Air Electric Switch, 10 PSI, Normally Open, to fit A-dec® Handpiece Control (A-dec® #044.158.00) Activated at 10 PSI or 25 PSI On/off control of up to 120Volt, 1 amp 125 PSI max Normally open or closed 0-60 PSI reading 1/2" H x 1 3/4" W For air only Vibration & shock resistant Replaces 24V Volt/150 Watt bulbs in older 6300 lights A-dec® is a registered trademark of A-dec, Inc. DCI has no affiliation with A-dec and A-dec has not authorized DCI replacement parts to be used on or in connection with A-dec® products.