The PHOENIX CONTACT TMC 72C 20A is a thermomagnetic device circuit breaker with 2 positions and a screw connection method. It has a wide cross section range of 1 mm² to 35 mm² (AWG: 18-2), making it versatile for various electrical applications. The device has a width of 35.3 mm and is mounted on a standard DIN rail (35 mm) for easy installation. Its gray color adds a sleek and modern touch to any electrical setup.