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PartsTable / MRO / CB3-B0-34-615-121-D
CB3-B0-34-615-121-D ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include frequency_in_hertz: 60 ALL LOCATIONS, end_item_identification: 4120-01-664-1695, part_name_assigned_by_controlling_agency: C-SERIES CIRCUIT BREAKER, maximum_continuous_load_current_rating_per_pole: 15.0 AMPERES AC ALL LOCATIONS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-01-691-1934, 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→ CB3-B0-34-615-121-D
NSN: 5925-01-691-1934
FSC: 5925
CAGE: 73559 — CARLING TECHNOLOGIES, INC DBA CARLINGSWITCH (USA)
SPECIFICATIONS
pole_quantity3
frequency_in_hertz60 ALL LOCATIONS
end_item_identification4120-01-664-1695
part_name_assigned_by_controlling_agencyC-SERIES CIRCUIT BREAKER
maximum_continuous_load_current_rating_per_pole15.0 AMPERES AC ALL LOCATIONS
NSN5925-01-691-1934
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN CB3-B0-34-615-121-D MFR CIRCUIT BREAKER
KEY FEATURES
•
POLE QUANTITY: 3
•
FREQUENCY IN HERTZ: 60 ALL LOCATIONS
•
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE: 15.0 AMPERES AC ALL LOCATIONS
TECHNICAL CHARACTERISTICS (FLIS)
POLE QUANTITY3
END ITEM IDENTIFICATION4120-01-664-1695
FREQUENCY IN HERTZ60 ALL LOCATIONS
PART NAME ASSIGNED BY CONTROLLING AGENCYC-SERIES CIRCUIT BREAKER
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE15.0 AMPERES AC ALL LOCATIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
10034255Interchangeable
interchangeable cross-reference
interchangeable
509B38-3Interchangeable
interchangeable cross-reference
interchangeable
762-1-8Interchangeable
interchangeable cross-reference
interchangeable
076218Interchangeable
interchangeable cross-reference
interchangeable
25003500P375BInterchangeable
interchangeable cross-reference
interchangeable
PL76222 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CB3-B0-34-615-121-D?
CB3-B0-34-615-121-D is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace CB3-B0-34-615-121-D?
There are 6 known substitutes for CB3-B0-34-615-121-D: 10034255, 509B38-3, 762-1-8 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CB3-B0-34-615-121-D?
CB3-B0-34-615-121-D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-01-691-1934. 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