Description
Description of Chint Miniature Circuit Breaker NXB 63 C63 Amp Double pole
The NXB-63 Miniature Circuit Breaker (MCB) provides reliable protection against overload and short-circuit faults in low-voltage electrical systems. Designed for residential, commercial, and light industrial use, it features high breaking capacity (up to 10kA) and precise thermal-magnetic tripping characteristics (B, C, D curves). With compact dimensions, a long mechanical lifespan, and compliance with IEC/EN60898-1, the NXB-63 MCB ensures safe and stable performance for power distribution networks.
Key Features:
- Double Pole (2P) Protection: Simultaneously disconnects both live and neutral lines for enhanced safety
- 63 Amp Rating (C Curve): Ideal for moderate to heavy load applications such as air conditioners and power circuits
- Reliable Circuit Protection: Protects against overload and short-circuit faults to prevent damage
- High Breaking Capacity: Supports up to 6kA short-circuit breaking capacity for dependable performance
- Thermal-Magnetic Tripping: Ensures fast and accurate response to electrical faults
- Durable Design: Long mechanical and electrical life for continuous operation
- DIN Rail Mounting: Easy installation in standard distribution boards
Technical Specifications:
- Brand: Chint
- Model: NXB-63
- Rated Current: 63A
- Poles: Double Pole (2P)
- Tripping Curve: C Curve
- Rated Voltage: 220V–415V
- Frequency: 50/60 Hz
- Breaking Capacity: 6kA – 10kA (model dependent)
- Standard Compliance: IEC/EN 60898-1
Applications:
- Residential distribution boards
- Office and commercial electrical systems
- Industrial control panels
- Heavy appliances and power circuits






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