The OPB829DZ is a slotted optical switch designed by OPTEK TECHNOLOGY, featuring an 890nm emitter and a NPN phototransistor output. This compact device is housed in a slot that is 0.125" wide and 0.315" deep, allowing for easy integration into various applications. The switch is equipped with 24"/26AWG wires for convenient connection and offers reliable and accurate optical detection and interruption. Its sleek design and high-performance capabilities make it suitable for a wide range of industrial and commercial applications.