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Mining Explosion-Proof and Intrinsically Safe Vacuum Electromagnetic Starter

China Mining Explosion-Proof and Intrinsically Safe Vacuum Electromagnetic Starter, Find details about China Explosion-Proof Soft Starter, Mining Explosion Proof Starter from Mining Explosion-Proof and Intrinsically Safe Vacuum Electromagnetic Starter

Model NO.
QJZ2-200, 300, 400, 500, 630/1140(660)
Origin
China
HS Code
8504231100
Model NO.
QJZ2-200, 300, 400, 500, 630/1140(660)
Origin
China
HS Code
8504231100

                              Mining explosion-proof vacuum starter for coal mine

Main application

The device is used in coal mines containing explosivegas (methane) and coal dust. It is suitable for the circuit center. To local control or remote control the start and stop of AC 50Hz, voltage 1140V, 660V or 380V, ungrounded three- phase asynchronous motor, and can be reversed at the stop.

Technical characteristics

1. Quick opening structure                                   
2. With local control and remote control function                                   
3. With reliable mechanical locking and electrical locking function
                                       
Protection function

With the multiple protection functions as short circuit, overload, leakage and open-phase .

Operating environment
1.It is suitable for underground coal mine with explosive gas;
2.The altitude is not more than 2000 meters, and the ambient pressure is (0.8 ~ 1.1) × 105Pa;
3.Where there is no dripping or water invasion, the ambient temperature is -5ºC ~ +40ºC.
4.The relative humidity of the surrounding air is no more than 95% (+25ºC).
5.Water or other liquids must be prevented from entering the soft starter.
6.On lines Hz, AC 50 voltage of 1140 V or 660 V or 380 V;Gas in the surrounding medium that does not damage the metal or the insulation.
7.Pollution level 3.
8.Installation categories: III class


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Mining Explosion-Proof and Intrinsically Safe Vacuum Electromagnetic Starter



 
Mining Explosion-Proof and Intrinsically Safe Vacuum Electromagnetic Starter
Mining Explosion-Proof and Intrinsically Safe Vacuum Electromagnetic Starter
Mining Explosion-Proof and Intrinsically Safe Vacuum Electromagnetic Starter
Mining Explosion-Proof and Intrinsically Safe Vacuum Electromagnetic Starter



                             
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