NSN 5925-00-491-2363 JA1B310502, JA1-B3-10-50-2, JA1SB3A102

Product Details | CIRCUIT BREAKER

5925-00-491-2363 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: JA1B310502, JA1-B3-10-50-2, JA1SB3A102, JA1S-B3-A-10-2, 4300-00064, 51MC22610, 51MC2-26-10, 5925-00-491-2363, 00-491-2363, 5925004912363, 430000064, 004912363

Electrical and Electronic Equipment Components | Circuit Breakers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
59	23 SEP 1970	00-491-2363	00136 ( CIRCUIT BREAKER )

Drawings & Photos | NSN 5925-00-491-2363

Part Number	Request Date	QTY	Origin
IEG1-1-52-10.0-91-V	2021-11-319	14	DIBBS
IEG1-1-52-10.0-91-V	2021-05-138	1	DIBBS
IEG1-1-52-10.0-91-V	2021-04-105	2	DIBBS
IEG1-1-52-10.0-91-V	2021-03-75	1	DIBBS
5925-00-491-2363	2017-03-81	2	DIBBS
5925-00-491-2363	2017-03-81	3	DIBBS
5925-00-491-2363	2017-03-64	2	DIBBS
5925-00-491-2363	2017-03-64	3	DIBBS
5925-00-491-2363	2017-02-43	2	DIBBS
5925-00-491-2363	2017-02-38	3	DIBBS
51MC22610	2009-05-151	2	US

Cross Reference | NSN 5925-00-491-2363

Part Number	Cage Code	Manufacturer
4300-00064	63544	ENGINE MONITOR INC. DBA E M I
51MC2-26-10	21269	ESSEX ELECTRO ENGINEERS, INC.
51MC2-26-10	82647	SENSATA TECHNOLOGIES, INC DIV SENSATA ATTLEBORO
JA1-B3-10-50-2	74193	EATON CORP HEINEMANN PRODUCTS
JA1S-B3-A-10-2	74193	EATON CORP HEINEMANN PRODUCTS

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Related Products | NSN 5925-00-491-2363

5925-00-491-2686, 5925-00-491-3180, 5925-00-491-4573, 5925-00-491-4574, 5925-00-491-4810

Technical Data | NSN 5925-00-491-2363

Characteristic	Specifications
POLE QUANTITY	1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	400.0 MILLIAMPERES DC SINGLE LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	50.0 DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1000.0 DC SINGLE LOCATION
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.900 MINIMUM AT 200 PCT AND 12.000 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 SINGLE LOCATION
RESET METHOD	MANUAL
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
BODY STYLE	12A SINGLE POLE TYPE
BODY LENGTH	1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM
BODY WIDTH	0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.555 INCHES MINIMUM AND 1.565 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	1.655 INCHES MINIMUM AND 1.665 INCHES MAXIMUM
BOSS HEIGHT	0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE	1.875 INCHES MINIMUM AND 1.885 INCHES MAXIMUM
CASE MATERIAL	PLASTIC
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD SIZE	0.138 INCHES
THREAD QUANTITY PER INCH	32
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
TERMINAL TYPE AND QUANTITY	2 THREADED STUD
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	DUSTPROOF
III ARC QUENCHING METHOD	MAGNETIC BLOWOUT
III STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
III FRAGILITY FACTOR	MODERATELY RUGGED

Restrictions/Controls & Freight Information | NSN 5925-00-491-2363

Restrictions
Freight

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:	U	Precious 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	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

Management | NSN 5925-00-491-2363

Air Force
Navy

Category	Code	Description
Budget Code	9	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 Code	EH	SX:ELECTRONIC COMPONENTS
Price Validation	N	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 Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	J	NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

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	J	NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each