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Schneider Electric 48193 — Air Circuit Breakers

Schneider Electric 48193

MPN48193
Active

circuit breaker Masterpact NW40H1 - 4000 A - 4 poles - fixed - w/o trip unit

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

Specifications

48193 — Identification
ParameterValue
Product typeCircuit breaker
Product nameMasterPact NW
RangeMasterPacT
Circuit breaker nameMasterPact NW40H1
ApplicationPower distribution protection
Control unitWithout control unit
48193 — 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
48193 — Breaking & withstand capacity
ParameterValue
Rated ultimate breaking capacity (Icu)65 kA at 220/415 V AC 50/60 Hz 65 kA at 440 V AC 50/60 Hz 65 kA at 525 V AC 50/60 Hz 65 kA at 690 V AC 50/60 Hz
Rated service breaking capacity (Ics)65 kA at 220/415 V AC 50/60 Hz 65 kA at 440 V AC 50/60 Hz 65 kA at 525 V AC 50/60 Hz 65 kA at 690 V AC 50/60 Hz
Rated short-time withstand current (Icw)65 kA 1 s 65 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 typeH1 65 kA 440 V AC
48193 — Performance
ParameterValue
Breaking time, max.25 ms
Closing response time, max.70 ms
Mechanical durability (cycles)10000 cycles without maintenance 20000 cycles with maintenance
Electrical durability (cycles)5000 cycles 440 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2 2500 cycles 690 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2 AC-23A: 5000 cycles 440 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-3 AC-23A: 2500 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 dissipation650 W
48193 — Mechanical & connection
ParameterValue
Control typePush-button
Mounting modeFixed
Mounting supportBackplate Rails
Width537 mm
Height352 mm
Depth297 mm
Neutral pole positionRight
Connection pitch150 mm
Upside connectionRear
Downside connectionRear
48193 — 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
48193 — Approvals
ParameterValue
StandardsEN/IEC 60947-1 EN/IEC 60947-2
MPN
48193