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Help CenterMining Explosion-proof Ventilator With Dual Power Electromagnetic Starter
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Purposes
Used in coal mine or underground where exists methane compound gases and dangerous explosive gases, it applys for the power supply network with AC50Hz rated 1140V, 660V, 380V, neutral point not earthing directly. It controls the duel power and duel-fan auto-exchange, realize the switch model between main duel-power supply of fans and fault ones, assuring the underground well ventilated, It is the best choose of ventilated power supply equipment for high density gases situation.
Technical Features
Two independent power, two sets of independent explosion-proof chambers, one could be fault detected, while the other side still working normally;
One starter with the main,and spare two fans;
With the function of auto-switch between duel-power and duel-fan, the switch time between main and spare fan is 0-30s(adjustable);
With the protection of short circuit, overload, phase-lose, leakage atresia, under-voltage, over-voltage absorption and so on.
With the function of gas, wind-eletricity interlock;
No. of Branch circuit : 2.
| Rated Voltage(v) | 1140/660/380 |
| Rated Current(A) | 120+120,80+80 |
| Max Power(KW) | 165(105,60),110(70,40) |
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