The AIRPAX / SENSATA M39019/01-227 is a highly reliable 1-pole circuit breaker designed to protect electrical circuits from overloads and short circuits. With a magnetic trip mechanism, this circuit breaker has a current rating of 4A and a maximum voltage rating of 240VAC/50VDC. It is built to withstand demanding industrial environments and offers a compact and versatile solution for circuit protection. Whether used in commercial, industrial, or automotive applications, this circuit breaker provides reliable and efficient protection for your electrical systems.