GKYN28A-12 type indoor metal armored withdrawable switchgear is a complete set of distribution equipment for 3-10kv three-phase AC 50Hz and single-bus segmented system. It is mainly used in power plants, small and medium-sized generators, power distribution of industrial and mining enterprises and secondary substations of power systems, power receiving, power transmission and large high voltage motor starting, etc. For control protection, monitoring purposes. The switchgear meets the requirements of DL/T404-91, IEC298, GB3906 and other standards. It has the interlock function of preventing the push-pull circuit breaker with load, preventing the misopening and closing of the circuit breaker, preventing the grounding switch from closing when it is in the closed position, preventing the misclosing and breaking of the grounding switch when it is in the closed position, preventing the misentering the live compartment, and preventing the misclosing of the grounding switch when it is in charge. It can be equipped with VS1 vacuum circuit breaker. Can also be equipped with ABB VD4 vacuum circuit breaker.
Rated voltage :12kV
Rated current: 630-3150A
Rated short-circuit current: 16-50KA
Rated short-circuit closing current :40 -- 125kA
Protection level : IP4X(housing)
IP2X(circuit breaker)
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