Model Tamper Switches - Electronic Devices



The Potter OSYSU-2 is used to monitor the open position of an OS&Y (outside screw and yoke) type gate valve. This device contains two sets of SPDT (Form C) contacts. These switches mount conveniently to most OS&Y valves ranging in size from 2' to 12' (50mm to 300mm). They will mount on some valves as small as 1/2' (12,5mm). The cover is held in place by two tamper resistant screws that require a special tool to remove. The tool is furnished with each device.

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