The SSR-30028RD1B is a solid state relay manufactured by QLT Power, featuring 300A capacity and a 4÷16VDC control voltage. It is rated to operate in the 24÷280VAC range and is part of their SSR-R series. This relay is designed to switch large loads in a broad number of applications, from factory automation to building and home automation. It can be used to switch energy-consuming machines such as pumps, fans and compressors, as well as for use with lighting and HVAC systems.Its solid state construction makes it fast and reliable, with a typical switching speed of 4 microseconds. The built-in optimal protection mechanism ensures better immunity against electrical noise and ensures a high level of system stability. Furthermore, its high EMC capability makes it the ideal choice for industrial automation.This highly reliable SSR-30028RD1B from QLT Power is the perfect choice for automated systems in industrial, commercial and residential applications.