identification
ParameterValue
Product range (series)Compact NS100...630
Product/component typeCircuit breaker
Device applicationDistribution
31814 — Ratings
ParameterValue
Rated current (In)220 A at 65 °C 250 A at 40 °C
Poles configuration3P
Breaking capacity130 kA at 480 V AC 50/60 Hz conforming to NEMA AB1 HIC 200 kA at 240 V AC 50/60 Hz conforming to NEMA AB1 HIC 50 kA at 600 V AC 50/60 Hz conforming to NEMA AB1 HIC 130 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 150 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 150 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 20 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 70 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2
Rated service breaking capacity (Ics)130 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 150 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 150 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 20 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 70 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2
Rated operational voltage (Ue)690 V AC 50/60 Hz conforming to IEC 60947-2 750 V DC conforming to IEC 60947-2
Rated insulation voltage (Ui)750 V AC 50/60 Hz conforming to IEC 60947-2
Rated impulse withstand voltage (Uimp)8 kV conforming to IEC 60947-2
Network type (AC/DC)AC DC
Network frequency50/60 Hz
Utilisation categoryCategory A
31814 — Protection
ParameterValue
Trip unit technologyElectronic
Suitability for isolationYes conforming to IEC 60947-2
Electrical durability (cycles)10000 cycles 440 V AC 50/60 Hz In conforming to IEC 60947-2 20000 cycles 440 V AC 50/60 Hz In/2 conforming to IEC 60947-2
Mechanical durability (cycles)20000 cycles
31814 — Mechanical
ParameterValue
Mounting supportBackplate
Mounting modeFixed
Control typeToggle
Local signalling/indicationPositive contact indication
Width105 mm
Height161 mm
Depth86 mm
31814 — 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 60947
31814 — Approvals
ParameterValue
StandardsIEC 60947-2
MPN
31814