描述
This NF50-CP molded case circuit breaker (MCCB) is designed for three-phase low-voltage distribution systems. Rated at 63A with a 5kA breaking capacity at 380–440V AC, it provides reliable dual protection against overload and short-circuit faults.
The thermal-magnetic trip mechanism ensures long-time overload protection and instantaneous short-circuit tripping, effectively safeguarding electrical equipment and preventing fire hazards. This breaker is a cost-effective drop-in replacement for mainstream NF series models, with the same installation dimensions and stable performance.
Key Features
- 3P three-pole design for three-phase systems
- Rated current: 63A
- Breaking capacity: 5kA @ 380–440V AC
- Trip type: Thermal-magnetic (TMD)
- Working frequency: 50/60Hz
- Certified to IEC 60947-2 and CE standards
Applications
Ideal for small factory distribution boxes, motor control circuits, commercial building power distribution, and lighting/power mixed distribution systems.










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