Applications
 
The watt-hour meter box is mainly used to calculate active or reactive electric power energy in the AC power system, with the frequency of 50Hz, current of 200A or 400A, and voltage of 380V or 660V in the coal mine well or other industrial enterprises, with the surrounding medium containing explosive gases (methane).
主要特征
電表箱由隔爆接線箱與外殼組成。殼內裝有三相三線有功(無功)電度表、電流互感器、電壓互感器等組成。
Features
The watt-hour meter box is composed of the explosion-proof joint box and shell. It’s equipped with the three-phase three-wire active (reactive) watt-hour meter, current transformer and voltage transformer and so on.