The GC ELECTRONICS 30-1200 is a miniature push button circuit breaker designed for applications requiring compact and reliable overcurrent protection. It features a manual or auto reset function, allowing for quick recovery after a tripped condition. With a standard rating of 3-20 Amps and dielectric strength of 1500 VAC, this circuit breaker provides robust protection for various electrical circuits. It's commonly used in industrial control panels, power distribution systems, and other applications where space is limited and reliable circuit protection is essential. The breaker's calibration ensures consistent performance across a range of operating temperatures, contributing to the overall safety and efficiency of the electrical system.