PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AM12MG6-30-250VAC60C4Circuit Breaker

Eaton Corp Heinemann Products Commercial Controls Div · NSN 5925-00-924-9578 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-924-9578 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-924-9578. Primary manufacturer part number: AM12MG6-30-250VAC60C4.
Features
  • Circuit Breaker — FSC 5925
  • Body Style: SINGLE POLE TYPE
  • Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC SINGLE LOCATION
  • Actuator Position Designation: AT POLE ONE
  • Trip Release Characteristic: TIME DELAY SINGLE LOCATION
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 150.0 SINGLE LOCATION
  • Inclosure Protection Type for Which Designed: FUNGUS RESISTANT
  • Actuator Function: TRIP-RESET
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-924-9578, 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 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5925-00-924-9578
Primary Part NumberAM12MG6-30-250VAC60C4
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerEaton Corp Heinemann Products Commercial Controls Div
StatusCANCELLED
Body StyleSINGLE POLE TYPE
Operating Voltage Type and Rating Per Pole in Volts250.0 AC SINGLE LOCATION
Actuator Position DesignationAT POLE ONE
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent150.0 SINGLE LOCATION
Inclosure Protection Type for Which DesignedFUNGUS RESISTANT
Actuator FunctionTRIP-RESET
MaterialPLASTIC CASE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Reset MethodMANUAL
Main Contact Tripping Mechanism TypeTRIP FREE
Trip Delay Time in Seconds Per Rated Continuous Current4.000 MINIMUM AT 200 PCT AND 10.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Manual Actuator Type and Quantity1 TOGGLE
Trip Release MethodMAGNETIC-HYDRAULIC SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Terminal Type and Quantity2 THREADED STUD
Frequency in Hertz60.0 SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps1000.0 AC SINGLE LOCATION
Nominal Thread Size0.138 INCHES IN
Maximum Continuous Load Current Rating Per Pole30.0 AMPERES AC SINGLE LOCATION
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Fragility FactorMODERATELY RUGGED
Pole Quantity1
Mounting Surface to Terminal End Distance2.611 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Length2.062 INCHES NOMINAL IN
Boss Height0.140 INCHES NOMINAL IN
Thread Quantity Per Inch32
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Storage TypeGENERAL PURPOSE WAREHOUSE
Arc Quenching MethodAIR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5935-00-027-8915105-803 INTERCHANGEABLE
Jack,tip
Viking Technologies, Ltd.
5945-00-461-2356 INTERCHANGEABLE
Relay,electromagnetic
5930-00-642-91888370K107 INTERCHANGEABLE
Switch,toggle
Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
5130-00-973-0062900-172 INTERCHANGEABLE
Grip Spacer
Huck International, Inc. Div Kingston Operations
3020-00-973-9719105803 INTERCHANGEABLE
Gear,spur
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
5840-01-176-1472105803 INTERCHANGEABLE
Range Strobe Assy
Aimtron Systems, Llc
6515-01-505-0390105.803 INTERCHANGEABLE
Bone Surgery Set
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
AM12MG6-30-250VAC60C4 Eaton Corp Heinemann Products Commercial Controls Div (USA)
632238-206 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
SMC602991 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
122-230-101 Te Connectivity Corporation (USA)
70-868MG3-206 Eaton Corp Heinemann Products Commercial Controls Div (USA)
63A109B156 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
105803 Optomechanisms Co of America Inc (USA)
122-230-101 Wood Electric Operations Potter and Brumfield Div Amf Inc (USA)
AM12MG6-30-250-4-60 Eaton Corp Heinemann Products Commercial Controls Div (USA)
Related Parts
5935-00-027-8915INTERCHANGEABLE
JACK,TIP
105-803
5945-00-461-2356INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5930-00-642-9188INTERCHANGEABLE
SWITCH,TOGGLE
8370K107
5130-00-973-0062INTERCHANGEABLE
GRIP SPACER
900-172
3020-00-973-9719INTERCHANGEABLE
GEAR,SPUR
105803
5840-01-176-1472INTERCHANGEABLE
RANGE STROBE ASSY
105803
6515-01-505-0390INTERCHANGEABLE
BONE SURGERY SET
105.803

Frequently Asked Questions

What is NSN 5925-00-924-9578?

NSN 5925-00-924-9578 is a Circuit Breaker, manufactured by Eaton Corp Heinemann Products Commercial Controls Div, classified under FSC 5925 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5925-00-924-9578?

NSN 5925-00-924-9578 has 9 cross-referenced part numbers: AM12MG6-30-250VAC60C4 (Eaton Corp Heinemann Products Commercial Controls Div), 632238-206 (Lockheed Martin Corporation Div Rms - Mitchel Field), SMC602991 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 122-230-101 (Te Connectivity Corporation), 70-868MG3-206 (Eaton Corp Heinemann Products Commercial Controls Div) and 4 more.

What NSN replaces 5925-00-924-9578?

There are 7 known substitutes for 5925-00-924-9578: 5935-00-027-8915, 5945-00-461-2356, 5930-00-642-9188 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AM12MG6-30-250VAC60C4?

Key specifications for AM12MG6-30-250VAC60C4: Body Style: SINGLE POLE TYPE; Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC SINGLE LOCATION; Actuator Position Designation: AT POLE ONE; Trip Release Characteristic: TIME DELAY SINGLE LOCATION. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5925-00-924-9578 still in active supply?

NSN 5925-00-924-9578 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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