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Bard 8407-078BX - 3 Phase Power Transformer

Bard 8407-078BX is an OEM boxed power transformer used in Bard wall mounted HVAC equipment to step the available three phase supply down as required by the unit, listed by Bard as a 9 kVA transformer with 600V and 460V primary options. This transformer is a direct fit replacement intended to restore proper voltage matching and dependable operation after a failed or overheating transformer, and it is the correct choice when you need the exact Bard specified kVA rating and primary taps for your model and jobsite power. Confirm primary voltage requirements and unit compatibility from the Bard parts list or service manual before ordering to ensure the replacement matches your unit wiring and application.


  • Technical Specifications
  • Product number: 8407-078BX
  • Manufacturer description: Trnsfr 3PH 9Kva 600V/460V-Box
  • HTS Code: "8504.31.4035"

$5,454.00 *

* Orders less than $50 may incure a minimum order fee.

What does the "BX" suffix mean?

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.