https://www.guangzhoulongji.com/low-voltage-distribution-cabinet/gck-ac-low-voltage-distribution-cabinet/gck-low-voltage-switchgear.html
GCK low-voltage withdrawable switchgear is suitable for power distribution, electric metallurgy, petrochemical, petrochemical, port, dock, building and other places as AC three-phase four-wire or five-wire system, voltage 380V, 50HZ power system distribution and motor For control purposes.