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Bard part number 8615-079BX is an OEM 20 amp circuit breaker rated for 125 VDC, supplied boxed, used to help protect Bard wall-mount HVAC equipment by opening the circuit during an overload or fault condition. This breaker is selected by Bard for proper coordination with the unit’s electrical panel and wiring, so replacing a weak or nuisance-tripping breaker with the correct OEM part helps restore reliable operation and safer service access. Confirm the breaker rating and application against your unit model and wiring diagram before ordering, since breaker style and mounting can vary by series and revision.
Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.
A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.
Example: 8406-142BX is physically identical to 8406-142.