VSG-12 Indoor High Voltage VCB Vacuum Switch For Switchgear 12kV
The VSG-12 series is a high-performance indoor vacuum circuit breaker designed for 12kV power systems. It utilizes advanced solid sealed pole technology to embed the vacuum interrupter in epoxy resin, ensuring superior insulation and protection in harsh environments. This VCB is a reliable control and protection unit for power grid equipment, capable of frequent operations and multiple short-circuit current interruptions.
Product Overview
The VSG-12 Indoor High Voltage Vacuum Circuit Breaker (VCB) is designed for three-phase A.C. 50Hz indoor power distribution systems with a rated voltage of 12kV. It serves as an essential protection and control unit for power grid networks and industrial/mining enterprises. Whether used for switching various types of loads or operating in demanding conditions, the VSG-12 delivers consistent and safe performance.
Core Technical Features
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Solid Sealed Pole Technology: The main conducting circuit features solid sealed poles where vacuum interrupters and primary parts are cast in epoxy resin, significantly enhancing environmental resistance.
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High Operational Reliability: Engineered for high-frequency switching, this breaker is capable of many operations of breaking short-circuit current.
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Robust Operating Mechanism: Equipped with a reliable spring energy storage mechanism that supports both manual and electromotive operations.
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Versatile Installation: Available in various configurations to suit different switchgear requirements, including the common handcart/withdrawal type for KYN28 cabinets.
Technical Standards & Compliance
This product is manufactured and tested in strict accordance with major domestic and international standards:
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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 VCB.
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IEC 62271-100:2001: International standards for High Voltage AC Circuit Breakers.
Typical Applications
The VSG-12 is ideal for use in:
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Electric network equipment and power grid infrastructure.
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Industrial and mining enterprise power designs.
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Switching loads with high operational frequency.
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