The PHOENIX CONTACT part TMC 81C 20A is a thermomagnetic device circuit breaker designed for reliable and efficient electrical circuit protection. With a compact width of 17.6 mm, this circuit breaker can easily fit into tight spaces. It offers one position for installation, making it ideal for various applications. The mounting type is DIN rail: 35 mm, ensuring secure and robust mounting. The circuit breaker comes in an attractive grey color, adding a professional and sleek look to any electrical setup. With its exceptional performance and quality construction, the PHOENIX CONTACT part TMC 81C 20A is a top choice for ensuring the safety and functionality of your electrical systems.