Allen-Bradley 802T-AT Oil Tight Limit Switch Operator Head

Allen-Bradley 802T-AT Oil Tight Limit Switch Operator Head is the operator head component for Allen-Bradley limit switches, identified by the model 802T-AT with documentation referencing W-21169. This oil-tight design serves as the actuating interface on compatible limit-switch assemblies, translating mechanical motion from the actuator into the electrical signal that drives control circuits. The 802T-AT designation specifies the exact operator head style within the Allen-Bradley family, facilitating correct identification for procurement and maintenance. In industrial automation, operator heads like the 802T-AT are used to implement machine stopping or starting logic via the connected limit switch, particularly in environments where oil exposure is a concern. The W-21169 reference ties this head to its documented configuration within the Allen-Bradley cataloging system.