The IDEC RU42S-D48 is a 4PDT plug-in relay designed for versatility and environmental consideration. It features a non-polarized LED indicator, mechanical flag indicator, and snap-on yellow marking plate with additional options available. The relay's lead-free construction and cadmium-free contacts ensure eco-friendly operation. Recognized by UL, certified by CSA, and compliant with EN standards, this 3 A 48 VDC relay meets rigorous safety and quality requirements.