PartsTable
Technical Data Sheet
MS26574-1-2 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include body_style: SINGLE POLE TYPE, body_width: 0.580 INCHES MAXIMUM IN, body_length: 0.780 INCHES MAXIMUM IN, reset_method: MANUAL, storage_type: GENERAL PURPOSE WAREHOUSE, bushing_length: 0.381 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-00-946-6879, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL MS26574-1-2
NSN: 5925-00-946-6879
FSC: 5925
CAGE: A0126 — LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE (ITA)
SPECIFICATIONS
body_styleSINGLE POLE TYPE
body_width0.580 INCHES MAXIMUM IN
body_length0.780 INCHES MAXIMUM IN
reset_methodMANUAL
storage_typeGENERAL PURPOSE WAREHOUSE
pole_quantity1
bushing_length0.381 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
fragility_factorMODERATELY RUGGED
actuator_functionTRIP-RESET
frequency_in_hertz400.0 SINGLE LOCATION
nominal_thread_size0.438 INCHES IN
trip_release_methodTHERMAL SINGLE LOCATION
NSN5925-00-946-6879
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN MS26574-1-2 MFR CIRCUIT BREAKER
KEY FEATURES
ACTUATOR FUNCTION: TRIP-RESET
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS: 100.0 AC AND 100.0 DC SINGLE LOCATION
MANUAL ACTUATOR TYPE AND QUANTITY: 1 PUSH-PULL
MAIN CONTACT TRIPPING MECHANISM TYPE: TRIP FREE
TRIP RELEASE CHARACTERISTIC: TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD: THERMAL SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATION: SERIES TRIP SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED: EXPLOSION RESISTANT AND MOISTURE RESISTANT
TECHNICAL CHARACTERISTICS (FLIS)
ACTUATOR FUNCTIONTRIP-RESET
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS100.0 AC AND 100.0 DC SINGLE LOCATION
MANUAL ACTUATOR TYPE AND QUANTITY1 PUSH-PULL
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
TRIP RELEASE CHARACTERISTICTIME DELAY SINGLE LOCATION
TRIP RELEASE METHODTHERMAL SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDEXPLOSION RESISTANT AND MOISTURE RESISTANT
TRIP RELEASE AMBIENT TEMP RATING25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT2.000 MINIMUM AT 200 PCT AND 20.000 MAXIMUM AT 200 PCT SINGLE LOCATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
23504-3Interchangeable
interchangeable cross-reference
interchangeable
209-070-722-3Interchangeable
interchangeable cross-reference
interchangeable
23504-1Interchangeable
interchangeable cross-reference
interchangeable
7274-2-1-2Interchangeable
interchangeable cross-reference
interchangeable
11-135-40-009Interchangeable
interchangeable cross-reference
interchangeable
4001-002-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS26574-1-2?
MS26574-1-2 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace MS26574-1-2?
There are 15 known substitutes for MS26574-1-2: 23504-3, 209-070-722-3, 23504-1 and 12 more. Substitute compatibility should be verified for your specific system.
Is MS26574-1-2 still available?
MS26574-1-2 is currently cancelled.
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