A pressure-operated electrical device for controlling material levels, signal systems and equipment motor switches. May be installed in single or multiple units. Can be installed in any position without counterweighing the switch. Easily adjustable for maximum sensitivity to various material weight conditions. Switch has a neoprene diaphragm and operates on 125, 250V or 460V A.C. Net wt. 5 lbs. Ship wt. 7 lbs. Ship Dims. 6" L x 6" W x 4"H.