The IDEC RY2S-UDC12 is a DPDT relay designed for versatile applications, featuring a 12 VDC coil and a 3 A contact rating. It comes with gold-plated contacts for reliable conductivity and durability. The relay offers multiple terminal options including blade plug-in and PCB terminals. Additional features include an optional indicator light, check button, and top mounting bracket for ease of use and monitoring. It can be mounted using various methods such as top mounting, DIN socket, PCB socket, or panel mount socket to suit different installation requirements.