PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PA40Circuit Breaker

Sensata Technologies, Inc. Div Sensata Attleboro · NSN 5925-00-279-2931 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-279-2931 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-279-2931. Primary manufacturer part number: PA40.
Features
  • Circuit Breaker — FSC 5925
  • Trip Release Characteristic: TIME DELAY SINGLE LOCATION
  • Reset Method: AUTOMATIC
  • Trip Release Method: THERMAL SINGLE LOCATION
  • Circuit Protection Type: OVERCURRENT SINGLE LOCATION
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 120.0 SINGLE LOCATION
  • Trip Delay Time in Seconds Per Rated Continuous Current: 100.000 NOMINAL AT 125 PCT AND 7.500 NOMINAL AT 200 PCT AND 1.900 NOMINAL AT 300 PCT SINGLE LOCATION
  • Maximum Continuous Load Current Rating Per Pole: 40.0 AMPERES AC AND 40.0 AMPERES DC SINGLE LOCATION
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-279-2931, 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 Sensata Technologies, Inc. Div Sensata Attleboro. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5925-00-279-2931
Primary Part NumberPA40
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerSensata Technologies, Inc. Div Sensata Attleboro
StatusACTIVE
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Reset MethodAUTOMATIC
Trip Release MethodTHERMAL SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent120.0 SINGLE LOCATION
Trip Delay Time in Seconds Per Rated Continuous Current100.000 NOMINAL AT 125 PCT AND 7.500 NOMINAL AT 200 PCT AND 1.900 NOMINAL AT 300 PCT SINGLE LOCATION
Maximum Continuous Load Current Rating Per Pole40.0 AMPERES AC AND 40.0 AMPERES DC SINGLE LOCATION
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps800.0 AC AND 800.0 DC SINGLE LOCATION
Frequency in Hertz400.0 SINGLE LOCATION
Operating Voltage Type and Rating Per Pole in Volts30.0 AC AND 30.0 DC SINGLE LOCATION
Mounting Surface to Terminal End Distance1.281 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Pole Quantity1
Center to Center Distance Between Terminals Parallel to Length0.906 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Length1.574 INCHES NOMINAL IN
Inclosure Protection Type for Which DesignedFUNGUS RESISTANT
Trip Release Ambient Temp Rating25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
Body Width1.188 INCHES NOMINAL IN
Body StyleSINGLE POLE TYPE
MaterialPLASTIC CASE
Unpackaged Unit Weight1.500 OUNCES NOMINAL OZ
Terminal Type and Quantity2 TAB W/SCREW
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-01-023-8511S12A40 INTERCHANGEABLE
Rectifier,semiconductor Device
Rsm Electron Power Inc
4730-01-234-1724PA-40 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Dixon Valve & Coupling Company, Llc Div Dixon Fire
Cross-Reference Index
Part NumberManufacturer
PA40 PRIMARY Sensata Technologies, Inc. Div Sensata Attleboro (USA)
Related Parts
5961-01-023-8511INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE
S12A40
4730-01-234-1724INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
PA-40

Frequently Asked Questions

What is NSN 5925-00-279-2931?

NSN 5925-00-279-2931 is a Circuit Breaker, manufactured by Sensata Technologies, Inc. Div Sensata Attleboro, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-00-279-2931?

NSN 5925-00-279-2931 has 1 cross-referenced part number: PA40 (Sensata Technologies, Inc. Div Sensata Attleboro).

What NSN replaces 5925-00-279-2931?

There are 2 known substitutes for 5925-00-279-2931: 5961-01-023-8511, 4730-01-234-1724. Verify interchangeability with system specifications before substitution.

What are the specifications of PA40?

Key specifications for PA40: Trip Release Characteristic: TIME DELAY SINGLE LOCATION; Reset Method: AUTOMATIC; Trip Release Method: THERMAL SINGLE LOCATION; Circuit Protection Type: OVERCURRENT SINGLE LOCATION. 25 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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