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Transfer Switches - Eaton Cutler Hammer — The design of this transfer switch allows quick removal of the dif-

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

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Procedure

  1. 1. Light to indicate if the Source 1 power source is available.
  2. 2. Light to indicate if the Source 2 power source is available.
  3. 3. Light to indicate if the Source 1position is energized, that is, the Source 1 switching device in the automatic transfer switch is closed.
  4. 4. Light to indicate if the Source 2 position is energized, that is, the Source 2 switching device in the automatic transfer switch is closed.
  5. 5. The Push-To-Test button allows testing of the transfer switch. Pushing the button two times will simulate a power failure, causing the transfer switch to start the transfer sequence. Pressing the button again will restore regular power. Three-position selector switch to control the generator: • AUTO - The intelligence circuit of the transfer switch will start the generator if the Source 1 power source is not available. • OFF - The intelligence circuit of the transfer switch will not be able to start the generator, which eliminates nuisance starts during maintenance. • RUN - The generator will run regardless of the availability of the Source 1 power source. For more information visit: www.Eaton.com IB01602011E Instructional Booklet Page 26 Effective: March 2007 Fixed and Drawout Magnum Transfer Switches

Source: manual:Magnum ATS Instructions.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.