PartsTable
Technical Data Sheet
203-2-3-61-251-4-2-1 ✓ 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 material: PLASTIC CASE, body_style: SINGLE POLE TYPE, body_width: 0.695 INCHES MAXIMUM IN, body_length: 1.610 INCHES NOMINAL IN, boss_height: 0.125 INCHES NOMINAL IN, reset_method: MANUAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-01-395-1526, 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 203-2-3-61-251-4-2-1
NSN: 5925-01-395-1526
FSC: 5925
CAGE: 81541 — SENSATA TECHNOLOGIES MARYLAND, INC (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleSINGLE POLE TYPE
body_width0.695 INCHES MAXIMUM IN
body_length1.610 INCHES NOMINAL IN
boss_height0.125 INCHES NOMINAL IN
reset_methodMANUAL
pole_quantity1
special_featuresILLUMINATED HANDLE
actuator_functionTRIP-RESET
frequency_in_hertz60.0 SINGLE LOCATION
trip_release_methodMAGNETIC SINGLE LOCATION
circuit_protection_typeOVERCURRENT SINGLE LOCATION
NSN5925-01-395-1526
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN 203-2-3-61-251-4-2-1 MFR CIRCUIT BREAKER
KEY FEATURES
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS: 1000.0 AC SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT: 125.0 SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATION: SERIES TRIP SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT: 0.050 MINIMUM AT 200 PCT AND 0.950 MAXIMUM AT 200 PCT SINGLE LOCATION
BODY STYLE: SINGLE POLE TYPE
POLE QUANTITY: 1
MOUNTING FACILITY TYPE AND QUANTITY: 2 CLIP
BOSS HEIGHT: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS1000.0 AC SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.050 MINIMUM AT 200 PCT AND 0.950 MAXIMUM AT 200 PCT SINGLE LOCATION
BODY STYLESINGLE POLE TYPE
POLE QUANTITY1
MOUNTING FACILITY TYPE AND QUANTITY2 CLIP
BOSS HEIGHT0.125 INCHES NOMINAL IN
MOUNTING SURFACE TO TERMINAL END DISTANCE1.770 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
41236Interchangeable
interchangeable cross-reference
interchangeable
MILG3379Interchangeable
interchangeable cross-reference
interchangeable
41218Interchangeable
interchangeable cross-reference
interchangeable
02-000-49Interchangeable
interchangeable cross-reference
interchangeable
PRINTLINK II HGInterchangeable
interchangeable cross-reference
interchangeable
5000510Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203-2-3-61-251-4-2-1?
203-2-3-61-251-4-2-1 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 203-2-3-61-251-4-2-1?
There are 7 known substitutes for 203-2-3-61-251-4-2-1: 41236, MILG3379, 41218 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 203-2-3-61-251-4-2-1?
203-2-3-61-251-4-2-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-01-395-1526. This indicates validated use in U.S. government and defense supply chains.
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