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(TZ15)-12/31.5 Indoor High Voltage Grounding Switch
2.Rated short-time withstand current：31.5kA
3.Rated short-circuit duration：4s
4.Rated short-circuit making current:80kA
5.Rated peak withstand current:80kA
6.Structure: Assembled structure
7.Scope of application:12kV three-phase AC 50Hz power system
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Product Introduction
(TZ15)-12/31.5 indoor high voltage grounding is a product with international advanced level developed by advanced technology, and its structure is assembled. The performance meets the requirements of GB/T1985-2024 "AC High Voltage Disconnector and Earthing Switch" and IEC 6271, and is suitable for 3-12kV three-phase AC 50Hz power system. It has short-circuit closing capability to protect other electrical equipment in the switchgear from damage, can be used in conjunction with various high-voltage switchgear, and can also be used as grounding protection during the maintenance of high-voltage electrical equipment. is a product with international advanced level developed by advanced technology, and its structure is assembled. The performance meets the requirements of GB/T1985-2024 "AC High Voltage Disconnector and Earthing Switch" and IEC 6271, and is suitable for 3-12kV three-phase AC 50Hz power system. It has short-circuit closing capability to protect other electrical equipment in the switchgear from damage, can be used in conjunction with various high-voltage switchgear, and can also be used as grounding protection during the maintenance of high-voltage electrical equipment.
Product Specifications
Specification Sheet
|
No. |
Item |
Unit |
Date |
|
|
1 |
Rated Voltage |
kV |
12 |
|
|
2 |
Rated short-time withstand current |
kA |
31.5 |
|
|
3 |
Rated short-circuit duration |
s |
4 |
|
|
4 |
Rated short-circuit making current |
kA |
80 |
|
|
5 |
Rated peak withstand current |
kA |
80 |
|
6 |
Rated short-time power frequency withstand (1min) | Rated short-time power frequency withstand (1min) | Phase to ground and phase to phase |
42 |
| Lightning impulse withstand voltage | 75 | |||
| 7 | Mechanical life | times | 30000 | |
Product Advantages
(TZ15)-12/31.5 indoor high voltage grounding switch has many advantages:
Compact structure, advanced design, flexible operation
Simple structure, easy installation and commissioning
Meet mechanical life ≥ 3000 times
Salt spray test can reach more than 120h
All-metal solution can be selected according to usage requirements
Product Applications
(TZ15)-12/31.5 indoor high voltage grounding switch has many applications :
1.Widely used in various indoor metal-enclosed switchgear (central cabinet, fixed cabinet, ring network cabinet) with a voltage level of 12kV;
2. Used for safe grounding of high-voltage components such as busbars, feeder cables, voltage transformers, transformer incoming lines, circuit breakers, etc. before maintenance.
Product Outline Drawing
why choose us
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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