Allen-Bradley 845H-SJHZ14FWY2C Incremental Encoder

Allen-Bradley 845H-SJHZ14FWY2C is a 25 mm optical incremental encoder designed to deliver dependable position feedback in industrial automation. Operating from a 5 VDC supply, this incremental encoder outputs quadrature-style signals to provide precise shaft position and speed information for motion control, servo drives, and CNC tooling where high-resolution feedback is required. The unit carries a rugged NEMA 4/Type 13 enclosure, helping protect the internal optics and electronics from dust, moisture, and washdown environments typically found on factory floors. It is specified for 1024 pulses per revolution, offering solid resolution for medium- to high-precision applications, and a published data-output frequency up to 210 kHz, enabling reliable performance at relatively fast rotation rates. As part of Allen-Bradley’s 845H family, it combines durable construction with standard hardware interfaces common in Rockwell Automation installations, making it a compatible choice for retrofit or new-build systems that already use AB components. This model’s combination of small footprint, 5 VDC operation, 1024 PPR, and robust enclosure makes it well-suited for automated conveyors, packaging lines, material handling, and machine tooling where accurate incremental feedback is essential.