NSN 5925-01-278-7968 KB3090, 01-278-7968, 012787968
Product Details | CIRCUIT BREAKER
5925-01-278-7968 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: KB3090, 5925-01-278-7968, 01-278-7968, 5925012787968, 012787968
Electrical and Electronic Equipment Components | Circuit Breakers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 10 MAY 1988 | 01-278-7968 | 00136 ( CIRCUIT BREAKER ) |
Drawings & Photos | NSN 5925-01-278-7968
Cross Reference | NSN 5925-01-278-7968
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| KB3090 | 89946 | EATON CORPORATION |
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Technical Data | NSN 5925-01-278-7968
| Characteristic | Specifications |
|---|---|
| POLE QUANTITY | 3 |
| MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 90.0 AMPERES AC ALL LOCATIONS |
| OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 600.0 AC ALL LOCATIONS |
| FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS |
| MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 900.0 AC ALL LOCATIONS |
| CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| TRIP RELEASE METHOD | THERMAL-MAGNETIC ALL LOCATIONS |
| TRIP RELEASE AMBIENT TEMP RATING | 40.0 DEG CELSIUS NOMINAL ALL LOCATIONS |
| TRIP RELEASE CHARACTERISTIC | INSTANTANEOUS ALL LOCATIONS |
| ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 ALL LOCATIONS |
| RESET METHOD | MANUAL |
| MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| BODY STYLE | 11B MULTIPOLE-SINGLE ACTUATOR TYPE |
| BODY LENGTH | 10.000 INCHES NOMINAL |
| BODY WIDTH | 4.125 INCHES NOMINAL |
| BODY HEIGHT | 4.062 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | 8.375 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | 1.375 INCHES NOMINAL |
| DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 7.940 INCHES NOMINAL |
| DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH | 1.375 INCHES NOMINAL |
| BOSS HEIGHT | 0.187 INCHES NOMINAL |
| CASE MATERIAL | PLASTIC |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.281 INCHES NOMINAL |
| MANUAL ACTUATOR TYPE AND QUANTITY | 1 TOGGLE |
| ACTUATOR FUNCTION | TRIP-RESET |
| ACTUATOR POSITION DESIGNATION | AT POLE TWO |
| TERMINAL TYPE AND QUANTITY | 6 COMPRESSION |
| INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | FUNGUS RESISTANT |
| FEATURES PROVIDED | ADJUSTABLE TRIP RELEASE |
| ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS | 450.0 TO 900.0 AC ALL LOCATIONS |
| MANUFACTURERS CODE | 89946 |
| DESIGN CONTROL REFERENCE | KB3090 |
Restrictions/Controls & Freight Information | NSN 5925-01-278-7968
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| 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 |
|---|---|---|
| No Freight Information | ||