It is used in 3.6,7.2~~12KV three-phase AC 50HZ system for receiving and distributing electric energy, especially suitable for frequent operation occasions. Its bus system is single bus (and can derive a single bus with bypass and double bus structure). The switch cabinet meets the requirements of the national standard GB3906-91 "3~~35KV AC metal-enclosed switchgear" and the national standard IEC298, and has the locking function of the "five preventions" proposed by the two departments. The main switch of this switchgear adopts ZN28-12, VS1 series vacuum circuit breakers, equipped with CD17 series electromagnetic operating mechanism or CT19 series spring operating mechanism, and the isolation switch adopts GN30-12 rotary isolation switch and GN22-12 large current isolation. Switch series products.
