PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54-240Circuit Breaker

Pollak Joseph Corp · NSN 5925-01-129-3384 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-129-3384 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-129-3384. Primary manufacturer part number: 54-240.
Features
  • Circuit Breaker — FSC 5925
  • Body Style: RECTANGULAR DIMENSIONAL ENVELOPE
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 SINGLE LOCATION
  • Trip Release Method: THERMAL SINGLE LOCATION
  • Reset Method: AUTOMATIC
  • Circuit Protection Type: OVERCURRENT SINGLE LOCATION
  • Operating Voltage Type and Rating Per Pole in Volts: 12.0 DC SINGLE LOCATION
  • Trip Delay Time in Seconds Per Rated Continuous Current: 4.000 MINIMUM AT 200 PCT AND 5.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-129-3384, 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 Pollak Joseph Corp. Government technical data includes 20 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-129-3384
Primary Part Number54-240
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerPollak Joseph Corp
StatusACTIVE
Body StyleRECTANGULAR DIMENSIONAL ENVELOPE
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 SINGLE LOCATION
Trip Release MethodTHERMAL SINGLE LOCATION
Reset MethodAUTOMATIC
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Operating Voltage Type and Rating Per Pole in Volts12.0 DC SINGLE LOCATION
Trip Delay Time in Seconds Per Rated Continuous Current4.000 MINIMUM AT 200 PCT AND 5.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
MaterialPLASTIC CASE
Terminal Type and Quantity2 THREADED STUD
Inclosure Protection Type for Which DesignedGENERAL PURPOSE
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps200.0 DC SINGLE LOCATION
Storage TypeGENERAL PURPOSE WAREHOUSE
Unthreaded Mounting Hole Diameter0.190 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Fragility FactorMODERATELY RUGGED
Pole Quantity1
Maximum Continuous Load Current Rating Per Pole40.0 AMPERES DC SINGLE LOCATION
Trip Release Ambient Temp Rating40.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-00-073-9882N5424095 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5310-01-381-120354590 INTERCHANGEABLE
Washer,flat
Tifco Industries, Inc. Dba Tifco Industries Inc
6120-01-678-2242 INTERCHANGEABLE
Power Supply
Cross-Reference Index
Part NumberManufacturer
464-0127 Pierce Manufacturing Inc (USA)
54-240 PRIMARY Pollak Joseph Corp (USA)
64-0127 Pierce Manufacturing Inc (USA)
Related Parts
4820-00-073-9882INTERCHANGEABLE
DISK,VALVE
N5424095
5310-01-381-1203INTERCHANGEABLE
WASHER,FLAT
54590
6120-01-678-2242INTERCHANGEABLE
POWER SUPPLY

Frequently Asked Questions

What is NSN 5925-01-129-3384?

NSN 5925-01-129-3384 is a Circuit Breaker, manufactured by Pollak Joseph Corp, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-129-3384?

NSN 5925-01-129-3384 has 3 cross-referenced part numbers: 464-0127 (Pierce Manufacturing Inc), 54-240 (Pollak Joseph Corp), 64-0127 (Pierce Manufacturing Inc).

What NSN replaces 5925-01-129-3384?

There are 3 known substitutes for 5925-01-129-3384: 4820-00-073-9882, 5310-01-381-1203, 6120-01-678-2242. Verify interchangeability with system specifications before substitution.

What are the specifications of 54-240?

Key specifications for 54-240: Special Features: WITH 90 DEGREE MOUNTING BRACKET INCLUDED; Overall Height: 1.410 INCHES NOMINAL IN; Body Style: RECTANGULAR DIMENSIONAL ENVELOPE; Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 SINGLE LOCATION. 24 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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