The PHOENIX CONTACT part 1020044 is a thermomagnetic device circuit breaker designed with 1 position. It features a screw connection method and can accommodate a cross section range of 1 mm² to 35 mm², making it compatible with various wire sizes (AWG 18 to 2). With a compact width of 17.6 mm, it can be easily mounted on a DIN rail with a standard 35 mm width. The circuit breaker is finished in a stylish gray color.