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You can control an AC device using a relay. The important relay parameters are:
Maximum contact voltage. Contact voltage ratings are different for AC and DC loads.
Maximum load current. Relay current ratings are different for resistive, lamp, inductive loads.
The coil drive voltage that is available. Relay coils come in various voltage ratings. Some relays are designed for operation with DC coil voltages; some are designed for AC coil voltages.
Solid state relays are also available in various voltage and current ratings.
I can be more specific if I iknow your actual application.