Schneider Electric C10F44V040 NSX100F Circuit Breaker 36kA/415VAC 4P 4.2 40A

The Schneider Electric C10F44V040 is a 4-pole differential circuit breaker from the ComPacT NSX new generation range (NSX100F), rated 40 A at 40 °C with a performance level of 36 kA at 415 V AC. It is designed for AC power distribution applications and is fitted with the Micrologic 4.2 electronic protection unit providing overload, short-time short-circuit, instantaneous, and earth-leakage protection (LSoIR function).

• Rated current [In]: 40 A at 40 °C
• Rated voltage [Ue]: 440 V AC, 50/60 Hz
• Poles: 4P; protected-pole configurations: 4d, 3d+N/2, or 3d; neutral conductor position: left
• Ultimate breaking capacity [Icu] per IEC 60947-2: 85 kA at 220/240 V AC; 36 kA at 380/415 V AC; 35 kA at 440 V AC; 25 kA at 500 V AC; 8 kA at 660/690 V AC
• Service breaking capacity [Ics] per IEC 60947-2: 85 kA at 220/240 V AC; 36 kA at 380/415 V AC; 12 kA at 500 V AC; 4 kA at 660/690 V AC
• Protection unit: Micrologic 4.2 electronic — L (long-time overload), So (short-time short-circuit with fixed delay), I (instantaneous short-circuit), R (earth-leakage / differential)
• Earth-leakage sensitivity [IΔn]: Adjustable — 30 mA, 100 mA, 300 mA, 500 mA, 1 A, 3 A, or 5 A; Class A; earth-leakage can be switched off via IΔn reversing switch
• Long-time pick-up [Ir]: Adjustable across 9 settings, 18–40 A; long-time delay 400 s at 1.5×Ir, 16 s at 6×Ir, 11 s at 7.2×Ir
• Short-time pick-up [Isd]: Adjustable 1.5–10×Ir; fixed at 600 A; short-time delay integrated
• Thermal memory: 20 minutes before and after tripping
• Rated insulation voltage [Ui]: 500 V AC; rated impulse withstand voltage [Uimp]: 8 kV
• Mechanical endurance: 50,000 cycles; electrical endurance: 50,000 cycles at 440 V In/2; 30,000 cycles at 440 V In; 10,000 cycles at 690 V In
• Mounting: Fixed; front upper and lower connections; back-plate mounting bracket; handle mountable horizontally, vertically, or flat on the back
• Utilisation category: Category A; suitable for isolation per EN/IEC 60947-2