JN15-12/24/40.5 indoor HV earthing switch absorbs advanced new technics from domestic and aborb. It conforms to GB1985 AC HV disconnect switch and earth switch, relative standards IEC60129 and passes KEMA test. The apparatus applies to power system of rating below 12kV/24kV/40.5kV, and AC50/60Hz. It is suitable for various types HV switchgear for earthing protection. The holistic earthing switch consists of basis, supporting insulator, main axis, main blade, fast spring, fixed and moving contact. Additional electronic display is also available according to the user's requirement.
Product Features
1. Advanced design and steady performance.
2. Simple structures, installation and adjustment.
3. Quick breaking and making capability.
4. Handsome appearance
5. Usable and scientific apparatus, be operated on both sides(right and left).
http://www.china-vacuum-interrupter.com/Vacuum-Circuit-Breaker-c2.html
Vcauum Circuit Breaker 
or
