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Home›Repair guides›ATC-300 Automatic Transfer Switch Operation

Transfer Switches - Eaton Cutler Hammer — ATC-300 Automatic Transfer Switch Operation

A Transfer Switches - Eaton Cutler Hammer service procedure — check it applies to your exact model before use.

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Procedure

  1. Monitor Source 1 power source for failure.
  2. Upon Source 1 power source failure, initiate automatic transfer to alternative source.
  3. Monitor Source 1 power source for restoration.
  4. Upon Source 1 power source restoration, transfer back to Source 1.

Source: manual:ATC-300 Contactor 3-Position rev2010 IB01602024E.PDF. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.