Selection table and technical data of NS Circuit Breakers, Compact Type Compact circuit breakers, NS800N1000N1250N1600N2000N Rated insulation voltageUi800V Rated operational voltageUeAC50/60Hz690V Rated impulse voltageUimp8kV Suitability for isolationIEC 60947-2■■■■■ Number of poles3 Utilization categoryB ControlManualWith toggle■■■■■ With direct handle■■■■■ ElectricalWith remote control■■■■■ VersionsFixedFront connection■■■■■ Rear connection■■■■- WithdrawFront connection■■■■- Rear connection■■■■- Electrical characteristics as per IEC 60947-2 Rated current, AInAt 50℃8001000125016002000 Ultimate breaking capacity, Icu, kAAC50/60Hz220/240V8585858585 380/415V5050505070 440V5050505065 500/525V4040404065 660/690V3030303065 Rated service breaking capacity, Ics, kA220/240V5050505065 380/415V5050505052 440V5050505065 500/525V4040404065 660/690V3030303065 Endurance, C-O cyclesMechanical, x1000101010105 Electrical440V, x100055422 690V, x100022211 Gerin MCCB factory website:http://www.acontactor.com/molded-case-circuit-breaker/gerin-mccb/