Circuit breaker, ComPacT NSX400N, 50kA/415VAC, 3 poles, MicroLogic 1.3M trip unit 320A
The ComPacT NSX400N is a complete 3P 3d fixed circuit breaker designed to optimize space and ensure high breaking capacity. It is an excellent choice for motor protection applications.
It offers a breaking capacity (Icu) of 50kA rms at 415VAC (50/60Hz) and supports operational voltages up to 690VAC (50/60Hz). This model comes equipped with a MicroLogic 1.3M electronic trip unit, rated at 320A, providing adjustable short-time protection and fixed instantaneous protection.
This compact 3-pole version (140mm x 255mm x 110mm) supports a wide range of optional functions and accessories. Fully compliant with IEC 60947, CCC, EAC, and marine standards, the ComPacT NSX400N integrates seamlessly into Schneider Electric EcoStruxure Power architecture.
Specifications
Main
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Range: ComPacT
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Product name: ComPacT NSX
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Device short name: NSX400N
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Product type: Circuit breaker
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Application: Motor protection
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Poles: 3P (Protected poles: 3D)
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Rated current [In]: 320 A at 65 °C
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Rated operational voltage [Ue]: 690 V AC (50/60 Hz)
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Network type: AC
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Utilisation category: Category A
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Suitability for isolation: Yes (IEC 60947-2)
Breaking Capacity
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85 kA at 220/240 V AC
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50 kA at 380/415 V AC
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42 kA at 440 V AC
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30 kA at 500 V AC
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22 kA at 525 V AC
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10 kA at 660/690 V AC
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UL Standard: 85 kA (240 V AC), 50 kA (480 V AC), 20 kA (600 V AC)
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Breaking capacity code: N (50 kA at 415 V AC)
Trip Unit
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Type: MicroLogic 1.3M (Electronic)
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Functions: Short-time (S), Instantaneous (I)
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Rating: 320 A at 65 °C
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Short-time adjustment (Isd): 1600–4160 A (9 settings)
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Instantaneous pick-up (Ii): 4800 A
Durability
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Mechanical durability: 15,000 cycles
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Electrical durability:
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12,000 cycles at 440 V In/2
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6,000 cycles at 440 V In
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6,000 cycles at 690 V In/2
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3,000 cycles at 690 V In
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Dimensions & Mounting
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Width (W): 140 mm
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Height (H): 255 mm
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Depth (D): 110 mm
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Weight: 6.05 kg
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Mounting support: Backplate
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Connection: Front (upside & downside)
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Connection pitch: 45 mm
Environmental
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Standards: IEC 60947-2
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IP Protection: IP40
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IK Protection: IK07
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Operating temperature: -25…70 °C
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Storage temperature: -50…85 °C
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Humidity: 0–95%
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Altitude: 0–2000 m (without derating), up to 5000 m (with derating)
Packing Information
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Package 1 (PCE): 1 unit – 15.2 x 15.5 x 29.2 cm, 5.59 kg
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Package 2 (S04): 2 units – 30 x 40 x 60 cm, 11.76 kg
Contact Us
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