Product Details | CIRCUIT BREAKER

5925-01-277-9591 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: HFB3040V, FD3040V, 5925-01-277-9591, 01-277-9591, 5925012779591, 012779591

Electrical and Electronic Equipment Components | Circuit Breakers

Supply Group (FSG) NSN Assign. NIIN
59 29 APR 1988 01-277-9591

Drawings & Photos | NSN 5925-01-277-9591


Demand History | NSN 5925-01-277-9591

Part Number Request Date QTY Origin
FD3040V 2022-07-202 1 DIBBS
5925-01-277-9591 2012-10-290 2 DIBBS
5925-01-277-9591 2012-09-254 1 DIBBS
5925-01-277-9591 2008-04-94 3 DIBBS
5925-01-277-9591 2007-02-51 5 DIBBS

Cross Reference | NSN 5925-01-277-9591

Part Number Cage Code Manufacturer
FD3040V 89946 EATON CORPORATION
HFB3040V 89946 EATON CORPORATION

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Technical Data | NSN 5925-01-277-9591

Characteristic Specifications
POLE QUANTITY 3
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 40.0 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 18000.0 AC 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 11B MULTIPOLE-SINGLE ACTUATOR TYPE
BODY LENGTH 6.000 INCHES NOMINAL
BODY WIDTH 4.125 INCHES NOMINAL
BODY HEIGHT 3.375 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 5.063 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 4.500 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH 1.375 INCHES NOMINAL
BOSS HEIGHT 0.125 INCHES NOMINAL
CASE MATERIAL PLASTIC
MOUNTING FACILITY TYPE AND QUANTITY 4 UNTHREADED HOLE
UNTHREADED MOUNTING HOLE DIAMETER 0.187 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 GENERAL PURPOSE
III ARC QUENCHING METHOD MAGNETIC BLOWOUT
III STORAGE TYPE GENERAL PURPOSE WAREHOUSE
III FRAGILITY FACTOR MODERATELY RUGGED

Restrictions/Controls & Freight Information | NSN 5925-01-277-9591

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 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 5925-01-277-9591

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