MV KYN28A-12 (GZS1) metal-clad movable switchgear is a three-phase, AC, 50 Hz complete power distribution device of single bus-bar and its sectional system. This kind of switchgears are mainly used to control, protect and monitor circuits for power plants, power transmission of medium & small generators, industrial & mining establishments power distribution, power acceptance & transmission of secondary substations in power systems and large high voltage electromotor starting. It meets the standards of IEC298 and GB3906. It has interlocking functions of preventing from moving circuit breaker handcart with load, preventing from opening & closing circuit breaker by mistake, preventing from opening & closing circuit breaker while the earthing switch is at closing position, preventing from straying into charged compartment and preventing from closing earthing switch by mistake while it is charged.

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