Circuit breaker, ComPacT NSX400H, 70kA/415VAC, 4 poles, MicroLogic 2.3 trip unit 250A

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This ComPacT NSX400H is a complete 4P 4d fixed circuit breaker designed to optimize space and breaking capacity. It is an optimal choice for all standard and specific applications. The breaking capacity (Icu) is 70kA rms at 415VAC 50/60Hz. The operational voltage is 690VAC 50/60Hz. This product embeds an electronic MicroLogic 2.3 trip unit, with 250A rating. MicroLogic 2.3 trip unit provides adjustable long time and short time protections, and a fixed instantaneous protection. This 4 poles version (185mm x 255mm x 110mm) comes with a variety of optional functions and accessories. It is compliant with international standards (IEC 60947), CCC, EAC and marine specifications. ComPacT NSX400H is part of Schneider Electric EcoStruxure Power architecture.

Product Details

Activity PPCCB
[ics] Rated Service Breaking Capacity 100 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
[ui] Rated Insulation Voltage 800 V AC 50/60 Hz
[uimp] Rated Impulse Withstand Voltage 8 kV
Ambient Air Temperature for Operation -25-70 °C
Ambient Air Temperature for Storage -50-85 °C
Breaking Capacity Code H 70 kA 415 V AC
Compatibility Code NSX400
Connection Pitch 45 mm
Control Type toggle
Depth 110 mm
Device Application distribution
Device Short Name NSX400H
Electrical Durability 12000 cycles at 440 V In/2
Height 255 mm
Ik Degree of Protection IK07 conforming to IEC 62262
Ip Degree of Protection IP40 conforming to IEC 60529
Long Time Delay Adjustment Type fixed
Mechanical Durability 15000 cycles
Mounting Mode fixed
Mounting Support backplate
Net Weight 7.9 kg
Network Frequency 50/60 Hz
Network Type AC
Number of Slots 6 slot(s)
Overvoltage Category class II
Product Certifications CCC
Product Name ComPacT NSX new generation
Product or Component Type circuit breaker
Protection Type L : for overload protection (long time)
Range ComPacT new generation
Standards EN/IEC 60947
Width 185 mm
[tr] Long-time Delay Adjustment Range 400-400 s at 1.5 x Ir
Instantaneous Pick-up Adjustment Range 3000 A
Instantaneous Pick-up Adjustment Type Ii fixed
Long Time Pick-up Adjustment Range 70...250 A
Long Time Pick-up Adjustment Type Ir adjustable 9 settings
[isd] Short-time Pick-up Adjustment Range 1.5...10 x Ir
Downside Connection front
Earth-leakage Protection without
Electrical Shock Protection Class class II
Local Signalling flashing LED (green) for ready to operate
Mounting Position horizontal and vertical
Neutral Position left
Neutral Protection Setting 0.5 x Ir (3D + N/2)
Operating Altitude 0...2000 m without derating
Power Dissipation Per Pole 7.5 W
Short-time Delay Adjustment Type fixed
Short-time Pick-up Adjustment Type Isd adjustable 9 settings
Upside Connection front
Poles Description 4P
[in] Rated Current 250 A at 40 °C
[ue] Rated Operational Voltage 690 V AC 50/60 Hz
Breaking Capacity 100 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
Pollution Degree 3 conforming to IEC 60664-1
Protected Poles Description 4D
Relative Humidity 0-95 %
Suitability For Isolation yes conforming to EN/IEC 60947-2
Thermal Memory 20 minutes before and after tripping
Trip Unit Name Micrologic 2.3
Trip Unit Protection Functions LSoI
Trip Unit Rating 250-250 A at 40 °C
Trip Unit Technology electronic
Utilisation Category category A
Zone Selective Interlocking Zsi without

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