The Chint K63N miniature circuit breaker delivers reliable overcurrent protection for three-phase electrical systems operating at 220V. With a 40A rating and 4.5kA interrupting capacity, this device safeguards your installation against faults and surges. The integrated NEMA 3R enclosure provides robust environmental protection, making it suitable for both indoor and outdoor applications. Engineered for durability and precision, this circuit breaker ensures consistent performance in demanding industrial and commercial settings. Trust Chint's proven expertise in electrical protection technology.