Siemens 6ES7407-0KR02-0AA0 Power Supply Module. The recorded exact-product description states: SIMATIC S7-400, Power supply PS407; 10 A, wide range, UC 120/230V, 5 V DC/10 A, for redundant use. This is a legacy installed-base replacement listing for S7-300/S7-400 demand and is not represented as a current platform.