The model RS pull cord or safety stop control is a cable operated emergency conveyor shut-down device that complies with the OSHA requirement for conveyor safety and personnel guarding.
The housing is cast aluminum, with optional epoxy or polyester coatings available. These coatings will provide protection against corrosion that is equal or greater than cast iron.
The unit is actuated by a cable pulled from either or both directions on every unit; in other words, the unit is "double ended".
The unit is mounted with three (3) 3/8" bolts on the conveyor by drilling (3) 13/32" diameter holes. Please see Installation Instructions. General purpose (weatherproof) units have (3) 3/4" NPT conduit openings.
The units have a dry, unpowered microswitch rated for 20A @ 120 VAC, 240VAC, and 480 VAC.
The operating temperature range is -40ºF (-40ºC) to 150ºF (65ºC).
The general-purpose units are rated NEMA 4/4X weatherproof and corrosion-resistant. Explosionproof units are rated NEMA 7/9 for dust ignitionproof and vapor explosion proof. The dual-rated "D" units are rated NEMA 4 weatherproof and NEMA 9 dust ignitionproof.