Banner Engineering OTBVR81QD Optical Touch Button

Banner Engineering's OTBVR81QD Optical Touch Button is a momentary-action, single-beam touch switch in the OPTO-TOUCH OTB Series that replaces capacitive switches and mechanical push buttons with a compact, base-mount option featuring a black field cover. It operates from 20-30 V AC or DC and provides an SPDT electromechanical relay output (normally open/normally closed) housed in a thermoplastic polysulfone upper shell with integral quick-disconnect connections. The unit measures 59.9 × 43.2 × 48.0 mm, uses a single optical beam, and carries IP66 environmental protection, with a mounting thread of M30 × 1.5 and a 7/8 in. (Mini) quick-disconnect. Designed for industrial controls, it offers a momentary action and is intended to replace traditional touch switches and pushbuttons in harsh environments.