Sell RAL Vacuum Switch With Embedded Poles

Model No.:RAL
Product Origin:China
Brand Name:tellhow
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Description:RAL vacuum switch with embedded poles can be used in 3-phase AC ring-main loop power supplying system and double-radiation power supplying system the rated frequency of which is 50Hz and the rated voltage of which is not greater than 12kV, for the purpose of making and breaking the load current and over current. When the product is connected in series with fuses, they can replace the circuit breaker. In such case, the switch (for the definition of switch, please refer to the subclause 3.1.1 of IEC 60265) can make and break each kind of load current, and the fuse(s) can break the high over current and short-circuit current. The product can also be used to make and break the no-load transformers and capacitor banks. Normal service condition 1) Ambient temperature: -25oC ~ +40oC 2) Relative humidity: The daily average value of the relative humidity should not be greater than 95%, the monthly average value of the one should not be greater than 90% 3) The ambient air should not be obviously polluted by dusts, smoking, corrosive gases, flammable gases, water vapor and salt spray 4) The place where the products will be installed should be free from severe vibration 5) When the products will be used in the condition different from the above mentioned normal service condition, or under special required condition, the users should consult with the manufacturer