Product Details | CIRCUIT BREAKER

5925-00-851-2849 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: MS2198450, MS21984-50, MILC5809, MIL-C-5809, 5925-00-851-2849, 00-851-2849, 5925008512849, 008512849

Electrical and Electronic Equipment Components | Circuit Breakers

Supply Group (FSG) NSN Assign. NIIN
59 01 JAN 1963 00-851-2849

Drawings & Photos | NSN 5925-00-851-2849


Demand History | NSN 5925-00-851-2849

Part Number Request Date QTY Origin
5925-00-851-2849 2015-04-92 17 DIBBS
5925-00-851-2849 2014-11-307 19 DIBBS
5925-00-851-2849 2014-10-294 19 DIBBS
MIL-C-5809 2011-06-155 1 Saudi Arabia
5925-00-851-2849 2009-12-338 14 DIBBS
5925-00-851-2849 2009-09-244 3 DIBBS
5925-00-851-2849 2009-07-211 17 DIBBS
5925-00-851-2849 2008-12-337 17 DIBBS
5925-00-851-2849 2008-10-304 1 DIBBS
5925-00-851-2849 2008-08-229 1 DIBBS

Cross Reference | NSN 5925-00-851-2849

Part Number Cage Code Manufacturer
MIL-C-5809 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MS21984-50 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5925-00-851-2849

Characteristic Specifications
POLE QUANTITY 3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 50.0 AMPERES AC AND 50.0 AMPERES DC ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 115.0 AC AND 28.0 DC ALL LOCATIONS
FREQUENCY IN HERTZ 400.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 1.500 AC AND 2.500 DC ALL LOCATIONS
CIRCUIT PROTECTION TYPE OVERCURRENT ALL LOCATIONS
TRIP RELEASE METHOD THERMAL ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION SERIES TRIP ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING 25.0 DEG CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC TIME DELAY ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT 10.000 MINIMUM AT 200 PCT AND 70.000 MAXIMUM AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 138.0 ALL LOCATIONS
RESET METHOD MANUAL
MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
BODY STYLE 4B MULTIPOLE-SINGLE ACTUATOR TYPE
BUSHING LENGTH 0.250 INCHES NOMINAL
BODY LENGTH 2.250 INCHES MAXIMUM
BODY WIDTH 2.203 INCHES MAXIMUM
BODY HEIGHT 2.125 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 1.187 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH 1.486 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH 1.486 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH 1.812 INCHES NOMINAL
CASE MATERIAL METAL
MOUNTING FACILITY TYPE AND QUANTITY 4 THREADED HOLE
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD SIZE 0.138 INCHES
THREAD QUANTITY PER INCH 32
MANUAL ACTUATOR TYPE AND QUANTITY 1 PUSH-PULL
ACTUATOR FUNCTION TRIP-RESET
ACTUATOR POSITION DESIGNATION AT POLE ONE
TERMINAL TYPE AND QUANTITY 6 TAB W/SCREW
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED EXPLOSION RESISTANT AND MOISTURE RESISTANT
TEST DATA DOCUMENT 81349-MIL-C-5809 SPECIFICATION
SPECIFICATION/STANDARD DATA 96906-MS21984 GOVERNMENT STANDARD
III STORAGE TYPE GENERAL PURPOSE WAREHOUSE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-C-5809

Restrictions/Controls & Freight Information | NSN 5925-00-851-2849

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere 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:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
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 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

Management | NSN 5925-00-851-2849

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Materiel Management Aggregation CodeEHSX:ELECTRONIC COMPONENTS
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Echelon Identification CodeBConsumable Repair Parts
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each