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Type: Expulsion Fuse ElementTo be connected with incoming feeder of distribution transformers or distribution lines, ZNF series drop-out fuse cutouts mainly protect transformer or lines from short circuit and overload, and on/off loading current.Specifications:1) Rated voltage: 12 33kV2) Rated current: 100A/200A3) Breaking current: 6000/8000A4) Impulse voltage (BIL): 150kV5) Power-frequency withstand voltage: 65kV6) Leakage distance: 800mmCondition of Use:1. The ambient air temperatures within the range of -30 Celsius degree to +40 Celsius 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:Confirmed to IEC291, 282.