PSI Woodworking Products LR220-3 220V Long Ranger Dust Collector Switch
Remote Control Transmitter and Receiver, 220 volt, handles up to a 2.5 maximum HP motor, 20 amp relay receiver. Turn on a dust collector from anywhere in the shop with the remote dust collector switch.Grounded with reset button, uses R.F. signal, which is not affected by outside interference by large TV's transformers, electrical noise, or 3 phase power sources.