Allen-Bradley 800T-H3111A Time Delay Relay

Allen-Bradley 800T-H3111A is a 30 mm diameter rotary selector switch with two selectable positions, designed for panel mounting in industrial control systems. The H3111A variant features a keyed actuator with the key removable from the left side, providing a simple, secure method to lock in a chosen position. As part of the 800T selector switch family, this device is intended for control panels to indicate and select operating modes or to distinguish manual versus automatic control sequences. It accepts compatible 30 mm operator accessories within the 800T line and delivers robust mechanical action suitable for demanding environments, making it well suited for machine controls, conveyors, and process lines where a clear, tactile selector is required. The compact form factor supports tight panel installations, while the two-position configuration keeps wiring straightforward and intuitive for operators.