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 |
|---|---|
| 81349 | MILITARY SPECIFICATIONS PROMULGATED |
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 |
|---|---|---|
| ABMK | OVERALL WIDTH | 17.313 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 17.313 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 22.000 INCHES NOMINAL |
| APHK | SWITCH POLE QUANTITY | 3 |
| ABFY | OVERALL DEPTH | 9.250 INCHES NOMINAL |
| APHP | MANUAL OPERATION FACILITY | PROVIDED |
| FAAZ | PHASE | THREE |
| APHJ | SWITCH ACTION TYPE | MAGNETIC CONTACTOR |
| AFTM | SWITCH POSITION QUANTITY | 2 |
| ANPZ | INCLOSURE FEATURE | DRIPPROOF |
| ACZB | FREQUENCY RATING | 60.0 HERTZ NOMINAL |
| APHH | SWITCH OPERATION METHOD | MAGNETIC |
| ELEC | VOLTAGE IN VOLTS | 450.0 |
| AMPS | CURRENT RATING IN AMPS | 100.0 |
| APHL | SWITCH OFF POSITION | NOT INCLUDED |
| ALGC | MOUNTING CONFIGURATION | SIX 13/32 IN. DIA MTG HOLES ON 7 IN. BY 7-5/8 IN. BY 19-1/8 IN. MTG CENTERS |
| ACDC | CURRENT TYPE | AC |