Schneider C40F3 Circuit Breaker Basic Frame

The C40F3 Schneider is a ComPacT NSX400F molded case circuit breaker (MCCB) designed for high-performance protection in low-voltage power distribution systems. Specifically engineered for integration with MicroLogic trip units, this breaker supports 3-pole configurations and is rated for 400 A at 40 °C.

It offers a fixed frame without an integrated trip unit, allowing for customizable protection solutions tailored to specific applications. The breaker features a high breaking capacity of 36 kA at 380/415 V AC, ensuring robust performance under fault conditions. Compliant with IEC 60947-2 standards, it guarantees reliable operation in industrial and commercial environments.

Technical Specifications

• Model: C40F3
• Type: Circuit Breaker Basic Frame (Without Trip Unit)
• Brand: Schneider Electric
• Range: ComPacT NSX New Generation

Power & Performance

• Rated Current: 400 A at 40°C
• Poles: 3P (Three Poles)
• Breaking Capacity: 36 kA at 415V AC
• Operational Voltage: 690V AC 50/60Hz (Limited to 440V AC with Earth-Leakage Protection)
• Performance Level: F – 36 kA at 415V AC
• Trip Unit: Not Included (Compatible with all NSX Trip Units – sold separately)

Protection Functions

• Protection Type: No trip unit installed – customizable with your chosen NSX trip unit
• Standards Compliance: IEC 60947-2, UL 60947-4-1

Build & Design

• Mounting Mode: Fixed
• Control Type: Toggle
• Utilization Category: Category A
• Suitability for Isolation: Yes (EN/IEC 60947-2)

C40F3 Physical Specifications

• Gross Weight: 4.417 kg
• Net Weight: 4.0 kg (Approx.)

Dimensions:

• Height: 255 mm
• Width: 140 mm
• Depth: 110 mm
• Connection Pitch: 45 mm

Additional Options & Features

• Mechanical Durability: 15,000 cycles
• Electrical Durability: Up to 12,000 cycles at 440V AC / 3,000 cycles at 690V AC
• Mounting Support: Backplate
• Mounting Position: Horizontal, Vertical, or Flat on the Back
• Upside & Downside Connection: Front Access
• Impulse Withstand Voltage: 8 kV
• Insulation Voltage: 800V AC
• Operating Temperature: -25°C to 70°C
• Storage Temperature: -50°C to 85°C

Compliance & Standards

• Certifications: IEC 60947-2, UL 60947-4-1, EAC, CCC, Marine Compliant
• IP Protection: IP40 (IEC 60529)
• Shock Protection Class: Class II
• IK Protection: IK07 (IEC 62262)
• Overvoltage Category: Class II
• Pollution Degree: 3 (IEC 60664-1)

Environmental Impact:

• Carbon Footprint: 270 kg CO₂-eq (Total Life Cycle)
• Recycled Metal Content: 0%

Key Features & Benefits

✅ Flexible Trip Unit Compatibility: Install any NSX trip unit to suit your protection needs.

✅ Compact & Space-Saving: Designed for industrial and commercial applications where space efficiency matters.

✅ Robust Performance: High breaking capacity of 36 kA at 415V AC.

✅ Mechanical Strength: Durable with up to 15,000 mechanical cycles.

✅ Ease of Installation: Simple fixed mounting with front-accessible terminals.

✅ Global Standards Compliance: Fully certified for industrial and marine applications.

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