The SIEMENS WMM31225 POWMOD WMM 225A 3G 1PH IN/OUT is a circuit breaker designed for industrial electrical applications. With a maximum amperage of 225A and a 3G 1PH in/out capability, this model from Siemens is reliable and efficient in handling heavy electrical loads. The product includes one unit in the pack, making it ideal for specific circuit breaker needs in various industrial settings.