... explosion-proof PTZ is designed for use in explosive atmosphere such as gas group C (typical gas vapours: hydrogen, acetylene, ethene, coke-oven gas and ... capacity, smooth rotation, smaller noise and high reliability. With highest compound explosion-proof certification, it has proper configuration, ... wheel, worm, gear sturcture * Voltage: 24V DC / 220V AC* Current: 2 / 0.5 A* Optional function:Heater, ...