Load switch and isolation switch, you can form a clear break point, most of the circuit breaker does not have isolation, there are a few circuit breaker with isolation. Disconnectors do not have protection, load switch with overload protection function. Load switch and fuse combination units automatically trip the circuit breaker with some of the features. The circuit breaker may have a short-circuit protection, overload protection, leakage protection and other functions. Load switch operations 1. Load switch main blade and the auxiliary blade (or arcing contact) sequence of actions should be: when homes explain, first arcing contacts are closed after the main knife is closed; sub-gate, the main knife disconnect After destroy solitary candle head off. 2. Load switch opening Hou Xian load switch, knife open distance should meet the manufacturer's requirements. Such as below standard, you can change the operating lever in position load switch factory direct fan board, or change the length of the rod so that it meets the requirements. 3. When adjusting load switch wholesale closing mechanism, should first slow slow closing minutes. Closing should make just insert the nozzle arcing contacts interrupter device should not impact the nozzle, so as not to damage the nozzle, or should be treated. 4. The mounting load switch with fuse, the fuse should be checked before installation rated current is consistent with the design. Both ends of the fuse cap (end ring or end cap) should be securely sealed welded end caps should not be activities, or should be replaced. RNl high-voltage fuse line pipe made of porcelain, the installation should be careful not to damage, fuse tube should be inserted into the jaw tightly. High voltage switches _ _ Xi'an, Yinchuan load switch provided by the Xi'an high Huayi power plant. Xian Huayi Electric Power Equipment Factory (www.xahy.com) strong, credible, in the Xi'an high-voltage circuit breakers and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Huayi electricity into the brilliant and you work for a better future!