The line of vacuum switching apparatus of 6(10), 27.5, 35 and 110 kV covers the whole range of current ratings common for industrial electrical installations.
Vacuum circuit-breakers series BP and BPC designed for grids with rated voltage of 10 kV. Short-circuit currents: 20, 31.5 and 40 kA. Rated operating current: 630-4000 A.
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Outdoor single-pole vacuum circuit-breakers series BP27NS with electromagnetic drive are designed for single-phase circuits with rated voltage of 27.5 kV.
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The range of 35 kV vacuum circuit-breakers has been manufactured by High-Voltage Union enterprises for more than 50 years and continuously enlarged with new apparatus. Today, the Concern manufactures 6 types of 35kV vacuum circuit-breakers.
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110 kV vacuum circuit-breakers series BPC-110 with one break per phase are designed for alternating current networks with 50(60) Hz frequency and 110 kV rated voltage in normal and emergency modes.
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High-voltage Union is a unique manufacturer of generator circuit-breakers thanks to its many years' production experience in this field. Today, the Concern manufactures apparatus rated for voltage of 10, 15 and 20 kV and current of up to 11200 A.
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