PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AM12Circuit Breaker

Eaton Corp Heinemann Products Commercial Controls Div · NSN 5925-00-283-6501 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-283-6501 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-283-6501. Primary manufacturer part number: AM12.
Features
  • Circuit Breaker — FSC 5925
  • Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION
  • Maximum Continuous Load Current Rating Per Pole: 20.0 AMPERES AC SINGLE LOCATION
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 2000.0 AC SINGLE LOCATION
  • Terminal Type and Quantity: 2 THREADED STUD
  • Reset Method: MANUAL
  • Manual Actuator Type and Quantity: 1 TOGGLE
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-283-6501, 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 Corp Heinemann Products Commercial Controls Div. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-00-283-6501
Primary Part NumberAM12
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerEaton Corp Heinemann Products Commercial Controls Div
StatusACTIVE
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Maximum Continuous Load Current Rating Per Pole20.0 AMPERES AC SINGLE LOCATION
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps2000.0 AC SINGLE LOCATION
Terminal Type and Quantity2 THREADED STUD
Reset MethodMANUAL
Manual Actuator Type and Quantity1 TOGGLE
Actuator Position DesignationAT POLE ONE
MaterialPLASTIC CASE
Fragility FactorMODERATELY RUGGED
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 SINGLE LOCATION
Mounting Surface to Terminal End Distance2.611 INCHES NOMINAL IN
Boss Height0.140 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Length2.062 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Pole Quantity1
Thread Quantity Per Inch32
Storage TypeGENERAL PURPOSE WAREHOUSE
Special Handling FeatureMAGNETIC
Arc Quenching MethodMAGNETIC BLOWOUT
Center to Center Distance Between Terminals Parallel to Length1.938 INCHES NOMINAL IN
Body Length2.500 INCHES NOMINAL IN
Body Width0.750 INCHES NOMINAL IN
Operating Voltage Type and Rating Per Pole in Volts125.0 AC SINGLE LOCATION
Trip Delay Time in Seconds Per Rated Continuous Current3.800 MINIMUM AT 200 PCT AND 10.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Trip Release MethodMAGNETIC-HYDRAULIC SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Main Contact Tripping Mechanism TypeTRIP FREE
Nominal Thread Size0.138 INCHES IN
Actuator FunctionTRIP-RESET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5925-00-068-0740 INTERCHANGEABLE
Circuit Breaker
4730-00-369-4595 INTERCHANGEABLE
Coupling Half,quick Disconnect
5925-00-572-4982 INTERCHANGEABLE
Circuit Breaker
5120-01-199-3869023230 INTERCHANGEABLE
Strapping Tool
Signode International Trading Co
Cross-Reference Index
Part NumberManufacturer
AM12 Eaton Corp Heinemann Products Commercial Controls Div (USA)
Related Parts
5925-00-068-0740INTERCHANGEABLE
CIRCUIT BREAKER
4730-00-369-4595INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5925-00-572-4982INTERCHANGEABLE
CIRCUIT BREAKER
5120-01-199-3869INTERCHANGEABLE
STRAPPING TOOL
023230

Frequently Asked Questions

What is NSN 5925-00-283-6501?

NSN 5925-00-283-6501 is a Circuit Breaker, manufactured by Eaton Corp Heinemann Products Commercial Controls Div, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-00-283-6501?

NSN 5925-00-283-6501 has 1 cross-referenced part number: AM12 (Eaton Corp Heinemann Products Commercial Controls Div).

What NSN replaces 5925-00-283-6501?

There are 4 known substitutes for 5925-00-283-6501: 5925-00-068-0740, 4730-00-369-4595, 5925-00-572-4982 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AM12?

Key specifications for AM12: Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Maximum Continuous Load Current Rating Per Pole: 20.0 AMPERES AC SINGLE LOCATION; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps: 2000.0 AC SINGLE LOCATION. 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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