1. HIGH VOLTAGE UNION Vacuum Circuit Breaker 110 kV VRS-110 Series ВЫСОКОВОЛЬТНЫЙ СОЮЗ www.vsoyuz.com

2. Application ВЫСОКОВОЛЬТНЫЙ СОЮЗ Vacuum Circuit Breaker 110 kV VRS-110 Series Installation in new switchgears Replacement of obsolete switchgear in the existing switchgears* * Concern prepared standard solutions for the replacement of obsolete circuit breakers for BPS110 www.vsoyuz.com

3. Functional features ВЫСОКОВОЛЬТНЫЙ СОЮЗ Minimum maintenance Minimum mounting Mechanical life up to 10 000 cycles of ON / OFF Switching resource 20 cycles on / off at the rated breaking current 31.5 kA Switching life 10 000 cycles on / off at nominal current The possibility of operating in a wide temperature range from -60 C ° to +50 C ° Vacuum Circuit Breaker 110 kV VRS-110 Series www.vsoyuz.com

4. Constructive principles ВЫСОКОВОЛЬТНЫЙ СОЮЗ Nominal voltage 110 kV Maximum operating voltage 126 kV Nominal current 2500 A Rated breaking current 31.5 kA The normalized percentage of aperiodic component not more than 40% Resistance not more than 10 microhm Mechanical life 10 000 cycles ON / OFF Switching resource at: nominal current 10 000 cycles ON / OFF nominal breaking current 20 cycles of ON / OFF Weight 59 kg VACUUM CHAMBER Vacuum Circuit Breaker 110 kV VRS-110 Series www.vsoyuz.com

5. Constructive principles ВЫСОКОВОЛЬТНЫЙ СОЮЗ One discontinuity per phase (a first for a 110 kV circuit breakers) Quenching of the arc in vacuum Isolation of the poles of the organosilicon compound diecast Spring actuator Internal cavity filled with nitrogen at the poles of low pressure to prevent condensation Terms of isolation - III degree of contamination according to GOST 9920-89 Vacuum Circuit Breaker 110 kV VRS-110 Series www.vsoyuz.com

6. Constructive principles ВЫСОКОВОЛЬТНЫЙ СОЮЗ SPRING ACTUATOR Winding switch-off spring by a motor- reducer Including the ability to manually winding a spring drive Lateral placement of the drive spring breakers, provides good access to it Vacuum Circuit Breaker 110 kV VRS-110 Series www.vsoyuz.com

7. Montage ВЫСОКОВОЛЬТНЫЙ СОЮЗ The switch comes fully assembled and regulated form (client can only connect it to the posts and attach (without regulation), the drive) The switch is supplied at the working pressure of nitrogen Vacuum Circuit Breaker 110 kV VRS-110 Series www.vsoyuz.com

8. Dimensional drawing ВЫСОКОВОЛЬТНЫЙ СОЮЗ Vacuum Circuit Breaker 110 kV VRS-110 Series With supporting metal constructions www.vsoyuz.com

9. Dimensional drawing ВЫСОКОВОЛЬТНЫЙ СОЮЗ Vacuum Circuit Breaker 110 kV VRS-110 Series Without supporting metal constructions www.vsoyuz.com

10. Dimensional drawing ВЫСОКОВОЛЬТНЫЙ СОЮЗ Vacuum Circuit Breaker 110 kV VRS-110 Series With a protective shield and ladder www.vsoyuz.com

11. Technical parameters of the switch ВЫСОКОВОЛЬТНЫЙ СОЮЗ Nominal voltage110 kV Maximum operating voltage 126 kV Rated breaking current2 500 A Rated peak withstand current81 kA Thermal stability current (3s)31,5 kA The proper time of switching on no more than 70 ms The proper time of switching off no more than 45 ms Full time of switching off no more than 60 ms Switching resource at nominal current 10 000 cycles on/off Switching resource at a nominal breaking current 20 cycles on/off The mass of the circuit breaker 1 500 kg Vacuum Circuit Breaker 110 kV VRS-110 Series www.vsoyuz.com

12. List of companies that take the machine into pilot operation ВЫСОКОВОЛЬТНЫЙ СОЮЗ MES South MRSC of Volga MRSC of North-West Tyumenenergo Vacuum Circuit Breaker 110 kV VRS-110 Series www.vsoyuz.com In early 2011 a series of vacuum circuit breaker VRS-110 will be put on trial operation in the following companies:

13. Certification ВЫСОКОВОЛЬТНЫЙ СОЮЗ Tests are carried out in SRC BBA - February 2011, Moscow Vacuum Circuit Breaker 110 kV VRS-110 Series Certification - Association of high voltage equipment testing facilities «Energosert», Moscow www.vsoyuz.com

14. Contact Us ВЫСОКОВОЛЬТНЫЙ СОЮЗ CONCERN «HIGH VOLTAGE UNION» Vacuum Circuit Breaker 110 kV VRS-110 Series St. Torgovaya, 5, Ekaterinburg, 620010, Russia Phone: (+7 343) 217- 48- 44 Fax: (+7 343) 217- 48- 44 ekaterinburg@vsoyuz.ru www.vsoyuz.ru Delivery time - 60 days Warranty period - 3.5 years from the date putting into operation MANUFACTURING «NTEAZ Electric» www.vsoyuz.com

15. Thank you for your attention ! © 2011 HIGH VOLTAGE UNION