Type: vacuum circuit breaker.

Working environment
1. Air temperature: -25℃~+40℃
2. Humidity: Monthly average humidity 95%; Daily average humidity 90%.
3. Altitude: ≤ 2500m
4. Ambient air not apparently polluted by corrosive and flammable gas, vapor, etc.
5. No frequent violent shake

Fully type-tested

The KYN28 series switchgear produced by our company has passed all the tests required by the international (IEC) standards. When each switchgear is subjected to rigorous routine tests designed to check the function of the switchgear according to the specific characteristics of each device before leaving the factory.

Technical data

Knkong Electric Co., Ltd (Zhengzhou Knkong Mechanical And Electrical Co., Ltd)was established in 2012. A wholly-owned subsidiary of Henan Sanhe Electric Group. We are mainly responsible for overseas market exporting, electronic components, and technology import.

Relying on a high-quality technical R&D team and continuous updating of product structure, the company's products have been classified into 10 categories, 30 varieties and more than 100 kinds of specifications from 35kV to low-voltage terminal electrical products. Product coverage: power transformers, indoor (outdoor) High-voltage vacuum circuit breakers, high and low voltage switchgear, integrated distribution boxes, energy metering boxes, power distribution terminals (DTU, FTU), fault indicators, cable branch boxes, smart power distribution systems, power automation equipment, and instrumentation. The company has first-class production equipment, advanced manufacturing technology, a strict production quality management system, sophisticated testing equipment and a perfect after-sales service system. A strong product application and technical support team can provide customers with the most comprehensive and secure product application and technical support.