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7489A63H04 — CIRCUIT BREAKER

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

7489A63H04: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include body_style: MULTIPOLE-MULTIPLE ACTUATOR TYPE, body_width: 2.250 INCHES NOMINAL IN, body_length: 2.000 INCHES NOMINAL IN, bushing_length: 0.690 INCHES NOMINAL IN, mounting_surface_to_terminal_end_distance: 2.032 INCHES NOMINAL IN, center_to_center_distance_between_terminals_parallel_to_width: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5925-01-255-1048, 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→ 7489A63H04
NSN: 5925-01-255-1048
FSC: 5925 — Circuit Breakers
CAGE: 18323 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA ELECTRONIC SYSTEMS (USA)
SPECIFICATIONS
body_styleMULTIPOLE-MULTIPLE ACTUATOR TYPE
body_width2.250 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
pole_quantity3
bushing_length0.690 INCHES NOMINAL IN
mounting_surface_to_terminal_end_distance2.032 INCHES NOMINAL IN
center_to_center_distance_between_terminals_parallel_to_width0.750 INCHES NOMINAL IN
center_to_center_distance_between_terminals_parallel_to_length1.560 INCHES NOMINAL IN
distance_between_centerlines_of_mounting_facilities_parallel_to_body_width0.750 INCHES NOMINAL IN
distance_between_centerlines_of_mounting_facilities_parallel_to_body_length1.660 INCHES NOMINAL IN
NSN5925-01-255-1048
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN 7489A63H04 MFR CIRCUIT BREAKER
KEY FEATURES
•
BUSHING LENGTH: 0.690 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH: 0.750 INCHES NOMINAL IN
•
BODY STYLE: MULTIPOLE-MULTIPLE ACTUATOR TYPE
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 1.660 INCHES NOMINAL IN
•
BODY WIDTH: 2.250 INCHES NOMINAL IN
•
POLE QUANTITY: 3
•
MOUNTING SURFACE TO TERMINAL END DISTANCE: 2.032 INCHES NOMINAL IN
•
BODY LENGTH: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BUSHING LENGTH0.690 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH0.750 INCHES NOMINAL IN
BODY STYLEMULTIPOLE-MULTIPLE ACTUATOR TYPE
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH1.660 INCHES NOMINAL IN
BODY WIDTH2.250 INCHES NOMINAL IN
POLE QUANTITY3
MOUNTING SURFACE TO TERMINAL END DISTANCE2.032 INCHES NOMINAL IN
BODY LENGTH2.000 INCHES NOMINAL IN
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH0.750 INCHES NOMINAL IN
SPECIAL FEATURESACTUATOR STRENGTH 25 LBS;ACTUATOROPERATING STRENGTH 12LBS MAX;TERMINAL STRENGTH APPLIED LOAD 30LBS;APPLIED FORCE 10 LBS;TRIP FREE BREAKER WILL TRIPOPEN ON OVERLOAD;VOLTAGE RATING 240VAC400HZ;DIELECTRIC STRENGTH-BREAKERS WITHSTAND1500 VOLTS,60HZ FOR 60SEC OR1800VAC FOR 1 SEC BETWEEN ALL ELECTRICALLYISOLATED TERMINALS LBS
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7489A63H04?
7489A63H04 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 7489A63H04?
7489A63H04 is cataloged in the U.S. Government catalog under NSN 5925-01-255-1048. 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.