... alarm location, touch the sensitive switch and shut down systems locked. Pull cord switches are two-way touch switch, conveyor ends or middle ... : LXWXH(mm)191x135x109, pull rod length: 203mm.space between switch: recommend 48 m;(less than 60m),there is a support ... system, cranes, excavator 6. ship loading,unloading system 7. The switch safety shutdown system meet the OSHA requirement pull cord switch