The ALLEN BRADLEY 845H-SJDZ14ELY1C is a discontinued incremental encoder (manufacturer discontinued production on 07/21/2015) featuring size 25 square flange design with 3/8 inch shaft. It operates at 5V DC power supply with DLD 5V DC RS-422 output, providing 1200 pulses per revolution (PPR). The unit comes with axial connector (end) and mating connector. Note: Original factory warranty does not apply, but includes Beyondtech's warranty coverage.