PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4524-7414-2Circuit Breaker

Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters · NSN 5925-00-406-6120 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-406-6120 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-406-6120. Primary manufacturer part number: B4524-7414-2.
Features
  • Circuit Breaker — FSC 5925
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Actuator Function: TRIP-RESET
  • Material: PLASTIC CASE
  • Trip Release Method: MAGNETIC-HYDRAULIC ALL LOCATIONS
  • Nominal Thread Size: 0.138 INCHES IN
  • Switch Location and Position Designation: EXTERNAL AT POLE ONE
  • Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-406-6120, 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 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-00-406-6120
Primary Part NumberB4524-7414-2
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerTrane U.s. Inc. Dba the Trane Co Div Trane Headquarters
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Actuator FunctionTRIP-RESET
MaterialPLASTIC CASE
Trip Release MethodMAGNETIC-HYDRAULIC ALL LOCATIONS
Nominal Thread Size0.138 INCHES IN
Switch Location and Position DesignationEXTERNAL AT POLE ONE
Internal Trip Release ConfigurationSERIES TRIP ALL LOCATIONS
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Trip Delay Time in Seconds Per Rated Continuous Current0.350 MINIMUM AT 200 PCT AND 1.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Maximum Continuous Load Current Rating Per Pole47.0 AMPERES AC ALL LOCATIONS
Auxiliary Switch Function and Quantity1 CONTROL
Manual Actuator Type and Quantity3 TOGGLE
Operating Voltage Type and Rating Per Pole in Volts208.0 AC ALL LOCATIONS
Reset MethodMANUAL
Ultimate Trip Time Per Pole in Seconds1.500 MINIMUM AND 6.000 MAXIMUM ALL LOCATIONS
Body StyleMULTIPOLE-MULTIPLE ACTUATOR TYPE
Boss Height0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Pole Quantity3
Distance Between Centerlines of Mounting Facilities Parallel to Body Length2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM IN
Center to Center Distance Between Terminals Parallel to Width0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Center to Center Distance Between Terminals Parallel to Length1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Switch Contact ArrangementSINGLE POLE, DOUBLE THROW
Fragility FactorMODERATELY RUGGED
Thread Quantity Per Inch32
Arc Quenching MethodAIR
Body Length2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-277-010539580 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
2835-01-032-909072287-1 INTERCHANGEABLE
Housing Assembly
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Cross-Reference Index
Part NumberManufacturer
B4524-7414-2 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
55038-3 Keco Industries, Inc. (USA)
72-287-1 Eaton Corp Heinemann Products Commercial Controls Div (USA)
Related Parts
3110-00-277-0105INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
39580
2835-01-032-9090INTERCHANGEABLE
HOUSING ASSEMBLY
72287-1

Frequently Asked Questions

What is NSN 5925-00-406-6120?

NSN 5925-00-406-6120 is a Circuit Breaker, manufactured by Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-00-406-6120?

NSN 5925-00-406-6120 has 3 cross-referenced part numbers: B4524-7414-2 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), 55038-3 (Keco Industries, Inc.), 72-287-1 (Eaton Corp Heinemann Products Commercial Controls Div).

What NSN replaces 5925-00-406-6120?

There are 2 known substitutes for 5925-00-406-6120: 3110-00-277-0105, 2835-01-032-9090. Verify interchangeability with system specifications before substitution.

What are the specifications of B4524-7414-2?

Key specifications for B4524-7414-2: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Actuator Function: TRIP-RESET; Material: PLASTIC CASE; Trip Release Method: MAGNETIC-HYDRAULIC ALL LOCATIONS. 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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