Allen-Bradley 800MR-JH2BLA 3-Position Maintained Selector Switch

Allen-Bradley 800MR-JH2BLA is a three-position maintained selector switch with a black knob, designed for panel mounting in industrial control applications. As part of Rockwell Automation’s 800MR family, this unit offers three distinct operator positions that hold their setting after actuation, delivering a reliable manual interface for selecting machine modes, process steps, or control sequences in equipment such as conveyors, presses, or packaging lines. The 800MR-JH2BLA is specified as a maintained selector switch with a standard knob configuration, compatible with other 800MR components and mounting accessories typical of this family; for the exact electrical contact arrangement, mechanical dimensions, and panel cutout requirements, consult the official Rockwell catalog entry for 800MR-JH2BLA. The product’s rugged construction is intended for demanding industrial environments, where simple, unambiguous operator input is critical to safe and predictable machine operation.