The PHOENIX CONTACT part 1019972 is a Thermomagnetic device circuit breaker with a single position. It features a screw connection method and is designed for use with wire cross sections ranging from 1 mm² to 35 mm² (AWG 18-2). The width of the device is 17.6 mm and it is designed to be mounted on a 35 mm DIN rail. This circuit breaker comes in a sleek gray color, making it a versatile and functional addition to any industrial setup.