Find high quality 21kv yh5w-21 surge arrester with competitive price here. Please rest assured to buy 21kv yh5w-21 surge arrester with Zhejiang Fuerte Electrical Apparatus Co., Ltd

Fuerte, one of the biggest lightning arresters suppliers in China, is a high and new  science enterprise which combines producing, selling,  designing and developping together. Our products is superior for the reliable quality and long service life. The quality level of EGS is higher than the intenational, and widly applied in the electric industry.

Lightning arrester is a kind of overvoltage protection machine. It is used to protect the electric power system, railway electrification, electrical equipments in the communication system(transformer, switch, capacitor, trapper, mutual inductor,generator, power cables and so on)from the damages from the overvoltage of atmosphere, misoperation, and power frequency  transient. It is the basic equipment in the insulation of electric power system.