PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EB3025Circuit Breaker

Eaton Corporation Dba Eaton Inoac · NSN 5925-00-491-6536 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-491-6536 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-491-6536. Primary manufacturer part number: EB3025.
Features
  • Circuit Breaker — FSC 5925
  • Body Length: 6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN
  • Body Height: 3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
  • Trip Delay Time in Seconds Per Rated Continuous Current: 28.000 MINIMUM AT 200 PCT AND 75.000 MAXIMUM AT 200 PCT ALL LOCATIONS
  • Main Contact Tripping Mechanism Type: TRIP FREE
  • Center to Center Distance Between Terminals Parallel to Width: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 ALL LOCATIONS
  • Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 10000.0 AC AND 5000.0 DC ALL LOCATIONS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-491-6536, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5925-00-491-6536
Primary Part NumberEB3025
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerEaton Corporation Dba Eaton Inoac
StatusCANCELLED
Body Length6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN
Body Height3.375 INCHES NOMINAL3.375 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
Main Contact Tripping Mechanism TypeTRIP FREE
Center to Center Distance Between Terminals Parallel to Width1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps10000.0 AC AND 5000.0 DC ALL LOCATIONS
Actuator Position DesignationAT POLE TWO
Distance Between Centerlines of Mounting Facilities Parallel to Body Length4.500 INCHES NOMINAL4.500 INCHES NOMINAL IN
Manual Actuator Type and Quantity1 TOGGLE
Inclosure Protection Type for Which DesignedDUSTPROOF AND GENERAL PURPOSE
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Reset MethodMANUAL
Center to Center Distance Between Terminals Parallel to Length5.062 INCHES NOMINAL5.062 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S)
Trip Release MethodTHERMAL-MAGNETIC ALL LOCATIONS
Special Handling FeatureMAGNETICMAGNETIC
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Actuator FunctionTRIP-RESET
Operating Voltage Type and Rating Per Pole in Volts240.0 AC AND 250.0 DC ALL LOCATIONS
Arc Quenching MethodMAGNETIC BLOWOUTMAGNETIC BLOWOUT
Trip Release Ambient Temp Rating40.0 CELSIUS NOMINAL ALL LOCATIONS DEGC
Pole Quantity33
Distance Between Centerlines of Mounting Facilities Parallel to Body Width1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
Storage TypeGENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE
Boss Height0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
Fragility FactorMODERATELY RUGGEDMODERATELY RUGGED
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN
Maximum Continuous Load Current Rating Per Pole25.0 AMPERES AC AND 25.0 AMPERES DC ALL LOCATIONS
Frequency in Hertz60.0 ALL LOCATIONS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5905-00-807-7494 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-935-7895EB3025 INTERCHANGEABLE
Resistor,fixed,composition
Rockwell Automation, Inc. Dba Rockwell Automation
Cross-Reference Index
Part NumberManufacturer
999024 Westinghouse Electric Corp (USA)
EB3025 PRIMARY Eaton Corporation Dba Eaton Inoac (USA)
4990D03G36 Eaton Corporation Dba Eaton Inoac (USA)
Related Parts
5905-00-807-7494INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-935-7895INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
EB3025

Frequently Asked Questions

What is NSN 5925-00-491-6536?

NSN 5925-00-491-6536 is a Circuit Breaker, manufactured by Eaton Corporation Dba Eaton Inoac, classified under FSC 5925 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5925-00-491-6536?

NSN 5925-00-491-6536 has 3 cross-referenced part numbers: 999024 (Westinghouse Electric Corp), EB3025 (Eaton Corporation Dba Eaton Inoac), 4990D03G36 (Eaton Corporation Dba Eaton Inoac).

What NSN replaces 5925-00-491-6536?

There are 2 known substitutes for 5925-00-491-6536: 5905-00-807-7494, 5905-00-935-7895. Verify interchangeability with system specifications before substitution.

What are the specifications of EB3025?

Key specifications for EB3025: Body Length: 6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN; Body Height: 3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN; Trip Delay Time in Seconds Per Rated Continuous Current: 28.000 MINIMUM AT 200 PCT AND 75.000 MAXIMUM AT 200 PCT ALL LOCATIONS; Main Contact Tripping Mechanism Type: TRIP FREE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5925-00-491-6536 still in active supply?

NSN 5925-00-491-6536 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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