Sumtak LMA-60B-S185Y Optical Rotary Encoder Module

Sumtak LMA-60B-S185Y Optical Rotary Encoder Module is a 60 mm-diameter optical encoder from Sumtak's Optcoder family, designed to convert shaft rotation into electrical pulses for precise position feedback in industrial automation systems. Variants such as LMA-60B-S185YA and LMA-60B-S185YB appear in distributor catalogs, reflecting the same base model with small suffix variations. Sumtak lists the model in its discontinued products catalog, indicating it has moved out of active production. References to LMA-60B-S185Y are found across multiple distributors, including Magenta Electronics, Radwell, Encodermarket, and Hui-Jing, confirming its presence in spare-parts ecosystems.