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ETN319910S30 — CIRCUIT BREAKER

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

ETN319910S30: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include special_features: VOLTAGE RATING - 500V; FREQUENCY - 400HZ/60 HZ; 250 AMP; NON-AUTOMATIC CKT BKR; 28VDC SHUNT TRIP & 1A,1B AUX SWITCH VDC, end_item_identification: CIRCUIT BREAKER NQB-A252. This part is cataloged in the U.S.

Government catalog under NSN 5925-01-535-7855, 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→ ETN319910S30
NSN: 5925-01-535-7855
FSC: 5925 — Circuit Breakers
CAGE: 30086 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC. DBA SPD ELECTRICAL SYSTEMS, INC. (USA)
SPECIFICATIONS
pole_quantity3
special_featuresVOLTAGE RATING - 500V; FREQUENCY - 400HZ/60 HZ; 250 AMP; NON-AUTOMATIC CKT BKR; 28VDC SHUNT TRIP & 1A,1B AUX SWITCH VDC
end_item_identificationCIRCUIT BREAKER NQB-A252
NSN5925-01-535-7855
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN ETN319910S30 MFR CIRCUIT BREAKER
KEY FEATURES
•
POLE QUANTITY: 3
TECHNICAL CHARACTERISTICS
POLE QUANTITY3
SPECIAL FEATURESVOLTAGE RATING - 500V; FREQUENCY - 400HZ/60 HZ; 250 AMP; NON-AUTOMATIC CKT BKR; 28VDC SHUNT TRIP & 1A,1B AUX SWITCH VDC
END ITEM IDENTIFICATIONCIRCUIT BREAKER NQB-A252
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ETN319910S30?
ETN319910S30 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What is the NSN for ETN319910S30?
ETN319910S30 is cataloged in the U.S. Government catalog under NSN 5925-01-535-7855. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.