General 1.Made of high quality material, it has long service life. The fusant is made of pure copper strip. The fusion tube is made of high strength china. The extinguishing medium is made of pure quartz sand. 2.Easy installation and maintenance. The terminal of fusant contacting with the end-plate (or the connecting plate) use the technology of spot welding. 3.Safe indication. The fuse with the indicator can be show the fusing when the indicator pop-up. 4.Durable and reliable.
Environment temperature:-40℃ to 40℃.
Relative humidity:daily average value not more than 95%, on average less than 90%.
The location of on more than 1000m altitude(high altitude type not more than 3000m).
Wind speed not more than 34m/s.
Ice cover thickness not more than 20mm.
Installation site should be no fire and explosion danger, chemical corrosion and strenuous vibration.