The MGT2440P is a highly reliable plug-in Class II linear power supply providing 24VAC output at 40VA. It is built with a heavy duty case that includes a mounting tab and screw. An auto-resetting PTC fuse provides overload protection. An LED indicates AC power input. The plug includes a ground prong and there are three screw terminals for the output, including ground. The unit is UL cUL 1310 listed.