Products

VS1 Opening And Closing Coil (tripping Electromagnet)
2.Resistance (Ω):198、150、31.5
3.Wire diameter (mm):0.21、0.23、0.31
4.Actuation travel:33mm
5.Number of turns:5650、5320、2660
6.Mechanical lifespan: ≥ 10,000 cycles, suitable for frequent operation.
Products Description
VS1 opening and closing coil (tripping electromagnet) Functional Positioning: The opening and closing electromagnet is the core execution unit of the VS1 circuit breaker operating mechanism. It drives the mechanical transmission system through electromagnetic force to complete the opening and closing actions, and supports electric and remote control modes.

Products technical parameter
product parameters
|
No. |
Operating voltage |
Resistance (Ω) |
Number of turns |
Wire diameter |
Power frequency withstand voltage |
Actuation travel |
Mechanical lifespan |
| 1 | DC220V | 198 | 5620 | 0.21 | 2kV/1min without breakdown or heat generation, insulation resistance not less than 60Ω; coil turns can withstand 2.5 times rated voltage for 1min |
33mm |
≥ 10,000 cycles, suitable for frequent operation. |
| 2 | DC220V | 150 | 5320 | 0.23 | |||
| 3 | DC110V | 39.5 | 2660 | 0.31 |
Scope of application
VS1 opening and closing coil (tripping electromagnet) Designed specifically for the VS1-12 series high-voltage vacuum circuit breakers, this device is suitable for opening and closing the spring mechanism of indoor high-voltage vacuum circuit breakers with a rated voltage of 12kV and a frequency of 50Hz.

Products Advantage
VS1 opening and closing coil (tripping electromagnet) is enclosed in a mechanism housing, achieving an IP2X protection rating and providing dust and interference resistance.
Products overall outline drawing

why choose us
Shaanxi West Power Tongzhong Electrical Co., Ltd. is a leading manufacturer with over 20 years of experience, specializing in high quality 7 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.
Introduction and Location
Founded in 2014, Shaanxi West Power Tongzhong Electrical Co., Ltd. is a leading innovator in the electrical industry with over 20 years of industry experience. Strategically located at No. 1 East Gaoxin Avenue in the High-Tech Development Zone of Baoji City, Shaanxi Province, our prime location offers excellent connectivity through expressways and high-speed railways. This advantageous location allows us to efficiently serve both domestic and international markets, ensuring fast response times and seamless logistics.
Excellence in research and development
Innovation is at the core of our business. We have independently developed the VTZ Series Vacuum Circuit Breakers and continue to invest in research and development to meet the evolving needs of the electrical industry. Our R&D team consists of senior technical experts with decades of experience in the design and manufacture of high and low voltage electrical equipment. Their expertise, combined with our advanced facilities, allows us to stay ahead of industry trends and continually optimize our product offerings.
Advanced manufacturing and production
We operate one of the most advanced and standardized assembly line manufacturing facilities in the industry, equipped with the latest technology, enabling us to produce a wide range of high quality electrical products with precision and efficiency. Wecomply with GB 1984-2024 and GB/T11022-2020 standards to ensure the highest quality. Our commitment to excellence is reflected in the durability, reliability, and compatibility of our products.
Adapting to industry trends
Guided by our strategic development plan, we continuously adapt our products to align with the latest trends in smart grids, power system automation, and high altitude environments. Our leading high-current, high-voltage, and long-life products are designed to meet the rigorous demands of today's power systems, providing our customers with reliable, maintenance-free solutions that stand the test of time.
Wide range of products
We offer a wide range of products, including indoor and outdoor vacuum circuit breakers, switchgear, low voltage switch equipment, and various electrical accessories. Each product is designed to meet the specific needs of our customers, and can operate stably in urban distribution networks, industrial melting, new energy power generation, rural power supply and other places, and can still maintain excellent reliability even in harsh environments.
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