VSG-12 Indoor High Voltage Handcart With Solid Sealed Pole Vacuum Circuit Breaker
The VSG-12 Series Indoor High Voltage Vacuum Circuit Breaker is a premier protective and control unit designed for triphase A.C. 50Hz indoor power distribution systems with a rated voltage of 12kV. This model features advanced Solid Sealed Pole technology, where the vacuum interrupter and main circuit parts are embedded in epoxy resin to ensure maximum reliability in harsh environments.
The handcart design allows for seamless integration and maintenance within switchgear cabinets, such as KYN28. Engineered for high performance, it is capable of frequent operations and multiple short-circuit current interruptions, fully complying with GB1984-2003, JB3855-1996, and IEC 62271-100:2001 standards.
Product Overview
The VSG-12 series is an advanced indoor high-voltage switchgear designed for three-phase AC 50Hz power systems with a rated voltage of 12kV. This vacuum circuit breaker (VCB) serves as a critical protection and control unit for power grid equipment and industrial power systems. It is specifically engineered to handle diverse load properties and is capable of frequent operations, including multiple interruptions of short-circuit currents.
Key Technical Features
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Solid Sealed Pole Technology: The main conducting circuit utilizes solid sealed poles, where vacuum interrupters and primary circuit parts are embedded in epoxy resin. This provides superior insulation and protection against environmental factors like dust and humidity.
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Handcart Design: The withdrawable handcart structure allows for easy installation and maintenance within medium voltage switchgear cabinets, such as the KYN28 series.
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High Reliability: Designed for long mechanical life and high endurance, making it ideal for sites requiring frequent switching.
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Intelligent Engineering: Features a dynamic design suitable for the rigorous demands of industrial and mining enterprises.
Standards and Compliance
This product is manufactured and tested to meet the most stringent domestic and international requirements:
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GB1984-2003: High Voltage AC Circuit Breaker.
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JB3855-1996: 3.6-40.5kV Indoor AC High Voltage Vacuum Circuit Breaker.
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DL403-2000: Technical conditions for ordering 12-40.5kV High Voltage Vacuum Circuit Breakers.
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IEC 62271-100:2001: International standards for High Voltage AC Circuit Breakers.
Application Environment
For optimal performance, the VSG-12 should be operated under the following conditions:
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Ambient Temperature: Ranges from -10°C to +40°C.
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Altitude: Suitable for installations at heights ≤1000 meters.
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Relative Humidity: Daily average ≤95%; Monthly average ≤90%.
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Safety Requirements: The installation site must be free from dust, smoke, corrosive or flammable gases, and severe mechanical vibration.
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