The Omron GM-4PDT-12D is a 12 pole, double throw (4PDT) relay. It is rated up to 5A at 24VAC, 8A at 30VAC, or 10A at 30VDC. It has a unique structure that combines two contacts within a single package and has a switching speed of 0.1msecs. It also has a mechanical life of up to 1,000,000 operations. This relay is typically used in applications such as motor control, circuit switching, and power control.