Product Details | CIRCUIT BREAKER

5925-00-950-6551 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: Q1370, Q1-370, Q1370H, Q1-370H, W-C-375/4, W-C-375/4-001, WC3754, WC3754001, 142129, 142-12-9, 2130147G1, 5925-00-950-6551, 00-950-6551, 5925009506551, 009506551

Electrical and Electronic Equipment Components | Circuit Breakers

Supply Group (FSG) NSN Assign. NIIN
59 18 MAY 1966 00-950-6551

Drawings & Photos | NSN 5925-00-950-6551


Cross Reference | NSN 5925-00-950-6551

Part Number Cage Code Manufacturer
142-12-9 25549 LITTON SYSTEMS INC AMECOM DIV
142-12-9 92755 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA LAND & SELF PROTECTION SYSTEM
2130147G1 28528 ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS
Q1-370 14799 SCHNEIDER ELECTRIC USA, INC. DBA SCHNEIDER ELECTRIC
Q1-370 99454 WOLVERINE TUBE INC. DBA MICRO COOL WOLVERINE TUBE
Q1-370H 56365 SCHNEIDER ELECTRIC USA, INC. DBA SCHNEIDER ELECTRIC
Q1370 56303 SCHNEIDER ELECTRIC USA, INC.
W-C-375/4 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
W-C-375/4-001 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5925-00-950-6551

Characteristic Specifications
POLE QUANTITY 3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 70.0 AMPERES AC ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 240.0 AC ALL LOCATIONS
FREQUENCY IN HERTZ 60.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 10000.0 AC 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 40.0 DEG CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC TIME DELAY ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT 6.000 MAXIMUM AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 135.0 ALL LOCATIONS
RESET METHOD MANUAL
MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
BODY STYLE 20B MULTIPOLE-SINGLE ACTUATOR TYPE
BODY LENGTH 5.050 INCHES MINIMUM AND 6.050 INCHES MAXIMUM
BODY WIDTH 2.230 INCHES NOMINAL
BODY HEIGHT 2.650 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH 0.780 INCHES NOMINAL
BOSS HEIGHT 0.220 INCHES NOMINAL
CASE MATERIAL PLASTIC
MOUNTING FACILITY TYPE AND QUANTITY 6 TERMINAL
MANUAL ACTUATOR TYPE AND QUANTITY 1 TOGGLE
ACTUATOR FUNCTION TRIP-RESET
ACTUATOR POSITION DESIGNATION AT POLE TWO
TERMINAL TYPE AND QUANTITY 3 CLIP AND 3 COMPRESSION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED CORROSION RESISTANT
TEST DATA DOCUMENT 81348-W-C-375 SPECIFICATION
SPECIFICATION/STANDARD DATA 81348-W-C-375/4 GOVERNMENT SPECIFICATION
III STORAGE TYPE GENERAL PURPOSE WAREHOUSE
III SPECIAL HANDLING FEATURE MAGNETIC
III FRAGILITY FACTOR MODERATELY RUGGED
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE W-C-375/4
MANUFACTURERS CODE 81348
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE W-C-375/4-001

Restrictions/Controls & Freight Information | NSN 5925-00-950-6551

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:AItem 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 CL U.S. Army Communications-Electronics
Fort Monmouth, NJ 07703-5006
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 5925-00-950-6551

Category Code Description
Materiel Category and Inventory ManagerQ Electronics Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment3 INSURANCE ITEMS. This code will identify items for which there may be occasional intermittent demands not sufficiently repetitive to warrant classification as regular stock items, but for which prudence requires that nominalquan tity be stocked for the reason that the essentiality of the item and the long lead time required to obtain such items by purchase would create an unacceptable situation if no stock were carried.
Specific Group/Generic CodeT Other Electronics Equipment
Weapons Systems/End Item or Homogeneous GroupTPOther Cmds' Systems
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
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 CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each