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3R8920 — CIRCUIT BREAKER

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

3R8920: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: PLASTIC CASE, body_style: SINGLE POLE TYPE, body_width: 24.14 MILLIMETERS NOMINAL MM, reset_method: AUTOMATIC, storage_type: GENERAL PURPOSE WAREHOUSE, overall_length: 50.8 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5925-01-157-4604, 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→ 3R8920
NSN: 5925-01-157-4604
FSC: 5925 — Circuit Breakers
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleSINGLE POLE TYPE
body_width24.14 MILLIMETERS NOMINAL MM
reset_methodAUTOMATIC
storage_typeGENERAL PURPOSE WAREHOUSE
pole_quantity1
overall_length50.8 MILLIMETERS NOMINAL MM
frequency_in_hertz60.0 SINGLE LOCATION
nominal_thread_size0.164 INCHES IN
trip_release_methodTHERMAL SINGLE LOCATION
circuit_protection_typeOVERCURRENT SINGLE LOCATION
end_item_identification3805-01-126-7915
NSN5925-01-157-4604
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN 3R8920 MFR CIRCUIT BREAKER
KEY FEATURES
•
RESET METHOD: AUTOMATIC
•
INTERNAL TRIP RELEASE CONFIGURATION: SERIES TRIP SINGLE LOCATION
•
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS: 110.0 AC AND 30.0 DC SINGLE LOCATION
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 THREADED HOLE(S)
•
FREQUENCY IN HERTZ: 60.0 SINGLE LOCATION
•
BODY STYLE: SINGLE POLE TYPE
•
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT: 130.0 SINGLE LOCATION
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 39.98 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
RESET METHODAUTOMATIC
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SINGLE LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS110.0 AC AND 30.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED HOLE(S)
FREQUENCY IN HERTZ60.0 SINGLE LOCATION
BODY STYLESINGLE POLE TYPE
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT130.0 SINGLE LOCATION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH39.98 MILLIMETERS NOMINAL MM
CIRCUIT PROTECTION TYPEOVERCURRENT SINGLE LOCATION
BODY WIDTH24.14 MILLIMETERS NOMINAL MM
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 5925-00-001-2809 5925-00-001-3838 5925-00-001-5748 5925-00-001-5926 5925-00-001-5938 5925-00-001-5942 5925-00-001-5977
SUBSTITUTES & CROSS-REFERENCES 1
CDA 8IReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3R8920?
3R8920 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3R8920?
There is 1 known substitute for 3R8920: CDA 8I. Substitute compatibility should be verified for your specific system.
What is the NSN for 3R8920?
3R8920 is cataloged in the U.S. Government catalog under NSN 5925-01-157-4604. This indicates validated use in U.S. government and defense supply chains.
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