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Circuit breaker ComPacT NSX400N, 50kA at 415VAC, MicroLogic 2.3 trip unit 400A, 3 poles 3d
Range | ComPacT new generation |
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Product name | ComPacT NSX new generation |
Device short name | NSX400N |
Product or component type | Circuit breaker |
Device application | Distribution |
Poles description | 3P |
Protected poles description | 3D |
[In] rated current | 400 A at 40 °C |
[Ue] rated operational voltage | 690 V AC 50/60 Hz |
Network type | AC |
Network frequency | 50/60 Hz |
Suitability for isolation | Yes conforming to EN/IEC 60947-2 |
Utilisation category | Category A |
[Icu] rated ultimate short-circuit breaking capacity | 85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 42 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 30 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 22 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 10 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 480 V AC 50/60 Hz conforming to UL 508 |
Performance level | N 50 kA 415 V AC |
Trip unit name | MicroLogic 2.3 |
Trip unit technology | Electronic |
Trip unit protection functions | LSoI |
Control type | Toggle |
Circuit breaker mounting mode | Fixed |
[Ui] rated insulation voltage | 800 V AC 50/60 Hz |
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[Uimp] rated impulse withstand voltage | 8 kV |
[Ics] rated service short-circuit breaking capacity | 85 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 42 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 30 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 11 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 10 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 |
Mechanical durability | 15000 cycles |
Electrical durability | 12000 cycles at 440 V In/2 6000 cycles at 440 V In 6000 cycles at 690 V In/2 3000 cycles at 690 V In |
Power dissipation per pole | 19.2 W |
Mounting support | Backplate |
Mounting position | Horizontal and vertical Flat on the back |
Upside connection | Front |
Downside connection | Front |
Connection pitch | 45 mm |
Protection type | L : for overload protection (long time) So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection |
Trip unit rating | 400 A at 40 °C |
Long-time pick-up adjustment type Ir (thermal protection) | Adjustable 9 settings |
[Ir] long-time protection pick-up adjustment range | 160…400 A |
Long-time protection delay adjustment type tr | Fixed |
[tr] long-time protection delay adjustment range | 400 s at 1.5 x Ir 16 s at 6 x Ir 11 s at 7.2 x Ir |
Thermal memory | 20 minutes before and after tripping |
Short-time protection pick-up adjustment type Isd | Adjustable 9 settings |
[Isd] Short-time protection pick-up adjustment range | 1.5...10 x Ir |
Short-time protection delay adjustment type tsd | Fixed |
Instantaneous protection pick-up adjustment type Ii | Fixed |
[Ii] instantaneous protection pick-up adjustment range | 4800 A |
Earth-leakage protection | Without |
Zone selective interlocking ZSI | Without |
Number of slots for electrical auxiliaries | 6 slot(s) |
Local signalling | Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload |
Width (W) | 140 mm |
Height (H) | 255 mm |
Depth (D) | 110 mm |
Net weight | 6.05 kg |
Standards | EN/IEC 60947-2 |
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Overvoltage category | Class II |
Electrical shock protection class | Class II |
Pollution degree | 3 conforming to IEC 60664-1 |
IP degree of protection | IP40 conforming to IEC 60529 |
IK degree of protection | IK07 conforming to IEC 62262 |
Ambient air temperature for operation | -25…70 °C |
Ambient air temperature for storage | -50…85 °C |
Relative humidity | 0…95 % |
Operating altitude | 0...2000 m without derating 2000 m...5000 m with derating |
Unit Type of Package 1 | PCE |
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Number of Units in Package 1 | 1 |
Package 1 Height | 15.0 cm |
Package 1 Width | 16.0 cm |
Package 1 Length | 29.2 cm |
Package 1 Weight | 5.618 kg |
Unit Type of Package 2 | S04 |
Number of Units in Package 2 | 2 |
Package 2 Height | 30.0 cm |
Package 2 Width | 40.0 cm |
Package 2 Length | 60.0 cm |
Package 2 Weight | 12.21 kg |