Product Features

The KBSG Series Mining Explosion-Proof Dry-Type Transformer conforms to the requirements of the standard [GB/T 8286-2005] "Mining Flameproof Movable Substations." 

The insulation material possesses excellent thermal stability. The KBSG Series Mining Explosion-Proof Dry-Type Transformer utilizes Class H or Class C insulation. The cooling method employed is ANAN, suitable for environments such as mines, mining areas, and tunnels with methane-air mixtures and coal dust, where explosive hazards exist. It is also suitable for operation in gas and steam environments that do not corrode metals or compromise insulation, with a rated frequency of 50Hz and a primary voltage of 6kV or 10kV in three-phase power systems without neutral grounding. This KBSG Series Mining Explosion-Proof Dry-Type Transformer provides power to various dynamic equipment and electrical devices in the operational environment.

Model Designation

Operating Conditions

●  Altitude: ≤1000m.

●   Ambient temperature:

         Maximum ambient temperature: +40℃;

         Mean maximum temperature of the hottest month: +30℃

         Mean maximum annual ambient temperature: +20℃;

         Minimum ambient temperature: -5℃.

●  Relative humidity: not exceeding 95% (at +25℃).

●  Suitable for use in underground mines where methane-air mixtures and coal dust are present, with the potential for explosive atmospheres.

●  Suitable for environments with no strong vibrations, impacts, and with a maximum tilt angle of 15° from the vertical plane.

●  Suitable for environments with no gases or vapors that could corrode metals or damage insulation.

●  Suitable for environments without dripping water.

●  Power supply voltage waveform approximately sinusoidal.

●  Suitable for three-phase power supply with approximately balanced voltages.

Note: When exceeding the above conditions, it can be negotiated with our company.

Technical Characteristics