PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EHD3035Circuit Breaker

Eaton Corporation Dba Eaton Inoac · NSN 5925-00-491-8921 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-491-8921 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-491-8921. Primary manufacturer part number: EHD3035.
Features
  • Circuit Breaker — FSC 5925
  • Body Height: 3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
  • Material: PLASTIC CASE
  • Frequency in Hertz: 60.0 ALL LOCATIONS
  • Center to Center Distance Between Terminals Parallel to Width: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
  • Arc Quenching Method: MAGNETIC BLOWOUTMAGNETIC BLOWOUT
  • Fragility Factor: MODERATELY RUGGEDMODERATELY RUGGED
  • Main Contact Tripping Mechanism Type: TRIP FREE
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-491-8921, 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 Eaton Corporation Dba Eaton Inoac. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-00-491-8921
Primary Part NumberEHD3035
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerEaton Corporation Dba Eaton Inoac
StatusACTIVE
Body Height3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
MaterialPLASTIC CASE
Frequency in Hertz60.0 ALL LOCATIONS
Center to Center Distance Between Terminals Parallel to Width1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
Arc Quenching MethodMAGNETIC BLOWOUTMAGNETIC BLOWOUT
Fragility FactorMODERATELY RUGGEDMODERATELY RUGGED
Main Contact Tripping Mechanism TypeTRIP FREE
Special Handling FeatureMAGNETICMAGNETIC
Storage TypeGENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE
Reset MethodMANUAL
Actuator Position DesignationAT POLE TWO
Operating Voltage Type and Rating Per Pole in Volts240.0 AC AND 250.0 DC ALL LOCATIONS
Unpackaged Unit Weight4.500 POUNDS NOMINAL LBS
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Distance Between Centerlines of Mounting Facilities Parallel to Body Width1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Manual Actuator Type and Quantity1 TOGGLE
Actuator FunctionTRIP-RESET
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Distance Between Centerlines of Mounting Facilities Parallel to Body Length4.750 INCHES NOMINAL4.750 INCHES NOMINAL IN
Maximum Continuous Load Current Rating Per Pole35.0 AMPERES AC AND 35.0 AMPERES DC ALL LOCATIONS
Inclosure Protection Type for Which DesignedFUNGUS RESISTANT AND DUSTPROOF
Boss Height0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
Trip Release Ambient Temp Rating40.0 CELSIUS NOMINAL ALL LOCATIONS DEGC
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps10000.0 AC AND 5000.0 DC ALL LOCATIONS
Center to Center Distance Between Terminals Parallel to Length5.062 INCHES NOMINAL5.062 INCHES NOMINAL IN
Trip Delay Time in Seconds Per Rated Continuous Current28.000 MINIMUM AT 200 PCT AND 75.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPEMULTIPOLE-SINGLE ACTUATOR TYPE
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-825-8116EB3035 INTERCHANGEABLE
Resistor,fixed,composition
Rockwell Automation, Inc. Dba Rockwell Automation
5905-00-909-4156 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-935-8542 INTERCHANGEABLE
Resistor,fixed,composition
Cross-Reference Index
Part NumberManufacturer
EB3035 Eaton Corporation Dba Eaton Inoac (USA)
6638C90G08 Eaton Corporation Dba Eaton Inoac (USA)
EHD3035 PRIMARY Eaton Corporation Dba Eaton Inoac (USA)
EB3035 Westinghouse Electric Corp Control Business Unit
4990D03G38 Eaton Corporation Dba Eaton Inoac (USA)
Related Parts
5905-00-825-8116INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
EB3035
5905-00-909-4156INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-935-8542INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION

Frequently Asked Questions

What is NSN 5925-00-491-8921?

NSN 5925-00-491-8921 is a Circuit Breaker, manufactured by Eaton Corporation Dba Eaton Inoac, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-00-491-8921?

NSN 5925-00-491-8921 has 5 cross-referenced part numbers: EB3035 (Eaton Corporation Dba Eaton Inoac), 6638C90G08 (Eaton Corporation Dba Eaton Inoac), EHD3035 (Eaton Corporation Dba Eaton Inoac), EB3035 (Westinghouse Electric Corp Control Business Unit), 4990D03G38 (Eaton Corporation Dba Eaton Inoac).

What NSN replaces 5925-00-491-8921?

There are 3 known substitutes for 5925-00-491-8921: 5905-00-825-8116, 5905-00-909-4156, 5905-00-935-8542. Verify interchangeability with system specifications before substitution.

What are the specifications of EHD3035?

Key specifications for EHD3035: Body Height: 3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN; Material: PLASTIC CASE; Frequency in Hertz: 60.0 ALL LOCATIONS; Center to Center Distance Between Terminals Parallel to Width: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN. 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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