Allen-Bradley WorldProx™ 871TM-BH4N12-A5 PLC Interfacer Unshielded Inductive Proximity Sensor, Inductive Sensing Method, 2-Wire AC/DC Output, 1NO Contact Configuration, 20 to 250 VAC, 35 Hz Switching Speed

Bulletin 871TM tubular stainless steel sensors are ideal for harsh or extremely demanding environments. These sensors resist impact, abrasion and corrosion to keep things moving where ordinary sensors grind to a halt. This line features full mechanical seals at all barrel openings and full epoxy encapsulation for optimal performance in the toughest environments.