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Schneider Electric 48021 — Air Circuit Breakers

Schneider Electric 48021

MPN48021
Active

circuit breaker Masterpact NW10N1 - 1000 A - 4 poles - fixed - w/o trip unit

$5,036.62Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026

Specifications

48021 — Identification
ParameterValue
Product typeCircuit breaker
Product nameMasterPact NW
RangeMasterPacT
Circuit breaker nameMasterPact NW10N1
ApplicationPower distribution protection
Control unitWithout control unit
48021 — Electrical ratings
ParameterValue
Rated current (In)1000 A at 40 °C
Sensor rating400 A 1000 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
48021 — 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)143 kA 220/415 V AC at 50/60 Hz 143 kA 440 V AC at 50/60 Hz 143 kA 525 V AC at 50/60 Hz 143 kA 690 V AC at 50/60 Hz
Performance typeN1 42 kA 440 V AC
48021 — Performance
ParameterValue
Breaking time, max.25 ms
Closing response time, max.70 ms
Mechanical durability (cycles)12500 cycles without maintenance 25000 cycles with maintenance
Electrical durability (cycles)10000 cycles 440 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2 10000 cycles 690 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2
Selectivity categoryCategory B
Power dissipation100 W
48021 — Mechanical & connection
ParameterValue
Control typePush-button
Mounting modeFixed
Mounting supportBackplate Rails
Width537 mm
Height352 mm
Depth297 mm
Neutral pole positionLeft
Connection pitch115 mm
Upside connectionFront Rear
Downside connectionFront Rear
48021 — 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
48021 — Approvals
ParameterValue
StandardsEN/IEC 60947-1 EN/IEC 60947-2
MPN
48021