The ABB SU203M-K63 is a high-quality thermal magnetic circuit breaker designed for industrial applications. With its miniature size and 3-pole configuration, this breaker provides reliable protection for electrical circuits. It has a rated current of 63A and can handle a maximum short circuit current of 10 kA. The K curve characteristic ensures optimal performance in demanding environments. As part of the System Pro M Compact SU200M series, this DIN rail mountable breaker offers convenient installation and maintenance. It also meets the safety standards set by UL489, guaranteeing the utmost protection for your electrical system.