Part Number
Part Number:
NSN:
NIIN:
Item Name:
SWITCHING UNIT , POWER TRANSFER
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 79500 | WESTINGHOUSE ELECTRIC CORP |
Federal Supply Class
Title
ELECTRICAL CONTROL EQUIPMENT
Inclusions:
INCLUDES CONTACTORS; MOTOR CONTROLLERS; POWER SERVOMECHANISMS; SWITCHGEAR; VOLTAGE REGULATORS.
Exclusions:
EXCLUDES AUTOMATIC PILOT MECHANISMS; RELAYS; RESISTORS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABFY | OVERALL DEPTH | 10.750 INCHES NOMINAL |
| ELEC | VOLTAGE IN VOLTS | 115.0 |
| APHK | SWITCH POLE QUANTITY | 3 |
| ABMK | OVERALL WIDTH | 16.938 INCHES NOMINAL |
| APHP | MANUAL OPERATION FACILITY | PROVIDED |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | ABT-D TYPE |
| ALCD | USAGE DESIGN | FOR BUS TRANSFER |
| ACDC | CURRENT TYPE | DC |
| ALGC | MOUNTING CONFIGURATION | FOUR 7/16 IN. DIA MTG HOLES ON 11-1/2 IN. BY 18-1/4 IN. MTG CENTERS |
| ABKW | OVERALL HEIGHT | 20.375 INCHES NOMINAL |
| APHJ | SWITCH ACTION TYPE | MAGNETIC CONTACTOR |
| AFTM | SWITCH POSITION QUANTITY | 2 |
| ANPZ | INCLOSURE FEATURE | DRIPPROOF |
| APHH | SWITCH OPERATION METHOD | MAGNETIC |
| APHL | SWITCH OFF POSITION | NOT INCLUDED |
| AMPS | CURRENT RATING IN AMPS | 50.000 |