PartsTable TECHNICAL DATA SHEET
NSN 5925-01-066-0646Government record, cited

Circuit Breaker5925-01-066-0646

NSN 5925-01-066-0646 · NIIN 010660646 · Part number FAL-24100
Square D Co Cedar Rapids Mfg Plant · FSC 5925 — Circuit Breakers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 56302
Government record, cited
NSN 5925-01-066-0646 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-066-0646. Manufacturer of record part number: FAL-24100.
Also searched as  5925-01-066-0646 · 5925010660646 · NIIN 010660646 · 01-066-0646 · FSC 5925 Circuit Breakers · CAGE 56302 · FAL-24100 · 76-11200
Nearby stock numbers  ·
Features
  • Circuit Breaker — FSC 5925
  • Reset Method: MANUAL
  • Operating Voltage Type and Rating Per Pole in Volts: 480.0 AC AND 250.0 DC ALL LOCATIONS
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)
  • Actuator Position Designation: AT POLE TWO
  • Frequency in Hertz: 60.0 ALL LOCATIONS
  • Center to Center Distance Between Terminals Parallel to Width: 1.500 INCHES NOMINAL IN
  • Fragility Factor: MODERATELY RUGGED
Identification
  • NSN: 5925-01-066-0646
  • NIIN: 010660646
  • FSC: 5925 — Circuit Breakers
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: FAL-24100
  • Manufacturer: Square D Co Cedar Rapids Mfg Plant
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-066-0646, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Square D Co Cedar Rapids Mfg Plant. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-066-0646
Primary Part NumberFAL-24100
Item NameCircuit Breaker
FSC / FSG5925 / 59 — Circuit Breakers
ManufacturerSquare D Co Cedar Rapids Mfg Plant
StatusACTIVE
Reset MethodMANUAL
Operating Voltage Type and Rating Per Pole in Volts480.0 AC AND 250.0 DC ALL LOCATIONS
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Actuator Position DesignationAT POLE TWO
Frequency in Hertz60.0 ALL LOCATIONS
Center to Center Distance Between Terminals Parallel to Width1.500 INCHES NOMINAL IN
Fragility FactorMODERATELY RUGGED
Body StyleMULTIPOLE-SINGLE ACTUATOR TYPE
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 ALL LOCATIONS
Adjustable Trip Setting Current Range Per Pole in Amps+900.0 TO 1700.0 AC AND +900.0 TO 1700.0 DC ALL LOCATIONS
Distance Between Centerlines of Mounting Facilities Parallel to Body Length5.130 INCHES NOMINAL IN
Arc Quenching MethodMAGNETIC BLOWOUT
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Body Width3.000 INCHES NOMINAL IN
Body Height3.156 INCHES NOMINAL IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Unthreaded Mounting Hole Diameter0.196 INCHES NOMINAL IN
Pole Quantity2
Maximum Continuous Load Current Rating Per Pole100.0 AMPERES AC AND 100.0 AMPERES DC ALL LOCATIONS
Features ProvidedADJUSTABLE TRIP RELEASE
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY ALL LOCATIONS
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps18000.0 AC AND 10000.0 DC ALL LOCATIONS
Body Length6.000 INCHES NOMINAL IN
Trip Delay Time in Seconds Per Rated Continuous Current30.000 MINIMUM AT 200 PCT AND 95.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Manual Actuator Type and Quantity1 TOGGLE
Distance Between Centerlines of Mounting Facilities Parallel to Body Width1.500 INCHES NOMINAL IN
Inclosure Protection Type for Which DesignedGENERAL PURPOSE
MaterialPLASTIC CASE
Actuator FunctionTRIP-RESET
Trip Release Ambient Temp Rating40.0 CELSIUS NOMINAL ALL LOCATIONS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
FAL-24100 PRIMARY Square D Co Cedar Rapids Mfg Plant (USA)
76-11200 Department of Defense Project Manager-Mobile Electric Power (USA)
Reference documents
ReferenceMeaning
FAL-24100 5/9 Secondary reference
Schneider Electric Usa, Inc. Dba Schneider Electric
No interchangeability data on file.
Other items in FSC 5925 — Circuit Breakers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5925-00-001-1277
CIRCUIT BREAKER
5925-00-001-2809
5925-00-001-2809 · Item name not on file
5925-00-001-3838
CIRCUIT BREAKER
5925-00-001-5748
5925-00-001-5748 · Item name not on file
5925-00-001-5926
5925-00-001-5926 · Item name not on file
5925-00-001-5938
5925-00-001-5938 · Item name not on file
5925-00-001-5942
CIRCUIT BREAKER
5925-00-001-5977
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 5925-01-066-0646?

NSN 5925-01-066-0646 is a Circuit Breaker, manufactured by Square D Co Cedar Rapids Mfg Plant, classified under FSC 5925, Circuit Breakers. Status: active.

What part numbers are listed for NSN 5925-01-066-0646?

NSN 5925-01-066-0646 has 2 manufacturer part numbers on file: FAL-24100 (Square D Co Cedar Rapids Mfg Plant), 76-11200 (Department of Defense Project Manager-Mobile Electric Power).

What are the specifications of FAL-24100?

Key specifications for FAL-24100: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 480.0 AC AND 250.0 DC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Actuator Position Designation: AT POLE TWO. 30 specifications are documented in the U.S. Government catalog.

Is NSN 5925-01-066-0646 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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