This is a circuit breaker designed to provide overcurrent protection in electrical circuits. It features a magnetic mechanism with hydraulic delay, allowing it to detect and respond to faults more accurately. This device has a rating of 10 amps and can handle alternating current (AC) up to 277 volts or direct current (DC) up to 80 volts. The lever-style design makes it easy to mount on a panel for convenient use in various applications.