ABB LS45M21B11 Limit Switch

The ABB LS45M21B11 Limit Switch is a rugged lever-actuated snap-action switch designed for industrial automation, delivering reliable position sensing and end-of-travel control. It finds use in conveyor systems, packaging equipment, machine tools, and material-handling processes where repeatable switching is essential. This limit switch features a lever-type actuator, a 1 NO + 1 NC contact configuration, and a snap-action switching mechanism, all housed in an industrial metal/plastic enclosure with IP65 protection. It supports voltages up to 240 VAC or 250 VDC and a rated current of 5–10 A (application dependent), operates from -20°C to +85°C, and offers panel or surface mounting with threaded conduit entry for cable connections.