The Hager CDC690 RCD Circuit Breaker is a DIN-rail-mounted protective device designed to detect and disconnect a circuit when a fault current of 30mA or greater is detected. It has a rated current of 125A and maximum surge current exposure of 250A. This allows it to offer optimum levels of protection against any type of electric shock, fire and/or damage to equipment. It is certified to standards IEC/EN 61008-1 that supports quick and easy installation. It includes multiple functions such as delayed tripping, adjustable time delayed tripping, adjustable sensitivity, test button, and manual reset switch, making it a versatile and reliable solution.