High-Voltage Switchgearfor Mining Use
Maximum Voltage: 12kV
Frequency: 50Hz
Rated Current: 50A / 75A / 100A / 150A / 200A / 250A / 300A / 400A / 500A / 630A / 800A / 1000A / 1250A
Operating Circuit: =110V / ~127V / =220V
Enclosure Degree: IP54 / IP43 / IP33 / IP32 / IP31
Zhejiang Tianrun Electric Co., Ltd. is one of the leading manufacturers and suppliers of high-voltage switchgearfor mining use in China. We are committed to providing high quality customized products with competitive price. We warmly welcome you to buy bulk advanced high-voltage switchgearfor mining use from our factory. Also, quotation is available.
Product Overview
The GKG-1250/10(6) (original KGS1-12) general-purpose mining high-voltage switchgear is a distribution panel for 3.6–12kV three-phase AC systems, used for power reception, distribution and starting of large high-voltage motors. Suitable for substations in coal mines, metro, wind power, residential, industrial and mining enterprises, it features control, protection and monitoring functions and complies with general-purpose mining electrical equipment standards. Equipped with comprehensive interlocking devices to prevent the circuit breaker handcart from being pushed in/pulled out under load and to prevent closing before the grounding switch is closed, it is suitable for supply and distribution in underground and surface substations of coal mines and metal/non-metal mines.
Type Designation
Note: Mining safety mark (Safety mark number 630A: KAD230061; 1250A: KAD230061)
Mining general-purpose mark (Certificate number: KA2022W1281-1/2)
Product Features
Wide application
Suitable for three-phase AC high-voltage distribution systems, used for power reception, distribution and high-voltage motor starting, with control, protection and monitoring functions.
Proper interlocking and protection
Mechanical interlocking helps prevent handcart operation under load and mis-closing; the door stays closed during handcart movement for sustained protection, and the grounding switch can be operated without opening the door.
Safe pressure relief
Each compartment has an independent pressure relief channel for effective fault pressure relief.
Compact and customizable
Compact cabinet width can be customized on request, and the product is suitable for high-altitude areas.
Refined structure
The cabinet is made of quality steel with metal partitions separating handcart, busbar, cable and relay compartments, offering good corrosion resistance and mechanical strength.
Versatile interchangeable handcarts
Including circuit breaker, PT and metering handcarts of interchangeable same-specification type, with optional intelligent control.
|
Item |
Standards |
|
Rated voltage |
6kV 10kV |
|
Maximum Voltage |
12kV |
|
Rated Frequency |
50Hz |
|
Rated current |
50A / 75A / 100A / 150A / 200A / 250A / 300A / 400A / 500A / 630A / 800A / 1000A / 1250A |
|
Rated short-Circuit Making Current |
80kA |
|
Rated Short-Circuit Breaking Current |
16kA / 20kA / 25kA / 31.5kA |
|
Rated short-Time withstand Current |
16kA / 20kA / 25kA / 31.5kA |
|
Rated Peak Withstand Current |
40kA / 50kA / 63kA / 80kA |
|
Rated Voltage of Operating Circuit |
=110V / ~127V / =220V |
|
Degree of Protection for Enclosure |
IP54 / IP43 / IP33 / IP32 / IP31 |
Operating Environmental Condition
- Ambient temperature: not higher than +40℃, not lower than -25℃;
- Altitude: ≤2000m; when using high-altitude cabinet type: >2000m~5000m;
- Relative humidity of surrounding air: not greater than 95% (at 25℃);
- In a place without oscillation and impact vibration;
- In an environment without damaging insulation and corroding metal gases and vapors.
Application
Underground mines
Power reception and distribution in underground substations of coal mines and metal/non-metal mines.
Mine surface
Power supply and distribution equipment in surface substations and distribution stations of mines.
Coal and mining enterprises
High-voltage distribution systems in coal mines, coal preparation plants and other mining enterprises.
Urban rail transit
Substations along metro and urban rail transit lines.
Renewable energy
Step-up and distribution systems in wind farms.
Industrial & civil buildings
Power reception, distribution and large high-voltage motor starting in industrial enterprises and residential substations.
FAQ
Q: What is the GKG distribution panel?
A: The GKG general-purpose mining high-voltage switchgear is a complete distribution panel for three-phase AC high-voltage systems, used for power reception, distribution and high-voltage motor starting, with control, protection and monitoring functions.
Q: What is the GKG distribution panel main purpose?
A: To receive and distribute electrical energy and start large high-voltage motors in three-phase AC high-voltage distribution systems, with control, protection and monitoring functions.
Q: What is the handcart?
A: The handcart is a withdrawable functional-unit carrier on which devices such as circuit breakers and potential transformers are mounted, sliding into the working position or out to the test or maintenance position.
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