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Bard 8401-025BX - 2-pole 24V 40A contactor

Bard part number 8401-025BX is a boxed, OEM 2-pole contactor rated for a 24V control coil and 40 amps, used in Bard wall-mounted HVAC units to reliably switch line voltage to loads like the compressor and condenser fan when the thermostat calls. A failing contactor can cause no-cool, intermittent operation, chattering, or burned contacts, so replacing it with the correct Bard-specified contactor helps restore proper starting and protects other electrical components. Verify your unit model and wiring configuration before ordering to confirm this 2-pole, 40A, 24V coil contactor is the right fit for your Bard equipment.


  • Technical Specifications
  • Product number: 8401-025BX
  • Manufacturer description: Contactor 2-Pole 40 Amp-Boxed
  • Weight: 1.000 lbs
  • HTS Code: "8536.49.0065"
  • Country of Origin: China

  • Previous Versions
  • 8401-010 (Obsolete, superseded by 8401-025BX)
  • 8401-025 (Obsolete, superseded by 8401-025BX)
  • S8401-025 (Obsolete, superseded by 8401-025BX)
  • 8401-016 (Obsolete, superseded by 8401-025)
  • 8401-003 (Obsolete, superseded by 8401-016)

$44.00 *

* 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.