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Schneider Electric 48355 — Air Circuit Breakers

Schneider Electric 48355

MPN48355
Active

circuit breaker Masterpact NW40bH2 - 4000 A - 4 poles - drawout - w/o trip unit

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

Specifications

48355 — Identification
ParameterValue
Product typeCircuit breaker
Product nameMasterPact NW
RangeMasterPacT
Circuit breaker nameMasterPact NW40bH2
ApplicationPower distribution protection
Control unitWithout control unit
48355 — Electrical ratings
ParameterValue
Rated current (In)4000 A at 40 °C
Sensor rating2000 A 4000 A
Rated operational voltage (Ue)690 V AC 50/60 Hz
Poles4P
Rated insulation voltage (Ui)1000 V AC 50/60 Hz
Rated impulse withstand voltage (Uimp)12 kV
Suitable for isolationYes conforming to EN/IEC 60947-2
48355 — Breaking & withstand capacity
ParameterValue
Rated ultimate breaking capacity (Icu)150 kA at 220/415 V AC 50/60 Hz 150 kA at 440 V AC 50/60 Hz 130 kA at 525 V AC 50/60 Hz 100 kA at 690 V AC 50/60 Hz
Rated service breaking capacity (Ics)150 kA at 220/415 V AC 50/60 Hz 150 kA at 440 V AC 50/60 Hz 130 kA at 525 V AC 50/60 Hz 100 kA at 690 V AC 50/60 Hz
Rated short-time withstand current (Icw)100 kA 1 s 100 kA 3 s
Rated short-circuit making capacity (Icm)330 kA 220/415 V AC at 50/60 Hz 330 kA 440 V AC at 50/60 Hz 286 kA 525 V AC at 50/60 Hz 220 kA 690 V AC at 50/60 Hz
Performance typeH2 150 kA 440 V AC
48355 — Performance
ParameterValue
Breaking time, max.25 ms
Closing response time, max.80 ms
Mechanical durability (cycles)10000 cycles with maintenance 5000 cycles without maintenance
Electrical durability (cycles)1500 cycles 440 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2 1500 cycles 690 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2 AC-23A: 1500 cycles 440 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-3 AC-23A: 1500 cycles 690 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-3 AC-3: 6000 cycles 440/690 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-3
Selectivity categoryCategory B
Power dissipation550 W
48355 — Mechanical & connection
ParameterValue
Control typePush-button
Mounting modeDrawout
Mounting supportBackplate Rails
Width1016 mm
Height479 mm
Depth395 mm
Neutral pole positionRight
Connection pitch230 mm
Upside connectionRear
Downside connectionRear
48355 — Environmental
ParameterValue
Operating ambient temperature-25...70 °C
Storage ambient temperature-40...85 °C
IP degree of protectionIP30 conforming to IEC 60529
Pollution degree4 conforming to IEC 60664-1
Operating altitude0...2000 m without derating 2000 m...5000 m with derating
48355 — Approvals
ParameterValue
StandardsEN/IEC 60947-1 EN/IEC 60947-2
MPN
48355