A magnetic drive that completely seals the switch compartment from the atmosphere for maximum leak protection is utilized in the Mark 1. The Mark 3 uses the same magnetic drive of the Mark 1, but it can be used for multi-turn applications with 1 to 25 revolutions, such as gate valves. A through shaft drive is incorporated in the Mark 4 making the unit a lower cost alternative to the Mark 1 for applications that are not as demanding.
- 4-20 mA
- SPDT snap
- 10A @ 125/250 VAC, 1/3 hp @ 125/250 VAC, 1/2A @ 125 VDC, 1/4A @ 250 VDC, 4A @ 125 VAC
- direct drive with stainless steel visual indicator
- painted black
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