The POWERTEK Air-Insulated Switchgear, Secondary type POWERSEC, is extensible, with a modular design suitable for secondary power distribution systems requiring high reliability, personal safety, space-saving, and easy installation. The free combination of LBS, LBS-Fuse, VCB, and metering switchgear type ‘POWERSEC’ is factory-assembled and designed for indoor installation according to IEC 62271-200. This product is suitable for distribution substations, public buildings, and industrial plant applications.