Model SGK-40.5KV fully enclosed fully insulated ring main unit equipment is a compact metal sealed switchgear system for 40.5KV distribution system.
Because of its extensibility, the switchgear has unique flexibility for its easy combination of full modularization and semi-modularization.
The stainless steel gas compartment is filled with SF6 gas, which sealed all live components and switches completely, isolated from outside. Such fully sealed gas-tight system keeps internal switches and all live parts unaffected by changes in the external environment, ensuring high reliability, personnel safety and maintenance-free. It can meet different requirements of power supply and distribution configuration.
Structure Features
With load switch, load switch + fuse combination electrical appliances, circuit breaker functional unit, flexible for various complete schemes;
There are two types of structure for option, common compartment type and external bus expansion type, which can realize flexible combination of various schemes;
Small size, light weight, single unit dimension 500x1000x1750mm, convenient for transportation, handling and installation;
Very suitable for use in places with very tight space requirements such as wind turbine tower;
It is easy to operate, safe to use and easy to maintain, no need maintenance for 30 years;
Switchgear is fully sealed, without any exposed live parts, and can operate in harsh environment for long period.