NSN 5925-00-938-3447 ET74417ETN2732, ET7445, ETN2732ET74417
Product Details | CIRCUIT BREAKER
5925-00-938-3447 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: ET74417ETN2732, ET7445, ETN2732ET74417, ETN2754ANDETN2732, 5925-00-938-3447, 00-938-3447, 5925009383447, 009383447
Electrical and Electronic Equipment Components | Circuit Breakers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 15 MAR 1967 | 00-938-3447 | 00136 ( CIRCUIT BREAKER ) |
Drawings & Photos | NSN 5925-00-938-3447
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Technical Data | NSN 5925-00-938-3447
| Characteristic | Specifications |
|---|---|
| POLE QUANTITY | 3 |
| MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 100.0 AMPERES AC AND 100.0 AMPERES DC ALL LOCATIONS |
| OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 500.0 AC AND 250.0 DC ALL LOCATIONS |
| FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS |
| MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | 15000.0 AC AND 10000.0 DC ALL LOCATIONS |
| CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| TRIP RELEASE METHOD | THERMAL-MAGNETIC ALL LOCATIONS |
| TRIP RELEASE AMBIENT TEMP RATING | 50.0 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 | 1D RECTANGULAR DIMENSIONAL ENVELOPE |
| OVERALL LENGTH | 6.500 INCHES NOMINAL |
| OVERALL HEIGHT | 4.125 INCHES NOMINAL |
| OVERALL WIDTH | 4.875 INCHES NOMINAL |
| CASE MATERIAL | PLASTIC |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 THREADED HOLE |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| 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 AND MOISTURE RESISTANT AND SHOCK RESISTANT |
| FEATURES PROVIDED | ADJUSTABLE TRIP RELEASE |
| ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS | 600.0 TO 1300.0 AC ALL LOCATIONS |
| SPECIAL FEATURES | ENT2732 IS A FACTORY INSTALLED SHUNT TRIP UNIT WITH AUXILIARY SWITCH; RATED VOLTAGE 120 VDC; RATED CURRENT 100 AMPS |
| III ARC QUENCHING METHOD | MAGNETIC BLOWOUT |
| III STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| III PRECIOUS MATERIAL | SILVER |
| III PRECIOUS MATERIAL AND LOCATION | MAIN CONTACTS SILVER |
| III FRAGILITY FACTOR | MODERATELY RUGGED |
Restrictions/Controls & Freight Information | NSN 5925-00-938-3447
| 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: | S | Item contains silver |
| 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 | HD | Naval Inventory Control Point Mechanicsburg, PA 17055-0788 |
| 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 |
Management | NSN 5925-00-938-3447
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |