SC65-63 High Performance 3P Miniature Circuit Breaker 6-63A for Electrical Protection

The SC65-63 high breaking capacity miniature circuit breaker features advanced construction with reliable performance and elegant appearance. Made from impact-resistant, flame-retardant PA66 nylon material (UL94 V-0 rated), this 3-pole MCB offers superior protection for electrical circuits.

This circuit breaker is designed for power systems with frequency 50/60Hz, rated voltage up to 400V, and current rating up to 63A. It's particularly suitable for office buildings, residential complexes, and industrial applications where reliable circuit protection is required for lighting systems, power distribution networks, and equipment protection against overloads and short circuits.

The SC65-63 MCB complies with international standards IEC60898 and GB10963.1, ensuring global compatibility and safety. Its compact design allows for easy installation in standard distribution boards while maintaining high performance characteristics.

Key technical features include:
- 20,000 mechanical operations durability
- IP20 protection degree
- Terminal capacity for cables up to 25mm²
- Category 2 heat resistance (55°C at 95% RH)
- Available in C-curve (general purpose) and D-curve (motor protection) tripping characteristics

The current release characteristics ensure precise operation:
- 1.13In: No trip within 1 hour (cold condition)
- 1.45In: Must trip within 1 hour (hot condition)
- 2.55In: Trips between 1-60s (32A and below) or 1-120s (above 32A)
- 5In (C-curve): No trip before 0.1s
- 10In (C-curve): Must trip before 0.1s
- 10In (D-curve): No trip before 0.1s
- 14In (D-curve): Must trip before 0.1s