The ALLEN BRADLEY 845H-SJHZ14CMY2 is an incremental encoder with a 25 size frame and English servo flange configuration. It features a 3/8 inch shaft, operates at 5 V DC with RS-422 DLD interface, and provides 500 pulses per revolution (PPR). This model has a radial side connector and was discontinued by the manufacturer on 07/21/2015. While the original factory warranty is no longer valid, it comes with Beyondtech's warranty.