■ PS200 series pressure switches feature with wide set point range 5"w.c.to 100"w.c. ■ Electrical ratings from 0.1A to 22A, 100,000min.electrical cycles,UL approved. ■ Fixed set point or adjustable set point versions. ■ Can be used as"Air Button Switch"for remote control applications,or used as safety switch in applications where water is used in conjunction with electricity. ■ Most common applications are swimming pools,spas,hot tubs,and sanitary equipment,vacuum cleaner,out door machines,medical equipment. ■ Dustproof construction makes the actuator of microswith operate smoothly even in a dusty work place. ■ Safety cover for selection to prevents electrical shock.