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Technical Data Sheet
B-479A-1 ✓ 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 body_style: RECTANGULAR DIMENSIONAL ENVELOPE, storage_type: GENERAL PURPOSE WAREHOUSE, overall_width: 5.210 INCHES NOMINAL IN, overall_height: 5.170 INCHES NOMINAL IN, overall_length: 7.110 INCHES NOMINAL IN, frequency_in_hertz: 60.0 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 5925-00-810-4729, 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 B-479A-1
NSN: 5925-00-810-4729
FSC: 5925
CAGE: 74063 — TE CONNECTIVITY CORPORATION (USA)
SPECIFICATIONS
body_styleRECTANGULAR DIMENSIONAL ENVELOPE
storage_typeGENERAL PURPOSE WAREHOUSE
overall_width5.210 INCHES NOMINAL IN
pole_quantity3
overall_height5.170 INCHES NOMINAL IN
overall_length7.110 INCHES NOMINAL IN
frequency_in_hertz60.0 ALL LOCATIONS
circuit_protection_typeOVERCURRENT ALL LOCATIONS
unthreaded_mounting_hole_diameter0.190 INCHES NOMINAL IN
mounting_facility_type_and_quantity6 TERMINAL
maximum_continuous_load_current_rating_per_pole350.0 AMPERES AC ALL LOCATIONS
operating_voltage_type_and_rating_per_pole_in_volts200.0 AC ALL LOCATIONS
NSN5925-00-810-4729
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN B-479A-1 MFR CIRCUIT BREAKER
KEY FEATURES
FREQUENCY IN HERTZ: 60.0 ALL LOCATIONS
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE: 350.0 AMPERES AC ALL LOCATIONS
POLE QUANTITY: 3
MOUNTING FACILITY TYPE AND QUANTITY: 6 TERMINAL
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS: 200.0 AC ALL LOCATIONS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH7.110 INCHES NOMINAL IN
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE350.0 AMPERES AC ALL LOCATIONS
POLE QUANTITY3
OVERALL WIDTH5.210 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY6 TERMINAL
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS200.0 AC ALL LOCATIONS
OVERALL HEIGHT5.170 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.190 INCHES NOMINAL IN
BODY STYLERECTANGULAR DIMENSIONAL ENVELOPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
E441Interchangeable
interchangeable cross-reference
interchangeable
MB441Interchangeable
interchangeable cross-reference
interchangeable
B441Interchangeable
interchangeable cross-reference
interchangeable
7373926-00Interchangeable
interchangeable cross-reference
interchangeable
1030099Interchangeable
interchangeable cross-reference
interchangeable
14966Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-479A-1?
B-479A-1 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace B-479A-1?
There are 9 known substitutes for B-479A-1: E441, MB441, B441 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-479A-1?
B-479A-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5925-00-810-4729. This indicates validated use in U.S. government and defense supply chains.
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