The RM1A48D25 is a panel-mounted solid state relay featuring zero-cross switching, with an operating voltage range of 42-530 VAC (1200 VP) and rated current of 25 AAC. It includes built-in overvoltage protection and operates with a control voltage of 4-32 VDC. This 1-pole SSR is designed for 480V applications with a 25 AMP capacity, equipped with 4.5-32 VDC LED indicator.