RSM3485HT with Communication Modules SIP RoHS is a heavy-duty relay manufactured by Zhiyuan. It is a fully automated, 3P4T solid-state relay developed with RoHS compliant components. This relay offers a robust and reliable switching solution for telecom, telecom and data communication, automotive, industrial and home automation applications. It features both high and low trigger signals and switching times of less than 4ms. It supports high voltage, high current, and low temperatures from -40°C to +85°C. It has good EMI immunity and ESD protection, with high MTBF, and a long service life of over one million operations. It is RoHS compliant and supports SIP packaging.