{"product_id":"otbvr81l-banner-engineering-otb-series-momentary-optical-touch-button-spdt-relay","title":"OTBVR81L | Banner Engineering OTB Series Momentary Optical Touch Button SPDT Relay","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"569\" data-start=\"183\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe Banner Engineering OTBVR81L is a momentary-action optical touch button from the OTB Series designed for non-contact operator input in industrial control systems. Featuring a black field cover and SPDT electromechanical relay output, it operates on 20–30 V AC\/DC power for flexible integration. Its rugged base-mount housing and IP66 protection make it suitable for demanding factory and process environments.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"20\" data-end=\"417\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"20\" data-end=\"417\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 99.2754%; height: 568.22px;\" height=\"422\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eBanner Engineering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eOperator Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eOTBVR81L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eOptical Touch Buttons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eOTB Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eAlternate Mfr Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003e34040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eOperation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eMomentary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eActivation Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eOptical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eSensing Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eSingle Point Optical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eSPDT Electromechanical Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eContact Form\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eSPDT (NO\/NC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003e20–30 V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003ePower Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eAC or DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eMounting Thread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eM30 x 1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eMounting Hole Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eConnection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003e2 m Cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eNumber of Pins\/Conductors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eHousing Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eBase Mount – Saddle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003ePrimary Housing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003ePolycarbonate (Lexan)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eSecondary Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eThermoplastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003ePrimary Housing Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eField Cover Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eIllumination\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eNon-Illuminated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eIP Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eIP66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eNEMA Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003eNEMA 1, 3, 4, 4X, 12, 13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003e-20°C to +50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eMax Relative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003e90% @ 50°C (Non-Condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eResponse Time (Input\/Output)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003e100 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003ePhysical Dimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003e59.9 x 43.2 x 48.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 43.3214%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 56.46%;\"\u003e0.30 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About OTBVR81L\u003c\/h4\u003e\n\u003cp data-end=\"1156\" data-start=\"599\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe OTBVR81L is a base-mount optical touch button engineered within Banner Engineering’s OTB Series for reliable, single-point optical activation. Constructed with a durable polycarbonate (Lexan) housing and thermoplastic components, it is designed to withstand industrial exposure while maintaining consistent actuation performance. The unit supports 20–30 V AC\/DC input power and provides an SPDT electromechanical relay output configurable for normally open or normally closed operation. With an M30 x 1.5 mounting thread and 2-meter cable connection, it integrates easily into operator panels, machinery interfaces, and automated production equipment.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features: \u003cmeta charset=\"utf-8\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMomentary Optical Activation: Provides non-contact, single-point optical sensing for hygienic and low-wear operation.\u003c\/li\u003e\n\u003cli\u003eSPDT Relay Output: Electromechanical relay supports normally open or normally closed configurations.\u003c\/li\u003e\n\u003cli\u003e20–30 V AC\/DC Supply: Compatible with both AC and DC control systems for versatile installation.\u003c\/li\u003e\n\u003cli\u003eRugged IP66 Protection: Sealed housing resists dust and water ingress in industrial settings.\u003c\/li\u003e\n\u003cli\u003eM30 x 1.5 Threaded Mounting: Standard 30 mm mounting size for easy panel integration.\u003c\/li\u003e\n\u003cli\u003eNon-Illuminated Black Field Cover: Designed for applications requiring a non-visual activation surface.\u003c\/li\u003e\n\u003cli\u003eWide Operating Temperature Range: Operates reliably from -20°C to +50°C.\u003c\/li\u003e\n\u003cli\u003ePrewired 2 m Cable: Simplifies wiring and reduces installation time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe OTBVR81L delivers the reliability and precision required for non-contact operator control in industrial automation and machine interface applications.\u003c\/p\u003e","brand":"Banner Engineering","offers":[{"title":"Default Title","offer_id":49104884465920,"sku":"OTBVR81L","price":473.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l1600_649031a0-7a5b-4729-a005-16503093370c.webp?v=1785535288","url":"https:\/\/alotechparts.com\/products\/otbvr81l-banner-engineering-otb-series-momentary-optical-touch-button-spdt-relay","provider":"Alo Tech Solutions","version":"1.0","type":"link"}