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Technical Data Sheet
PartsTable / COMPONENT / W3R3/4
W3R3/4 ✓ Verified by PartsTable
— · COMPONENT
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 W3R3/4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-221-4554, 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
W3R3/4
NSN: 5920-00-221-4554
FSC: 5920
CAGE: 71400 — COOPER BUSSMANN, LLC DBA COOPER INDUSTRIES (USA)
SPECIFICATIONS
Part NumberW3R3/4
NSN5920-00-221-4554
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available W3R3/4 TITLE COMPONENT PN W3R3/4 MFR W3R3/4
KEY FEATURES
•
INTERRUPTION INDICATOR METHOD: OPAQUE BODY
•
MAXIMUM VOLTAGE RATING IN VOLTS: 150.0 AC AND 150.0 DC
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 0.937 INCHES NOMINAL IN
•
MOUNTING SLOT WIDTH: 0.150 INCHES NOMINAL IN
•
CONTINUOUS CURRENT RATING IN AMPS: 0.750
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.050 INCHES NOMINAL IN
INTERRUPTION INDICATOR METHODOPAQUE BODY
MAXIMUM VOLTAGE RATING IN VOLTS150.0 AC AND 150.0 DC
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH0.937 INCHES NOMINAL IN
MOUNTING SLOT WIDTH0.150 INCHES NOMINAL IN
OVERALL LENGTH1.406 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
CONTINUOUS CURRENT RATING IN AMPS0.750
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
BODY STYLESLOTTED LIMITER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
D9493AInterchangeable
interchangeable cross-reference
interchangeable
1224TAInterchangeable
interchangeable cross-reference
interchangeable
43001296-1Interchangeable
interchangeable cross-reference
interchangeable
RGM35Interchangeable
interchangeable cross-reference
interchangeable
24DInterchangeable
interchangeable cross-reference
interchangeable
315965Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W3R3/4?
W3R3/4 is a W3R3/4.
What parts can replace W3R3/4?
There are 11 known substitutes for W3R3/4: D9493A, 1224TA, 43001296-1 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W3R3/4?
W3R3/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-221-4554. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026