The Power Supply Assembly is used to provide +24 Vdc control power to Spectra RMS Molded Case Circuit Breakers with MicroVersaTrip Plus and MicroVersaTrip PM trip systems via the Distribution Cable System. The Power Supply Plate includes the Power Supply Assembly (catalog number SPSAA) as an integral component and also includes the fuse protection for the ac source input. Supplemental +24 Vdc input terminals are provided for backup control power applications. Five versions are available for various voltage ratings. Not suitable for 400 Hz. A600 Amps 350 A