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

Our Mission and Vision
- Since our founding, we have been driven by a mission to revolutionize power transmission and distribution systems. Our vision is to expand our international market share and establish our VTZ brand as a symbol of quality and innovation in the electrical industry. We are committed to becoming a global leader, known for our dedication to advancing technology, ensuring quality, and prioritizing customer satisfaction.
After-sales and Service
- We are committed to providing exceptional after-sales support to our global customers. Our services include worldwide technical support and warranty coverage, such as online remote technical support, video training, and on-site installation guidance. During the warranty period, we respond quickly to equipment defaults, and provide repair or replacement services, with the option to extend warranties as needed. To ensure effective communication, we also offer multilingual support and provide a comprehensive feedback mechanism that allows us to track customer satisfaction and continuously improve our service quality.
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.
Honors And Certifications






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