Bently Nevada 3500/33-01-00 149986-01 6-Channel Relay Module is an industrial grade expansion unit suitable for 3500 mechanical equipment protection systems, specifically designed for multi-channel relay control. It adopts high-performance independent relays to achieve stable output, and integrates overload protection function to extend the service life of the module. This product has excellent anti electromagnetic interference performance and is suitable for high-temperature industrial environments such as refineries and steel mills. It supports real-time status feedback to 3500 racks and maintains stable relay action to ensure the safety protection of critical rotating machinery.