Siemens 6ES7407-0DA02-0AA1 Power Supply Module. The recorded exact-product description states: SIMATIC PCS 7, PS 407 4A XTR S7-400 power supply Wide range, 120/230 V UC; 5 V DC/4 A, for extended temperature range and with conformal coating. This is a legacy installed-base replacement listing for S7-300/S7-400 demand and is not represented as a current platform.