Features: 1, the best humane man-machine design 2, IP65 protection class 3, connecting cable with aviation materials, can be grounded hauled more than 10,000 times, with the industry's highest level of 4, in line with the standard of Shenzhen, the Ministry of standards, national standard, IEC62196 / 61850-2010 Product parameters: Voltage: 220 ~ 240V AC (up to 400VAC) using current: 16 ~ 63A (up to 85A) Operating temperature: -40 ℃ ~ 90 ℃ life: more than 10,000 times double IP65 waterproof rating protection of the connecting cable can be grounded by air drag material more than 10,000 times.