limit switch

基本解释

Limit switch, directly actuated, spring returned, normally open. Right-click for open or held closed.
限制开关，直接启动，弹簧复位，正常情况下为断路。右击断开或保持闭合。
Limit switch, directly actuated, spring returned, normally closed. Right-click for closed or held open.
限制开关，直接启动，弹簧复位，正常情况下为闭合。右击接通或保持断开。
Limit switch, directly actuated, spring returned, normally closed. Switch can be specified as open or closed.
直接启动、弹簧复位、正常闭合的限制开关。可指定开关为断开或闭合。

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