ETN3120 — CIRCUIT BREAKER

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

ETN3120: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: PLASTIC CASE, end_item_identification: SUB ENGINEERING AND DIESEL SYSTEMS, trip_release_characteristic: INSTANTANEOUS ALL LOCATIONS, precious_material_and_location: MAIN CONTACTS COMPOSED OF SILVER ALLOY SILVER. This part is cataloged in the U.S.

Government catalog under NSN 5925-01-471-5111, 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→ ETN3120

NSN: 5925-01-471-5111
FSC: 5925 — Circuit Breakers
CAGE: 30086 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC. DBA SPD ELECTRICAL SYSTEMS, INC. (USA)

SPECIFICATIONS

material	PLASTIC CASE
end_item_identification	SUB ENGINEERING AND DIESEL SYSTEMS
trip_release_characteristic	INSTANTANEOUS ALL LOCATIONS
precious_material_and_location	MAIN CONTACTS COMPOSED OF SILVER ALLOY SILVER
NSN	5925-01-471-5111

COMPONENT DIAGRAM

KEY FEATURES

•

TRIP RELEASE CHARACTERISTIC: INSTANTANEOUS ALL LOCATIONS

•

PRECIOUS MATERIAL AND LOCATION: MAIN CONTACTS COMPOSED OF SILVER ALLOY SILVER

•

MATERIAL: PLASTIC CASE

TECHNICAL CHARACTERISTICS

TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS ALL LOCATIONS
PRECIOUS MATERIAL AND LOCATION	MAIN CONTACTS COMPOSED OF SILVER ALLOY SILVER
END ITEM IDENTIFICATION	SUB ENGINEERING AND DIESEL SYSTEMS
MATERIAL	PLASTIC CASE

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 3

45-1280Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ETN3100Reference document

Same NSN cross-reference

Reference document — Secondary reference

6977ED44PC7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ETN3120?

ETN3120 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).

What parts can replace ETN3120?

There are 3 known substitutes for ETN3120: 45-1280, ETN3100, 6977ED44PC7. Substitute compatibility should be verified for your specific system.

What is the NSN for ETN3120?

ETN3120 is cataloged in the U.S. Government catalog under NSN 5925-01-471-5111. This indicates validated use in U.S. government and defense supply chains.

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