The IDEC RU42S-R-A220 is a 4PDT bifurcated 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. For safety and quality assurance, it is UL Recognized, CSA Certified, and EN Compliant, suitable for a wide range of applications.