The IDEC RR3B-ULDC12 is a versatile 3PDT relay designed for efficient operation in various applications. It operates on a 12V DC coil voltage and can handle up to 10A of current. This relay comes with an indicator for easy status checks and includes both pin and blade terminal styles for flexible connections. It also features a check button for test operations and a side flange for secure mounting. Compatible with DIN rail, surface, and panel mount sockets, it offers diverse mounting options to suit different installation requirements.