A-A-59194, COMMERCIAL ITEM DESCRIPTION (CID): BUS TRANSFER SWITCHES, ELECTRIC POWER, AUTOMATIC, SHIPBOARD (NON-NUCLEAR APPLICATIONS) (05-MAY-1998) [S/S BY MIL-PRF-32150 and MIL-PRF-17773]

A-A-59194, COMMERCIAL ITEM DESCRIPTION (CID): BUS TRANSFER SWITCHES, ELECTRIC POWER, AUTOMATIC, SHIPBOARD (NON-NUCLEAR APPLICATIONS) (05-MAY-1998) [S/S BY MIL-PRF-32150 and MIL-PRF-17773]., This Commercial Item Description (CID) covers alternating current (ac; 50, 60 or 400 Hz) and direct current (dc) electric power bus transfer switches, automatic, for shipboard use. Semiconductor (solid state) devices used for transfer switch control circuits and solid state (static) bus transfer switches are included.