The rotary changeover switch is available as a single pole changeover switch, a four pole changeover switch, and also in 2 and 3 pole changeover switches for applications in industrial control, instrumentation, and machinery. The rotary changeover switch line is available in one to four poles, from 12 to 175 amps. The silver alloy contacts on the rotary cam changeover switch, which are a double break, feature a unique design that maintains high pressure for increased contact reliability and long life and are available in gold plating for low power applications