SICK HTB18-P4A2BB Hybrid Photoelectric Sensor

SICK HTB18-P4A2BB is a blue, M18-thread hybrid photoelectric sensor from SICK's H18 Sure Sense family, engineered for tight mounting on conveyors and packaging lines, with overall dimensions of 16.2 x 48.5 x 31.8 mm and M18 head/side mounting options. The device leverages a background-suppression sensing principle and incorporates a 631 nm emission to detect foreground objects against complex backgrounds. With a sensing range up to 300 mm and a 4-pin M12 connector delivering a PNP output, HTB18-P4A2BB provides straightforward PLC interfacing, and its identity is confirmed by part number 1073431. Designed for industrial automation applications that demand precise presence/absence feedback with background discrimination, this sensor offers the durability and form factor typical of SICK's proximity sensing solutions.