Yamatake-Honeywell 1LS19-J Rocker Arm Cam Roller Limit Switch

The Yamatake-Honeywell 1LS19-J Rocker Arm Cam Roller Limit Switch is a rugged, machine-mounted device designed for precise position sensing and travel-limit detection in industrial automation and control systems. It is commonly installed in conveyors, transfer equipment, packaging machinery, and automated production lines to provide reliable, mechanically actuated switching signals for equipment monitoring and control. Key specifications include manufacturer Yamatake-Honeywell, part number 1LS19-J, voltage rating of 480 VAC, and an actuator type that uses a rocker arm with cam roller paired to an industrial mechanical contact assembly for robust operation. The switch supports industrial automation applications for equipment position monitoring and machine control and is designed for use in industrial manufacturing environments requiring durable switching performance. Common replacements include Omron WLNJ-30, Honeywell GLS Series Roller Arm Limit Switch, and Allen-Bradley 802T-ATP Heavy-Duty Limit Switch.