The IH switch version features a spring return. The sealing membrane, spring and tactile feedback elements are segregated inside the switch for an extended mechanical life of 5 million cycles. The IH switch version is a 12mm, Normally Open, momentary pushbutton designed to withstand repetitive jogging. It is ideal for positioning loads in material handling, loaders, lifts, trucks, buckets and shovels and other applications requiring continuous operations.