Part Number
Part Number:
NSN:
NIIN:
Item Name:
PROTECTOR , THERMAL-OVERLOAD , ELECT
Definition:
A PROTECTIVE DEVICE SPECIFICALLY DESIGNED TO PREVENT DAMAGE TO AN ELECTRICAL MOTOR DUE TO FAILURE OF THE MOTOR TO START, SEVERE OVERLOADING OF SHORT DURATION, TOO FREQUENT STARTING, HIGH AMBIENT TEMPERATURE, HIGH OR LOW CIRCUIT VOLTAGES, FAILURE OF VENTILATION OR ANY COMBINATION THEREOF. IT IS DESIGNED TO BE EITHER AUTOMATICALLY OR MANUALLY RESET. EXCLUDES CIRCUIT BREAKEY; SWITCH (1), THERMOSTATIC; HEATER, THERMAL RELEASE; AND RELAY (1), THERMAL.
CAGE Information
| Code | Company |
|---|---|
| 12947 | MOTORS AND ARMATURES INC |
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 |
|---|---|---|
| AGAV | END ITEM IDENTIFICATION | MOTOR; STREAM (STD. TENSIONED REPLENISHMENT AT SEA METHOD) |
| FAAZ | PHASE | THREE |
| FEAT | SPECIAL FEATURES | WKIT CONTAINS 3MATCHED MOTOR-WINDING THERMOSTATS; THERMOST ATS ARE TIED IN PLACE ON THE END TURNS OF APPROPRIATE WINDING BUNDLES, ONE TO EACH PHASE OR BURIED IN THE WINDINGS DURING MOTOR REWIND; ARE CONNECTED IN SERIES BETWEEN THE STARTER COIL AND ITS POWER SUPPLY; SUPPLEMENTS CONVENTIONAL CURRENT OVERLOAD RELAYS IN MAGNETIC STARTERS, PROTECTS AGAINST BLOCKED VENTILATION, HIGH AMBIENT TEMPERATURES, SINGLE-PHASING, AND DANGEROUS RUNNING OVERLOADS; OPERATING TEMPERATURE: 140 DEGREES C |