1. SF6 Load Break Switch and Sectionalizer 2. Automatic Circuit Recloser (SF6 type, Solid type) 3. Ring Main Unit and Pad-mounted Switchgears 4. GIS 5. VCB (Vacuum Circuit Breaker), Indoor Air type Load Break Switch 6. ACB (Air Circuit Breaker), ATS (Auto Transfer Switch) 7. MCCB, MCB 8. Surge Arrestor, Fuse Cut Out 9. Composite Insulator (up to 500kV) 10. Distribution Transformer, Power Transformer 11. Capacitor (Oil type, Dry type) and Capacitor Bank 12. Numerical Protection Relay, Digital Meter 13. RTU and SCADA for substation automation 14. Transmission and Distribution Line H
[Korea (Rep. of)]