NSN 5925-00-666-4674 ETN4219, MILC1938TYPEAQB, 00-666-4674
Product Details | CIRCUIT BREAKER
5925-00-666-4674 A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see RELAY (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see RELAY-SWITCH. Excludes CIRCUIT BREAKER BOX and magneto "breaker" assemblies. See also SWITCH (as modified); and CONTROLLER.
Part Alternates: ETN4219, MILC1938TYPEAQB, 5925-00-666-4674, 00-666-4674, 5925006664674, 006664674
Electrical and Electronic Equipment Components | Circuit Breakers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1963 | 00-666-4674 | 00136 ( CIRCUIT BREAKER ) |
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Technical Data | NSN 5925-00-666-4674
| Characteristic | Specifications |
|---|---|
| POLE QUANTITY | 2 |
| MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 75.0 AMPERES AC ALL LOCATIONS |
| OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 500.0 AC ALL LOCATIONS |
| MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 15000.0 AC ALL LOCATIONS |
| CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
| TRIP RELEASE AMBIENT TEMP RATING | 50.0 DEG CELSIUS NOMINAL ALL LOCATIONS |
| TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS AND TIME DELAY ALL LOCATIONS |
| ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 1400.0 ALL LOCATIONS |
| RESET METHOD | MANUAL |
| MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| OVERALL LENGTH | 10.125 INCHES NOMINAL |
| OVERALL HEIGHT | 5.125 INCHES NOMINAL |
| OVERALL WIDTH | 6.000 INCHES NOMINAL |
| DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 8.750 INCHES NOMINAL |
| DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH | 2.000 INCHES NOMINAL |
| CASE MATERIAL | PLASTIC |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED STUD |
| MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| ACTUATOR FUNCTION | RESET |
| TERMINAL TYPE AND QUANTITY | 4 PIN |
| III ARC QUENCHING METHOD | DEION |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILC1938TYPEAQB |
Restrictions/Controls & Freight Information | NSN 5925-00-666-4674
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | P | There is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| NMF Description | 061300 | CIRCUIT BREAKER/SWITCH NOI |
| Less than car load rating | P | 77.5 |
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 658 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | H | Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |