PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-C-375/18Circuit Breaker

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5925-01-128-4369 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-128-4369 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-128-4369. Primary manufacturer part number: W-C-375/18.
Features
  • Circuit Breaker — FSC 5925
  • Manual Actuator Type and Quantity: 1 TOGGLE
  • Frequency in Hertz: 60.0 ALL LOCATIONS
  • Actuator Function: TRIP-RESET
  • Inclosure Protection Type for Which Designed: FUNGUS RESISTANT
  • Reset Method: MANUAL
  • Material: PLASTIC CASE
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 ALL LOCATIONS
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-128-4369, is classified within Federal Supply Class 5925 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-128-4369
Primary Part NumberW-C-375/18
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Manual Actuator Type and Quantity1 TOGGLE
Frequency in Hertz60.0 ALL LOCATIONS
Actuator FunctionTRIP-RESET
Inclosure Protection Type for Which DesignedFUNGUS RESISTANT
Reset MethodMANUAL
MaterialPLASTIC CASE
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Trip Delay Time in Seconds Per Rated Continuous Current240.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Trip Release Ambient Temp Rating40.0 CELSIUS NOMINAL ALL LOCATIONS DEGC
Operating Voltage Type and Rating Per Pole in Volts480.0 AC ALL LOCATIONS
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps14000.0 AC ALL LOCATIONS
Body Width4.125 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Distance Between Centerlines of Mounting Facilities Parallel to Body Width1.375 INCHES NOMINAL IN
Center to Center Distance Between Terminals Parallel to Length5.375 INCHES NOMINAL IN
Boss Height0.125 INCHES NOMINAL IN
Center to Center Distance Between Terminals Parallel to Width1.375 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL IN
Pole Quantity3
Distance Between Centerlines of Mounting Facilities Parallel to Body Length4.500 INCHES NOMINAL IN
Terminal Type and Quantity6 COMPRESSION
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Actuator Position DesignationAT POLE TWO
Test Data Document81348-W-C-375 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Body Length6.000 INCHES NOMINAL IN
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
Main Contact Tripping Mechanism TypeTRIP FREE
Maximum Continuous Load Current Rating Per Pole35.0 AMPERES AC ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5925-00-211-1900 INTERCHANGEABLE
Circuit Breaker
5925-00-232-2840 INTERCHANGEABLE
Circuit Breaker
5925-00-236-9000 INTERCHANGEABLE
Circuit Breaker
5925-00-433-1966 INTERCHANGEABLE
Circuit Breaker
5925-00-443-4047 INTERCHANGEABLE
Circuit Breaker
5925-00-481-2093 INTERCHANGEABLE
Circuit Breaker
5925-01-096-4663 INTERCHANGEABLE
Circuit Breaker
5925-01-096-4664 INTERCHANGEABLE
Circuit Breaker
5925-01-096-4697 INTERCHANGEABLE
Circuit Breaker
5925-01-259-4726 INTERCHANGEABLE
Circuit Breaker
Cross-Reference Index
Part NumberManufacturer
W-C-375/18 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WC375/18-006 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5925-00-211-1900INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-232-2840INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-236-9000INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-433-1966INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-443-4047INTERCHANGEABLE
CIRCUIT BREAKER
5925-00-481-2093INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-096-4663INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-096-4664INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-096-4697INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-259-4726INTERCHANGEABLE
CIRCUIT BREAKER
5925-01-292-3301INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 5925-01-128-4369?

NSN 5925-01-128-4369 is a Circuit Breaker, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-128-4369?

NSN 5925-01-128-4369 has 2 cross-referenced part numbers: W-C-375/18 (Federal Specifications Promulgated by General Services Administration Washington DC), WC375/18-006 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5925-01-128-4369?

There are 11 known substitutes for 5925-01-128-4369: 5925-00-211-1900, 5925-00-232-2840, 5925-00-236-9000 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-C-375/18?

Key specifications for W-C-375/18: Manual Actuator Type and Quantity: 1 TOGGLE; Frequency in Hertz: 60.0 ALL LOCATIONS; Actuator Function: TRIP-RESET; Inclosure Protection Type for Which Designed: FUNGUS RESISTANT. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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