Banner Engineering Q459E Intrinsically Safe Proximity Sensor

The Banner Engineering Q459E is a rugged NAMUR emitter in the Q45 Series designed for intrinsically safe operation in hazardous environments when used with an approved amplifier or barrier. This DC proximity emitter uses an infrared LED sensing beam and delivers a maximum sensing distance of 6,000 mm (6 m) in opposed mode, with a 5–15 V DC supply and a 2‑pin cable connection. The Q459E features a 30 mm thermoplastic housing with an acrylic lens, an IP67 rating, a NEMA 4X compatibility, and a -40 to 70 °C operating range, with the W/30 version providing a 9 m (30 ft) cable. Banner lists the Q459E W/30 as obsolete, so customers should consult Banner for replacement options; the device is designed for use with approved amplifiers and intrinsically safe barriers in explosive environments as part of NAMUR sensor configurations.