Product Name: 12kv RW12-12 Porcelain Housed Ceramic Dropout Fuse Cutout Model NO.: RW12-12/100 RW12-12/200 Certification: ISO9001-2000 Material: Ceramic Shape: Cuboid Operation Voltage: High Voltage Size: Meidum Application: AC/DC System Installation: Fixed Structure: Moulded Case Circuit Breaker Type: Fuse Breaking Capacity: High Voltage Circuit Breakers Operation: Electric Type Speed: High-Speed Circuit Breaker Arc-Extinguishing Medium: Vacuum Function: Ovp(Overvoltage Protection) Trademark: ZHON Transport Package: Export Standard Packing Specification: 12KV Origin: China HS Code: 8535100000 Product Description 12KV RW12-12 Porcelain Ceramic Dropout Housed Fuse CutoutCondition of Use:1. The ambient air temperatures within the range of -30 degreeto +40 degree;2. The altitude above sea level not exceeding 1, 000m; (If the altitude is higher than 1, 000, it needs adjust. )3. Frequency of the A. C. Power supply not less than 48Hz and not exceeding 52Hz;4. Earthquake intensity not exceeding 7 degrees;5. Maximum wind speed not exceeding 35m/s.Technical Standard: IEC291, 282.