Schneider C25N4 Circuit Breaker Basic Frame

The C25N4 Schneider is a ComPacT NSX250N circuit breaker basic frame designed to support flexible protection in low-voltage distribution systems. Rated for 250 A and supporting 4-pole configurations, it offers a breaking capacity of 50 kA at 415 VAC, making it suitable for standard fault-level applications.

Delivered without a trip unit, this frame allows integration with a range of compatible Micrologic and thermal-magnetic protection modules, enabling tailored setups for varied installation needs.

Fully compliant with IEC 60947-2 standards, the C25N4 ensures safe, scalable circuit protection in industrial and commercial environments.

Technical Specifications

• Model: C25N4
• Type: Circuit Breaker Basic Frame (without trip unit)
• Brand: Schneider Electric
• Range: ComPacT NSX New Generation

Power & Performance

• Rated Current: 250 A at 40°C
• Poles: 4P (Four Poles)
• Neutral Position: Left
• Breaking Capacity (Icu): 50 kA at 380/415V AC 50/60Hz (IEC 60947-2)
• Rated Operational Voltage (Ue): 690V AC 50/60Hz (IEC 60947-2)
• Network Type: AC
• Network Frequency: 50/60 Hz
• Utilization Category: Category A
• Rated Insulation Voltage (Ui): 800V AC 50/60Hz (IEC 60947-2)
• Rated Impulse Withstand Voltage (Uimp): 8 kV (IEC 60947-2)

Rated Service Short-Circuit Breaking Capacity (Ics):

• 50 kA at 380/415V AC
• 50 kA at 440V AC
• 36 kA at 500V AC
• 35 kA at 525V AC
• 90 kA at 220/240V AC
• 10 kA at 660/690V AC

Build & Design

• Mounting Mode: Fixed
• Control Type: Toggle
• Suitability for Isolation: Yes (EN/IEC 60947-2)
• Standards Compliance: IEC 60947-2, UL 60947-4-1
• Visible Break: No
• Contact Position Indicator: No
• Protection Type: Without Protection

C25N4 Physical Specifications

• Gross Weight: 2.104 kg

Dimensions:

• Height: 161 mm
• Width: 140 mm
• Depth: 86 mm
• Connection Pitch: 35 mm

Additional Options & Features

• Mechanical Durability: 20,000 cycles (IEC 60947-2)
• Electrical Durability:
  • 5,000 cycles at 690V AC (In)
  • 10,000 cycles at 440V AC (In)
  • 20,000 cycles at 440V AC (In/2)
  • 10,000 cycles at 690V AC (In/2)
• Mounting Support: Backplate
• Upside & Downside Connection: Front

Compliance & Standards

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

Environmental Impact

• Carbon Footprint: 255 kg CO₂-eq (Total Life Cycle)
• Recycled Metal Content: 0%

Key Features & Benefits

✅ Flexible Design: Delivered without trip unit, allowing compatibility with a wide range of Schneider Electric trip units (sold separately).

✅ High Mechanical Durability: Rated for 20,000 mechanical operations ensuring long-term reliability.

✅ Compact & Space-Saving: Optimized size for installation in standard and demanding electrical distribution environments.

✅ Reliable Performance: 50kA breaking capacity at 415V AC for high fault-level installations.

✅ Part of EcoStruxure Power: Fully compatible with Schneider Electric’s EcoStruxure Power architecture for digital monitoring and control.

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For expert advice on C25N4 Schneider Circuit Breaker Basic Frame compatibility, or to design your distribution system, contact Drive Outlet Megastore.

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