Mars Air Systems requires
a control panel for all Unheated, 3-phase Air Curtains. It is also required for 115/1/60 and 208-230/1/60, 3-motor units.
This control panel is externally mounted and comes standard with automatic plus manual on/off control.
It is optional on 2-motor 1/6 horsepower, 208-230/1/60 air curtains, and is compatible with 99-124 and 99-125 switches.