Product Description 2.1 Power supply A) rated supply voltage: 220V. B) Rated frequency: 60Hz, tolerance: -5% - + 5%; 2.2 Dimensions L × W × H = 1500mm × 500mm × 1500mm 2.3 devices at a temperature temperature -10 ℃ ~ + 55 ℃, due to the action value deterioration caused by temperature changes little. Good insulation performance of the equipment 2.4 insulation, prevent leakage occurred.