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Where are the generator start contacts located in a J-frame Series 300 transfer switch?

Answer: The generator / engine start contacts, designated as terminals 1, 2, and 3, are located on the following:
For OPEN TRANSITION (J3ATS) - LOWER LEFT PORTION of the transfer switch mechanism
For DELAYED TRANSITION (J3ADTS) - UPPER RIGHT PORTION of the transfer switch enclosure
Engine start contacts are NOT ON THE TERMINAL BLOCK FOUND AT THE BOTTOM OF THE GROUP G CONTROLLER.

GROUP G CONTROLLER TERMINAL BLOCK

ENGINE START CONTACT TERMINALS AND LOCATIONCORRECT ENGINE START CONTACTS LOCATIONS ON J-FRAMES

ASCO Power Technologies USA

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