One-Way Actuation Switch – SN4170 series SN4170-SL7 SUNS

Possible Applications

This one-way actuation switch is typically deployed in automated material handling systems, CNC machining centers, and heavy-duty conveyor networks where precise mechanical end-of-travel detection is required. Because the actuator permits movement in only a single direction while ignoring the reverse stroke, it prevents false triggering during complex cyclical operations like indexing tables or sliding safety guards. The robust metal housing withstands aggressive industrial environments containing metal shavings, coolants, and airborne particulate matter commonly found in stamping presses, automated assembly lines, and robotic cell perimeter interlocks. The absence of a mechanical reset mechanism makes it particularly effective in fail-safe safety circuits and dedicated positioning jigs where the actuator must be manually cleared or reset through a separate system sequence.

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