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Schneider Electric LV864957 — Air Circuit Breakers

Schneider Electric LV864957

MPNLV864957
Active

Circuit breaker frame, MasterPact MTZ2 10H1b drawout for MicroLogic X, 1000A, 85kA/440VAC (Icu), 4P

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

Specifications

LV864957 — Identification
ParameterValue
Product typeCircuit breaker
Product nameMasterPact MTZ2
RangeMasterPacT
ApplicationPower distribution protection
Control unitWithout control unit
LV864957 — Electrical ratings
ParameterValue
Rated current (In)1000 A at 40 °C
Sensor rating400 A 630 A 800 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
LV864957 — Breaking & withstand capacity
ParameterValue
Rated ultimate breaking capacity (Icu)85 kA at 690 V AC 50/60 Hz 85 kA at 380/415 V AC 50/60 Hz
Rated service breaking capacity (Ics)85 kA at 690 V AC 50/60 Hz 85 kA at 380/415 V AC 50/60 Hz
Rated short-time withstand current (Icw)50 kA 3 s 85 kA 1 s
Rated short-circuit making capacity (Icm)187 kA 525 V AC at 50/60 Hz 187 kA 690 V AC at 50/60 Hz
Performance typeH1b 85 kA 415 V AC
LV864957 — Performance
ParameterValue
Breaking time, max.25 ms
Closing response time, max.70 ms
Mechanical durability (cycles)25000 cycles with periodic preventive 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
LV864957 — Mechanical & connection
ParameterValue
Control typePush-button
Mounting modeDrawout
Mounting supportRails Base plate
WidthDrawout circuit breaker with chassis: 556 mm Drawout circuit breaker without chassis: 493 mm
HeightDrawout circuit breaker with chassis: 439 mm Drawout circuit breaker without chassis: 300 mm
DepthDrawout circuit breaker with chassis: 403 mm Drawout circuit breaker without chassis: 300 mm
Neutral pole positionLeft
Connection pitch115 mm
Upside connectionFront Rear
Downside connectionFront Rear
LV864957 — Environmental
ParameterValue
Operating ambient temperature-25...70 °C
Storage ambient temperature-40...85 °C
IP degree of protectionIP30 conforming to EN 60529
Pollution degree3 conforming to IEC 60947-1
Operating altitude0...2000 m without derating 2000...5000 m with derating
LV864957 — Approvals
ParameterValue
StandardsIEC 60364-8-1 IEC 60947-2
MPN
LV864957