100-Amp Automatic Transfer Switching

The PD53-100 automatic transfer switch from Progressive Dynamics automatically senses generator power and prevents two power sources from entering the AC distribution panel simultaneously. Other features include: 

  • Heavy-duty contactors to prevent contact damage during high-current transfer operations.
  • A time delay circuit board to ensure stable generator voltage before transfer.
  • Rugged screw-type wiring terminals that are ready to wire to the contactor base.
  • 120/240-VAC, 100-amp operation.
  • Dimensions of 6 by 12 by 10 inches.

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