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Mine flameproof and intrinsically safe AC variable frequency speed control device

Product number: 201711291629206489
Place of Origin: China - Shandong - Zibo
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Product Details

Mine explosion-proof and intrinsically safe AC variable frequency speed control device for coal mine and other surrounding media containing methane and coal dust mixture of explosive gas environment is used for mine shaft three-phase motor speed adjustment and has short circuit protection , Leakage protection, insulation protection and other comprehensive protection of explosion-proof electrical equipment used in the exchange of 50Hz voltage, 1140V / (660V) total current to 380A and below the line.

Conditions of Use:

1. Altitude does not exceed 2000m.

2. Environmental medium temperature does not exceed +40 , not less than -20 .

3. The relative humidity of air is not more than 95% (+25 ).

4. No strong bumpy vibration.

5. Containing explosive methane, coal dust in the air, but not enough to corrode the metal and destroy the insulation of gas and steam.

Features:

1. Combined unitized housing for electric locomotives.

2. Flameproof housings for internal components ensure safe use in all areas downhole.

3. Power control system uses vacuum heat pipe cooling, with good cooling performance.

4. Intrinsic safety control and information feedback system.

5. Applicable to all types of mining motor.

Type number

Rated voltage

Control motor power

Controllable motor speed


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