Schneider C40F4 Circuit Breaker Basic Frame, ComPact NSX400F 4P 400A

The Schneider Electric C40F4 is a 4-pole circuit breaker basic frame from the ComPact NSX new generation range, rated at 400A and 690V AC with a 36 kA breaking capacity at 415V AC. Designed for electrical power distribution, this frame is supplied without a protective unit, allowing flexible configuration with compatible trip units. It supports AC networks at 50/60 Hz and is suitable for isolation per EN/IEC 60947-2.

Technical specifications:

• Commercial reference: C40F4
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPact NSX new generation
• Device short name: NSX400F
• Product type: Basic frame (without protective unit)
• Number of poles: 4P
• Neutral conductor position: Left
• Rated current [In]: 400A at 40°C
• Rated voltage [Ue]: 690V AC 50/60 Hz per IEC 60947-2
• Rated insulation voltage [Ui]: 800V AC 50/60 Hz per IEC 60947-2
• Rated impulse withstand voltage [Uimp]: 8 kV per IEC 60947-2
• Network type: AC
• Network frequency: 50/60 Hz
• Ultimate breaking capacity [Icu]: 36 kA at 380/415V AC, 40 kA at 220/240V AC, 25 kA at 500V AC, 10 kA at 660/690V AC per IEC 60947-2
• Service breaking capacity [Ics]: 36 kA at 380/415V AC per IEC 60947-2
• Performance level: F - 36 kA at 415V AC
• Usage category: Category A
• Control type: Handle
• Mounting method: Fixed
• Mounting support: Back plate
• Connection: Upper - front, Lower - front, 45 mm
• Protection type: None (frame only)
• Mechanical endurance: 15,000 cycles per IEC 60947-2
• Electrical endurance: 6,000 cycles at 440V AC In per IEC 60947-2
• Dimensions (WxHxD): 185 x 255 x 110 mm
• Weight: 5.776 kg
• IP rating: IP40 per IEC 60529
• IK rating: IK07 per IEC 62262
• Operating temperature: -25...70°C
• Storage temperature: -50...85°C
• Pollution degree: 3 per IEC 60664-1
• Standards: EN/IEC 60947-2, UL 60947-4-1

Features and benefits:

• Basic frame without protective unit enables flexible pairing with a wide range of compatible trip units for customised protection.
• High breaking capacity of 36 kA at 415V AC suits demanding industrial and commercial distribution applications.
• Wide operating temperature range of -25 to 70°C ensures reliable performance in harsh environments.
• IP40 and IK07 ratings provide protection against dust ingress and mechanical impact.
• Halogen-free plastics and RoHS-compliant construction support environmental and safety requirements.

Applications:

• Main and sub-main distribution boards in commercial and industrial installations.
• Power distribution panels requiring high breaking capacity at low-voltage levels.
• Industrial switchgear assemblies where a configurable frame with a separate trip unit is needed.
• Motor control centres and large load feeder circuits up to 400A.

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 C40F4, Schneider Electric C40F4, NSX400F basic frame, ComPact NSX 400A circuit breaker frame.