Miniature Circuit Breaker with 6kA Protection and Multiple Poles

The JCB1-125DC represents a category of miniature circuit breakers designed to provide reliable circuit protection in various electrical distribution systems. This particular circuit breaker is engineered to deliver both short-circuit and overload protection with a breaking capacity of up to 6kA. Complying with international standard IEC 60898-1, the device ensures consistent performance and safety in residential, commercial, and industrial applications. Its design incorporates practical features that enhance both functionality and operational visibility, making it a suitable component for modern electrical installations.

A key characteristic of this circuit breaker is its impressive breaking capacity of 6kA, which enables it to effectively interrupt high-magnitude short-circuit currents. The device incorporates precise thermal-magnetic trip mechanisms that provide reliable protection against both overload conditions and short-circuit faults. The thermal element responds to sustained overcurrent situations, while the magnetic mechanism activates instantaneously during severe short-circuit events. This dual protection system ensures comprehensive safety for electrical circuits and connected equipment.

The physical design of this circuit breaker incorporates several notable features. With a modular width of 27mm per pole, it enables efficient utilization of space in distribution boards and panel installations. The inclusion of a contact position indicator provides visual confirmation of the circuit status, enhancing operational safety during maintenance procedures. These design considerations reflect attention to both installation efficiency and user convenience, contributing to the overall practicality of the device in various electrical systems.

This circuit breaker offers multiple configuration options to suit different application requirements. Available in current ratings from 63A to 125A, it accommodates various load capacities within electrical systems. The device comes in 1-pole, 2-pole, 3-pole, and 4-pole versions, providing flexibility for different circuit configurations. Additionally, the availability of B, C, and D tripping characteristics allows for precise matching to the specific requirements of different load types and applications.

This miniature circuit breaker combines robust protection capabilities with practical design features. The combination of adequate breaking capacity, multiple configuration options, and compliance with international standards makes it a reliable choice for circuit protection applications. Its design balances technical performance with user-friendly features, representing a balanced solution for electrical system protection requirements across various installation environments and load conditions.