National Item Identification Number
01-423-0739
014230739
6110-01-423-0739
6110014230739
National Stock Number
Item Name
SWITCHING UNIT,POWER TRANSFER
Federal Supply Class
6110
Description
An item that is electrically operated to transfer automatically the load from one power source to an alternate power source. May have provisions for emergency manual operation. For manually operated power transfer units, see SWITCH, BOX.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
ABT-4A1S-50D
DOD-S-17773
Required Categories
VOLTAGE IN VOLTS
FREQUENCY RATING
PHASE
CURRENT RATING IN AMPS
SPEC/STD CONT
Required Description
450.0
60.0 HERTZ NOMINAL
THREE
50.0
81349
ABT-4A1S-50D
81349
DOD-S-17773