VTZ-12 Vacuum Circuit Breaker
1. Rated Voltage: 12kV. 2. Operating Mechanism: Modular operating mechanism.. 3. Installation Method: Center-mounted handcart or fixed cabinet.. 4. Compatible Cabinet: Compatible with KYN28-12 switchgear, XGN-12 fixed cabinets, HXGN-12 series ring main units.. 5. Product Compliance with Standards: GB/T1984-2014, GB/T11022-2011.. 6. Product Advantages: E2-C2-M2 performance, convenient maintenance, high conductivity performance, wide application range, and supports intelligent customization..
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ZW7-40.5 Outdoor Vacuum Circuit Breaker
1. Rated Voltage: 40.5kV. 2. Operating Mechanism: Modular operating mechanism.. 3. Installation Method: Fixed installation with outdoor support.. 4. Product Compliance with Standards: GB/T1984-2014, GB/T11022-2011.. 5. Product Advantages: E2-C2-M2 performance, convenient maintenance, standardized outdoor design, wide range of applications..
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JDZW-35 Voltage Transformer
1.Rated voltage：40.5kV. 2.Accurate level:0.2/0.5/6P. 3.Primary voltage:35/√3. 4.Secondary voltage：100/√3 100/3. 5.Rated insulation level:40.5/90/200kV. 5.
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GCS Low Voltage withdrawable Switchgear
Products Description GCS low voltage withdrawable switchgear is suitable for power plants, petrochemical industry, metallurgy, textile, high-rise building power supply and other industries. It is used in large power plants, petrochemical industry and other places with high degree of automation...
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About Us
Shaanxi West Power Tongzhong Electrical Co., Ltd. is a leading manufacturer with over 20 years of experience, specializing in high quality 6 to 40.5kV vacuum circuit breakers, switchgears, and a wide range of electrical products. Our advanced manufacturing process ensures reliable, durable solutions, especially our VTZ series vacuum circuit breakers, which are maintenance-free for up to 20 years. With a team of expert technicians, we excel in R&D, manufacturing, and after-sales service for both high and low voltage equipment, delivering excellence at every stage.
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Focus on R&D
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Quality Ensure
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Rich Experience
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After-sales Service
News Center
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![Controlled Switching Breaker Achieves 1ms Precision – Enabling A “Soft Landin...]()
01SepControlled Switching Breaker Achieves 1ms Precision – Enabling A “Soft Landin...1.Background: The Hidden Risks of “Hard Switching”
2.Core Technology: How 1 ms Cl...view more > -
![From Domestic Substitution To Global Competition: Chinese Vacuum Circuit Brea...]()
28AugFrom Domestic Substitution To Global Competition: Chinese Vacuum Circuit Brea...Chinese vacuum circuit breakers are expanding overseas Over the past decade, China'...view more > -
![Development Trends in The Vacuum Circuit Breaker Industry 2026]()
27AugDevelopment Trends in The Vacuum Circuit Breaker Industry 20261.Key Development Trend
2.Market Landscape and Characteristics
3.About Vacuu...view more > -
![Modernizing Medium Voltage Systems in Substation Renovation Projects]()
26AugModernizing Medium Voltage Systems in Substation Renovation Projects1、Replacing Aging Circuit Breakers Becomes A Key Upgrade
2、Vacuum Technology Driv...view more >
Project
To meet the specific needs of our customers, we have independently developed the VTZ Series Vacuum Circuit Breakers, designed for voltage levels ranging from 12kV to 40.5kV. Their advantages make them a popular choice for medium voltage systems:
Modular design for easy maintenance, long life and low maintenance cost, wide range of applications, high adaptability.
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Our Honor
Official certification, product patent certificate & Type test report.
