NSN 5925-01-012-7866 AP12R19181, AP12R-1918-1, 21318501
Product Details | CIRCUIT BREAKER
5925-01-012-7866 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: AP12R19181, AP12R-1918-1, 21318501, 2131850-1, 5925-01-012-7866, 01-012-7866, 5925010127866, 010127866
Electrical and Electronic Equipment Components | Circuit Breakers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 18 NOV 1975 | 01-012-7866 | 00136 ( CIRCUIT BREAKER ) |
Drawings & Photos | NSN 5925-01-012-7866
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Technical Data | NSN 5925-01-012-7866
| Characteristic | Specifications |
|---|---|
| POLE QUANTITY | 2 |
| MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 500.0 MILLIAMPERES DC FIRST LOCATION 6.0 AMPERES DC SECOND LOCATION |
| OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 50.0 DC ALL LOCATIONS |
| MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 500.0 DC ALL LOCATIONS |
| CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| TRIP RELEASE METHOD | MAGNETIC ALL LOCATIONS |
| INTERNAL TRIP RELEASE CONFIGURATION | SERIES TRIP ALL LOCATIONS |
| TRIP RELEASE CHARACTERISTIC | TIME DELAY ALL LOCATIONS |
| TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | 0.070 MINIMUM AT 200 PCT AND 0.700 MAXIMUM AT 200 PCT ALL LOCATIONS |
| ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 115.0 ALL LOCATIONS |
| RESET METHOD | MANUAL |
| MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| BODY STYLE | 1B MULTIPOLE-SINGLE ACTUATOR TYPE |
| BUSHING LENGTH | 0.380 INCHES MAXIMUM |
| BODY LENGTH | 1.500 INCHES MAXIMUM |
| BODY WIDTH | 1.250 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 0.875 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 0.625 INCHES NOMINAL |
| MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.780 INCHES MAXIMUM |
| CASE MATERIAL | METAL |
| MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED BUSHING W/PANEL SEAL |
| THREAD SERIES DESIGNATOR | UNEF |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| ACTUATOR FUNCTION | TRIP-RESET |
| ACTUATOR POSITION DESIGNATION | BETWEEN POLE ONE AND TWO |
| TERMINAL TYPE AND QUANTITY | 4 WIRE HOOK |
| AUXILIARY SWITCH FUNCTION AND QUANTITY | 1 ALARM |
| SWITCH LOCATION AND POSITION DESIGNATION | INTERNAL AT POLE ONE |
| SWITCH CONTACT ARRANGEMENT | SINGLE POLE, DOUBLE THROW |
| SWITCH CURRENT RATING AND TYPE IN AMPS | 0.5 AC AND 0.5 DC |
| SWITCH VOLTAGE RATING AND TYPE IN VOLTS | 120.0 AC AND 50.0 DC |
| SWITCH TERMINAL TYPE | TAB, SOLDER LUG |
| INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | HERMETICALLY SEALED AND SHOCKPROOF AND VIBRATIONPROOF |
| III ARC QUENCHING METHOD | MAGNETIC BLOWOUT |
| III NONTURN DEVICE LOCATION | AT 3 OCLOCK AND AT 9 OCLOCK |
| III NONTURN DEVICE RADIUS | 0.620 INCHES MINIMUM AND |
Restrictions/Controls & Freight Information | NSN 5925-01-012-7866
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| 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. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 061300 | CIRCUIT BREAKER/SWITCH NOI |
| Less than car load rating | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 658 | unknown |
| Originating Activity Code | TX | Defense Supply Center Columbus Columbus, OH 43218 |
| 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 |