overload switch- 超载限制开关
tour switch-估计想当于tirp switch,行程开关
(Electronics) an electric switch arranged to interrupt a circuit suddenly and disconnect power from a running machine so that the machine is stopped)
H limit switch- 应该是高度限位开关
建议跟客户问清楚--这些零件是配在何种型号何种设备上的,最好有零件号,才能避免错误哦。