Volcano box current over voltage7/12/2023 ![]() At any moment, the switch can only be in one of the three states of "closing, opening and grounding", so as to completely avoid misoperation. The load break switch adopts the coaxial rotation double break - point mode, and carries out kinetic energy operation by cooperating with the operation hole and sliding plate. There is a pressure release device installed with the gas tank, which can ensure the physical strength to release from the bottom or the rear when the pressure is too high. The normal working pressure of SF6 gas is 0.15 ~ 0.4bar. SF6 gas tank is a 'sealed pressure system' which can operate for 20 years under normal working environment. ![]() ![]() SRM16-12kV series SF6 gas insulated ring main unit is installed on a galvanized plate frame, and the switch units are all in SF6 gas tank, which is made of corrosion-resistant and non-magnetic 3mm thick stainless steel plate.
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