Siemens 6EP1437-2BA20 SITOP PSU300S is a stabilized 24 V DC power supply rated for 40 A, designed to accept a 3-phase input of 400–500 V AC and deliver a regulated 24 V output. As a member of the SITOP PSU300S family, it converts a 400–500 V three-phase supply to 24 V DC at up to 40 A. The part number 6EP1437-2BA20 identifies this specific model.
