The IDEC RSSDN-90 A is a high-performance solid-state relay designed for surface mounting. It handles loads up to 90 A with an input range of 4-32 VDC and an output range of 48-660 VAC. The relay features dual SCR outputs for reliable switching and a direct bond copper substrate for efficient heat dissipation. It includes internal transient protection with a built-in snubber, ensuring EMC compliance to level 3 standards. With 1200V blocking voltage, 4000V optical isolation, and zero crossing turn-on, it offers robust performance in demanding applications. An optional finger safe cover is available for enhanced safety.