The 4 Road RS485 Communication Relay Module is a robust solid-state relay designed to enhance the output load capacity of PLCs, making it ideal for equipment applications in various industrial settings. With a compact subminiature design, it operates efficiently under extreme conditions, featuring a wide temperature range of -30℃ to 80℃. The module integrates the Modbus protocol for reliable RS485 communication and includes an address switch for easy configuration. Explore bulk ordering options to meet your business needs with this reliable solution that ensures seamless operation and high power contact load capabilities.