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Touch Button Switch, Momentary, Normally Open/Normally Closed, Relay, 20 to 30 V, IP66, STB Series


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STBVR81Q   Datasheet
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STB Series


Non Illuminated

Normally Open, Normally Closed





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Technical Documents (2)

Product Overview

STBVR81Q is an STB series self-checking optical safety touch button. It is ergonomically designed to eliminate hand, wrist, and arm stresses associated with repeated switch operation; it requires no physical pressure to operate. It is compatible with the AT-FM-10K two-hand control module, XS/SC26 safety controllers, and SC10 safety controller DUO-TOUCH® SG.
  • Continuous internal self-checking operation, LED power, output, and fault indicators
  • Diverse-redundant microcontroller-based photoelectric touch buttons
  • High excess gain cuts through heavy contamination, immune to ambient light, EMI and RFI interference
  • Pre-installed field covers protect the device and prevent inadvertent activation
  • 5-pin 7/8 in-16UNF quick disconnect cable, 20VAC/DC to 30VAC/DC supply voltage range
  • Two individual complementary relays output type
  • IP66 IP rating, base mount - saddle housing style, black primary housing colour
  • Thermoplastic polyetherimide primary housing material, integral QD connection
  • 20ms max output response time, NEMA 1, 3, 4, 4X, 12, 13 NEMA type and UL type rating
  • High temperature is 50°C (up to 100°C)


Use adequate point-of-operation guarding. Failure to properly guard hazardous machinery can result in a dangerous condition that could lead to serious injury or death.

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