Founded in
Certified Company
Excellent Quality
Zhejiang Tongzhan Electric Co., Ltd. produces products such as load switches and FN12 load switches. The company is located at the mouth of the Oujiang River on the southeast coast, with Qiligang Port to the south and Yandang Mountain, the most beautiful mountain in the southeast, to the north. National Highway 104 runs through the area, and it faces Wenzhou Airport and railway station across the river, providing convenient transportation by sea, land, and air.
The FZN21-12 series indoor and outdoor high-voltage AC vacuum load switch (including the FZRN21-12 series load switch-fuse combination unit) is a core control and protection device designed for 12kV, 50Hz three-phase AC power distribution systems.
Zhejiang Tongzhan Electric Co., Ltd. is a professional high-tech enterprise dedicated to the R&D, production, sales and after-sales service of high-voltage electrical equipment, with a focus on the ZW8-12 series outdoor high-voltage vacuum circuit breakers.
The ZW20 series outdoor high-voltage AC vacuum circuit breaker is a high-performance power distribution control and protection device specifically designed for 12kV, 50Hz three-phase AC power systems. It adopts advanced vacuum arc-extinguishing technology and an integrated outdoor enclosed structure, boasting excellent weather resistance, reliable breaking performance, intelligent operation capability, compact size, and easy installation.