06/02/2026
🔧⚡ Transfer Switch Control Power – Tech Tuesday ⚡🔧
When utility power is lost, an automatic transfer switch must continue to have control power available to detect the outage, initiate generator start-up, and complete the transfer sequence. A UPS is one common solution used to maintain uninterrupted control power during the transition from utility to generator power.
❓ Tech Tuesday Question:
What other methods can be used to provide uninterrupted control power for an automatic transfer switch during the transition period between utility and generator power?
Share your thoughts, experiences, and preferred solutions in the comments below. Let's see how many different approaches our industry has come up with.
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