One-Way Actuation Switch – SN2170 series SN2170-SL SUNS

Possible Applications

The SN2170-SL is engineered for directional position sensing in automated conveyor systems and material handling equipment where mechanical components must trigger a signal only when moving in one specific direction. Its robust metal housing makes it ideal for harsh industrial environments like automotive assembly lines or packaging plants, where the switch reliably detects the passage of parts or pallets without being damaged by reverse-travel contact. Because it lacks a reset mechanism, it is particularly effective in safety-interlock circuits or sequence-control logic where a single-pass actuation must be captured to confirm the completion of a specific mechanical cycle. This configuration ensures precise control over indexing operations and prevents false triggering during the return stroke of reciprocating machinery.

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