Omron E3FA-BN11 2M is an NPN coaxial retro-reflective photoelectric sensor with a 500 mm sensing distance and a pre-wired 2 m cable. It works with a reflector, and its coaxial optics with the P-opaquing function help detect transparent objects such as bottles and films. It is part of the Omron E3FA Series. Explore more Omron photoelectric sensors.