SUNX CX-31A Through-Beam Photoelectric Sensor

SUNX CX-31A Through-Beam Photoelectric Sensor is a compact CX-30 family model built for reliable non-contact presence detection at distances up to 7 m. In this through-beam configuration it detects opaque objects with a minimum diameter of 12 mm and offers a repeatability of 0.5 mm (perpendicular to the sensing axis). It operates on 12–24 V DC ±10% with ripple of 10% or less, drawing 35 mA or less from the emitter and 25 mA or less from the receiver, and the emitter is equipped with a red power indicator LED. This CX-31A variant is listed as a discontinued CX-30 product, with the last time buy date recorded as September 30, 2005.