Schneider C63N3 ComPacT NSX630N Trip Unit 3P

The Schneider Electric C63N3 is a 3-pole ComPacT NSX630N circuit breaker chassis frame rated at 630 A, designed for AC power distribution applications. Supplied without a protective trip unit, it delivers a performance level N breaking capacity of 50 kA at 415 V AC, suitable for high fault-current industrial switchgear. The frame accepts compatible Schneider protection units to match specific application requirements per EN/IEC 60947-2.

Technical specifications:

• Commercial reference: C63N3
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX new generation
• Product type: Circuit breaker chassis frame (without trip unit)
• Application: Power distribution
• Number of poles: 3P
• Rated current [In]: 630 A at 40°C
• Rated voltage [Ue]: 690 V AC 50/60 Hz (IEC 60947-2)
• Network type: AC, 50/60 Hz
• Performance level: N - 50 kA at 415 V AC
• Ultimate breaking capacity [Icu]: 85 kA at 220/240 V AC; 50 kA at 380/415 V AC; 42 kA at 440 V AC; 10 kA at 660/690 V AC (IEC 60947-2)
• Rated insulation voltage [Ui]: 800 V AC (IEC 60947-2)
• Rated impulse withstand voltage [Uimp]: 8 kV (IEC 60947-2)
• Usage category: Category A
• Mechanical endurance: 15,000 cycles (IEC 60947-2)
• Mounting: Fixed, rear plate
• IP protection: IP40 (IEC 60529)
• IK protection: IK07 (IEC 62262)
• Pollution degree: 3 (IEC 60664-1)
• Operating temperature: -25...70°C
• Dimensions (W x H x D): 140 x 255 x 110 mm
• Weight: 4.554 kg
• Standards: EN/IEC 60947-2, UL 60947-4-1

Features and benefits:

• Chassis frame without trip unit, enabling selection of the appropriate protection module for each application
• High breaking capacity at performance level N: 50 kA at 415 V AC for reliable fault interruption
• Suitable for isolation per EN/IEC 60947-2, supporting safe maintenance and de-energisation procedures
• Wide operating temperature range of -25 to 70°C for demanding industrial environments
• IP40 and IK07 rated for protection against dust ingress and mechanical impact

Applications:

• Main and sub-distribution switchboards in industrial facilities requiring high breaking capacity
• Power distribution panels in commercial buildings, utilities, and manufacturing plants
• Medium and large-scale switchgear assemblies where the protection unit is specified separately

Compliant with EN/IEC 60947-2 and UL 60947-4-1. Part of the Schneider Electric ComPacT NSX new generation range.

Also known as: Schneider C63N3, Schneider Electric C63N3, NSX630N chassis frame, ComPacT NSX 630 A frame.