The IDEC RSCDN-20 A is a robust solid state relay designed for efficient heat management and high current output, with a 20 A output capacity and a 4-32 VDC input range. Its slim profile facilitates both DIN rail and panel mounting, while the built-in heat sink ensures optimal performance. The relay features zero voltage switching, back-to-back SCR output for enhanced reliability, and Direct Bond Copper substrate construction for improved thermal efficiency. Safety is prioritized with finger-safe terminals and built-in transient protection. It meets stringent industry standards with UL508 endurance rating, UL Recognition, TUV Approval, CE Marking, RoHS compliance, and EMC (Level 3) & IEC 62314 compliance.