Installation instructions: Supplied with unit, Number of ports: 1 Port, Method of mounting: Fixed. DIN Rail mount, Input voltage: 380-480vac 3P, Protection modes: Line-Earth, Neutral-Earth, Safety disconnect: Series thermal fusing on MOV’s, Terminations: Power 16mm², Enclosure rating: IP20, Environment: -10 to 60°C, 0 to 95%RH (non-condensing), Warranty: 05 Years The SPD360Gi is designed to protect three phase power systems against damage from surges and spikes caused by lightning and other electricalsources. The unit is intended for point of entry or main board protection.