Schneider C40N4 ComPacT NSX400N Trip Unit 4P

The Schneider Electric C40N4 is the ComPacT NSX400N 4-pole MCCB basic frame, supplied without a protection unit. Rated 400A at 40°C and 690V AC, it delivers an ultimate breaking capacity of 50 kA at 380/415V AC, designed for industrial power distribution applications.

Technical specifications:

• Commercial reference: C40N4
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX New Generation
• Device designation: NSX400N
• Product type: Basic frame, without protection unit
• Number of poles: 4P
• Neutral conductor position: Left
• Rated current [In]: 400A at 40°C
• Rated voltage [Ue]: 690V AC 50/60 Hz (IEC 60947-2)
• Network type: AC, 50/60 Hz
• Performance level: N - 50 kA at 415V AC
• Ultimate breaking capacity [Icu]: 85 kA at 220/240V AC, 50 kA at 380/415V AC, 42 kA at 440V AC, 30 kA at 500V AC, 22 kA at 525V AC, 10 kA at 660/690V AC (IEC 60947-2)
• Service breaking capacity [Ics]: 85 kA at 220/240V AC, 50 kA at 380/415V AC, 42 kA at 440V AC, 30 kA at 500V AC, 11 kA at 525V AC, 10 kA at 660/690V AC (IEC 60947-2)
• Rated insulation voltage [Ui]: 800V AC (IEC 60947-2)
• Rated impulse withstand voltage [Uimp]: 8 kV (IEC 60947-2)
• Usage category: Category A
• Control type: Handle
• Mounting: Fixed, rear plate
• Connection terminals: Front (top and bottom), 45 mm
• Mechanical endurance: 15,000 cycles (IEC 60947-2)
• Dimensions (WxHxD): 185 x 255 x 110 mm
• Weight: 5.818 kg
• IP rating: IP40 (IEC 60529)
• IK rating: IK07 (IEC 62262)
• Pollution degree: 3 (IEC 60664-1)
• Operating temperature: -25 to 70°C
• Storage temperature: -50 to 85°C
• Standards: EN/IEC 60947-2, UL 60947-4-1

Features and benefits:

• Frame-only design enables flexible trip unit selection from the ComPacT NSX new generation range
• High ultimate breaking capacity up to 85 kA at 220/240V AC for demanding industrial fault levels
• Wide rated voltage up to 690V AC covers standard industrial network voltages
• Robust electrical isolation with 800V AC insulation voltage and 8 kV impulse withstand voltage
• Halogen-free plastic parts support environmental and regulatory compliance

Applications:

• Main and sub-distribution switchboards in industrial and commercial electrical installations
• Power distribution assemblies where the protection unit is specified and ordered separately
• Industrial installations with high short-circuit current requirements up to 50 kA at 415V AC

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 C40N4, Schneider Electric C40N4, NSX400N MCCB frame, ComPacT NSX 400A chassis.