Banner Engineering OTBVR81L Photoelectric Sensor

OTBVR81L is Banner Engineering’s optical touch-button style photoelectric sensor in the OTB Series, designed for momentary-action control with an integrated SPDT electromecanical relay output. The unit features a polycarbonate upper housing and a 2 m integral cable for simple installation, with mounting options that include surface or base mounting and compatibility with a 30 mm through-hole. It operates from a supply in the 10–30 V range (DC), and the touch activation closes or opens the SPDT output to control linked devices or circuits. This model is part of Banner’s optical-touch family and can participate in DUO-TOUCH configurations, which require two OTB devices for two-hand control safety. Typical applications include start/enable switches and operator interfaces on industrial machinery, control panels, and safety interlocks where a hands-on, tactile input is preferred. The OTBVR81L line is designed to integrate with Banner’s ecosystem of OTB components, offering a compact footprint and straightforward wiring while delivering a reliable touch-triggered relay output for momentary control in industrial environments.