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Schneider Electric 48056 — Air Circuit Breakers

Schneider Electric 48056

MPN48056
Active

Circuit breaker frame, MasterPact NW20N1, 2000A, 42kA/440VAC 50/60Hz (Icu), 3 poles, fixed, without control unit

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

Specifications

48056 — Identification
ParameterValue
Product typeCircuit breaker
Product nameMasterPact NW
RangeMasterPacT
Circuit breaker nameMasterPact NW20N
ApplicationPower distribution protection
Control unitWithout control unit
48056 — Electrical ratings
ParameterValue
Rated current (In)2000 A at 40 °C
Sensor rating1000 A 2000 A
Rated operational voltage (Ue)690 V AC 50/60 Hz
Poles3P
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
48056 — Breaking & withstand capacity
ParameterValue
Rated ultimate breaking capacity (Icu)42 kA at 220/415 V AC 50/60 Hz 42 kA at 440 V AC 50/60 Hz 42 kA at 525 V AC 50/60 Hz 42 kA at 690 V AC 50/60 Hz
Rated service breaking capacity (Ics)42 kA at 220/415 V AC 50/60 Hz 42 kA at 440 V AC 50/60 Hz 42 kA at 525 V AC 50/60 Hz 42 kA at 690 V AC 50/60 Hz
Rated short-time withstand current (Icw)42 kA 1 s 22 kA 3 s
Rated short-circuit making capacity (Icm)88 kA 220/415 V AC at 50/60 Hz 88 kA 440 V AC at 50/60 Hz 88 kA 525 V AC at 50/60 Hz 88 kA 690 V AC at 50/60 Hz
Performance typeN1 42 kA 440 V AC
48056 — Performance
ParameterValue
Breaking time, max.25 ms
Closing response time, max.70 ms
Mechanical durability (cycles)10000 cycles 20000 cycles
Electrical durability (cycles)6000 cycles 690 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2 8000 cycles 440 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2
Selectivity categoryCategory B
48056 — Mechanical & connection
ParameterValue
Control typePush-button
Mounting modeFixed
Mounting supportBackplate Rails
Width422 mm
Height352 mm
Depth297 mm
Connection pitch115 mm
Upside connectionFront Rear
Downside connectionFront Rear
48056 — 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
48056 — Approvals
ParameterValue
StandardsEN/IEC 60947-1 EN/IEC 60947-2
MPN
48056