Gas-insulated load disconnectors are designed for switching circuits of three-phase alternating current with frequency 50 Hz, rated voltage 10, 20 kV and rated current up to 630 A with isolated or earthed through a resistor or arc suppression reactor neutral. Gas-insulated switch-disconnectors are designed for switching without load of three-phase alternating current circuits with frequency 50 Hz, rated voltage 10, 20 kV, rated current up to 1250 A, as well as to ensure the safety of work during the operation of electrical installations.
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