Schneider C40N44V400 ComPacT NSX Accessory

The Schneider Electric C40N44V400 is a 4-pole residual current circuit breaker from the ComPacT NSX new generation range, rated 400 A at 40°C. Equipped with the MicroLogic Vigi 4.3 electronic protection unit, it delivers integrated LSoIR protection functions and a rated ultimate breaking capacity of 50 kA at 380/415 V AC per IEC 60947-2.

Technical specifications:

• Commercial reference: C40N44V400
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX new generation
• Product type: Residual current circuit breaker
• Number of poles: 4P
• Rated current [In]: 400 A at 40°C
• Rated voltage [Ue]: 440 V AC 50/60 Hz
• Network type: AC, 50/60 Hz
• Rated ultimate breaking capacity [Icu]: 85 kA at 220/240 V AC; 50 kA at 380/415 V AC; 42 kA at 440 V AC (IEC 60947-2)
• Performance level: N - 50 kA at 415 V AC
• Protection unit: MicroLogic 4.3, electronic, LSoIR functions
• Long-time pick-up [Ir]: Adjustable, 160...400 A (9 settings)
• Short-time pick-up [Isd]: Adjustable, 1.5...10 x Ir
• Instantaneous protection [Ii]: Fixed, 4800 A
• Earth-leakage sensitivity [In]: Adjustable - 300 mA, 500 mA, 1 A, 3 A, 5 A, 10 A
• Earth-leakage protection class: Class A
• Earth-leakage time delay [t]: Adjustable - 0 ms, 60 ms, 150 ms, 500 ms, 1 s
• Rated insulation voltage [Ui]: 500 V AC
• Rated impulse withstand voltage [Uimp]: 8 kV
• Circuit breaker mounting: Fixed, back plate
• IP protection rating: IP40 per IEC 60529
• IK protection rating: IK07 per IEC 62262
• Operating temperature: -25...70°C
• Dimensions (W x H x D): 185 x 255 x 110 mm
• Weight: 7.9 kg
• Standard: EN/IEC 60947-2

Features and benefits:

• Integrated Class A earth-leakage protection with adjustable sensitivity from 300 mA to 10 A
• Selectable earth-leakage time delay from 0 to 1 second for selective coordination with downstream devices
• 6 slots available for electrical auxiliaries
• Local LED indication for device ready status (green flashing), overload at 90% Ir (orange), and overload at 105% Ir (red)
• Mechanical endurance of 15,000 cycles; electrical endurance of 12,000 cycles at 440 V In/2

Applications:

• Industrial power distribution boards requiring integrated earth-leakage protection
• Commercial and industrial switchgear assemblies up to 400 A
• Installations requiring selective residual current coordination across protection levels

Compliant with EN/IEC 60947-2. Part of the Schneider Electric ComPacT NSX new generation range.

Also known as: Schneider C40N44V400, Schneider Electric C40N44V400, NSX400N Vigi 4.3 circuit breaker, ComPacT NSX 400 A earth-leakage circuit breaker.