Plug-and-Play outdoor controller with 4 x 50A/3pole contactors allowing for a total load of 600A with a minimum power supply of 150A (3-phase power). 230A Max load at 240V supply. Comes in LED enclosure with GFEP protection, built-in Digital controller and ground temperature sensor. 3-Phase power and any transformers are the responsibility of the Electrical Contractor. AirSense sold separately.