The Zettler AZ6991-1C-24DE Relay is an electromagnetic, single-pole double-throw (SPDT) relay with an operating coil of 24 volts DC and capable of handling 8 amperes at 277 volts AC and 6 amperes at 30 volts DC. This relay is designed for switching of AC and DC current, and may be used in various applications such as controllers, timers, alarms, and motor control. This device has a sealed construction that helps protect it from dust, moisture, and other contaminants, acting as a barrier and enhancing its durability, and it has been UL recognized.