PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P0111Circuit Breaker

Eaton Corp Heinemann Products Commercial Controls Div · NSN 5925-00-187-8820 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-187-8820 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-187-8820. Primary manufacturer part number: P0111.
Features
  • Circuit Breaker — FSC 5925
  • Maximum Continuous Load Current Rating Per Pole: 1.0 AMPERES AC SINGLE LOCATION
  • Inclosure Protection Type for Which Designed: DUSTPROOF
  • Actuator Position Designation: AT POLE ONE
  • Manual Actuator Type and Quantity: 1 TOGGLE
  • Trip Release Method: MAGNETIC-HYDRAULIC SINGLE LOCATION
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 SINGLE LOCATION
  • Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC SINGLE LOCATION
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-187-8820, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-00-187-8820
Primary Part NumberP0111
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerEaton Corp Heinemann Products Commercial Controls Div
StatusACTIVE
Maximum Continuous Load Current Rating Per Pole1.0 AMPERES AC SINGLE LOCATION
Inclosure Protection Type for Which DesignedDUSTPROOF
Actuator Position DesignationAT POLE ONE
Manual Actuator Type and Quantity1 TOGGLE
Trip Release MethodMAGNETIC-HYDRAULIC SINGLE LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 SINGLE LOCATION
Operating Voltage Type and Rating Per Pole in Volts250.0 AC SINGLE LOCATION
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Terminal Type and Quantity2 THREADED STUD
Actuator Position DesignationAT POLE ONE
Terminal Type and Quantity2 THREADED STUD
MaterialPLASTIC CASE
Distance Between Centerlines of Mounting Facilities Parallel to Body Length1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN
Boss Height0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Center to Center Distance Between Terminals Parallel to Length2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN
Arc Quenching MethodMAGNETIC BLOWOUT
Fragility FactorMODERATELY RUGGED
Storage TypeGENERAL PURPOSE WAREHOUSE
Mounting Facility Type and Quantity2 THREADED HOLE(S) AND 2 SLOT
MaterialPLASTIC CASE
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Nominal Thread Size0.136 INCHES IN
Frequency in Hertz60.0 SINGLE LOCATION
Actuator FunctionTRIP-RESET
Mounting Slot Width0.164 INCHES NOMINAL IN
Body Length3.208 INCHES MINIMUM AND 3.228 INCHES MAXIMUM IN
Pole Quantity1
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Body StyleSINGLE POLE TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-142-15936100X4 INTERCHANGEABLE
Inverted Nut,tube Coupling
Danfoss Power Solutions II, Llc
5910-00-197-3716M27 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
L3 Aviation Products, Inc. Dba L3 Technologies
4320-00-223-5976 INTERCHANGEABLE
Cap
5910-00-249-5376 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
6130-00-250-5942464-0241-001 INTERCHANGEABLE
Power Supply
The Boeing Company Div Legacy Boeing Hb1
4720-00-300-674526424 INTERCHANGEABLE
Hose,preformed
Gates Corporation
1305-00-301-1663 INTERCHANGEABLE
Cartridge,caliber .30 Carbine
1377-00-845-1059 INTERCHANGEABLE
Initiator,cartridge Actuated
Cross-Reference Index
Part NumberManufacturer
P0111 Eaton Corp Heinemann Products Commercial Controls Div (USA)
P0111-1AMP 110VAC-60HZ Eaton Corp Heinemann Products Commercial Controls Div (USA)
M27 Pt Components Inc Drive Div (USA)
Related Parts
4730-00-142-1593INTERCHANGEABLE
INVERTED NUT,TUBE COUPLING
6100X4
5910-00-197-3716INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
M27
4320-00-223-5976INTERCHANGEABLE
CAP
5910-00-249-5376INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
6130-00-250-5942INTERCHANGEABLE
POWER SUPPLY
464-0241-001
4720-00-300-6745INTERCHANGEABLE
HOSE,PREFORMED
26424
1305-00-301-1663INTERCHANGEABLE
CARTRIDGE,CALIBER .30 CARBINE
1377-00-845-1059INTERCHANGEABLE
INITIATOR,CARTRIDGE ACTUATED

Frequently Asked Questions

What is NSN 5925-00-187-8820?

NSN 5925-00-187-8820 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 5925-00-187-8820?

NSN 5925-00-187-8820 has 3 cross-referenced part numbers: P0111 (Eaton Corp Heinemann Products Commercial Controls Div), P0111-1AMP 110VAC-60HZ (Eaton Corp Heinemann Products Commercial Controls Div), M27 (Pt Components Inc Drive Div).

What NSN replaces 5925-00-187-8820?

There are 8 known substitutes for 5925-00-187-8820: 4730-00-142-1593, 5910-00-197-3716, 4320-00-223-5976 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P0111?

Key specifications for P0111: Maximum Continuous Load Current Rating Per Pole: 1.0 AMPERES AC SINGLE LOCATION; Inclosure Protection Type for Which Designed: DUSTPROOF; Actuator Position Designation: AT POLE ONE; Manual Actuator Type and Quantity: 1 TOGGLE. 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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