The IDEC RU42S-D6 is a 4PDT 3 A 6 VDC 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 boasts a lead-free construction without internal wires and cadmium-free contacts, ensuring compliance with environmental standards. It is UL Recognized, CSA Certified, and EN Compliant, making it suitable for a wide range of applications while maintaining safety and quality.