1. Schutzvermerk / Copyright-Vermerk SION Vacuum Circuit-Breaker For Standard Applications Siemens Medium Voltage Sector Energy, Business Unit Medium Voltage © Siemens AG 2009

2. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 2 1.Technical Data 2.Portfolio 3.Product Features 4.Details 5.References SION Vacuum Circuit-Breaker Directory

3. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 3 SION Vacuum Circuit-Breaker 1. Technical Data Rated voltageup to 24 kV Short-circuit breaking currentup to 40 kA Operating currentup to 3150 A Mechanical operating cycles10,000 (M2) Electrical operating cycles10,000 (E2, C2)

4. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009 SION Vacuum Circuit-Breaker 2. Portfolio

5. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 5 SION Vacuum Circuit-Breaker 3. Product Features Main Data  7,2 to 24 kV  800 to 3150 A  12,5kA - 40 kA  Standard 10,000 mechanical operating cycles  type tested according toIEC 62271-100 Your Benefit  short time of delivery  Maintenance free up to 10,000 operating cycles

6. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 6 SION Vacuum Circuit-Breaker 3. Product Features Your Benefit  Easy access to the low-voltage interface  Well suited for retrofit (LMT retrofit solution is available) Product Features  Shell construction  Vacuum interrupters are vertically arranged  Air insulated  Front drive, spring actuation, separate low-voltage interface

7. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 7 SION Vacuum Circuit-Breaker - OEM Package 3. Product Features Your Benefit  Easy integration in the panel.  The slide-in modules have been tested according to – IEC 62271-200 regarding – Dielectric strength – Temperature rise – Switching capacity. Product Features  The slide-in module contains all necessary components for the circuit- breaker compartment of a panel.  Signals for the service and disconnected positions are transmitted to the module connector at the low-voltage interface of the vacuum circuit-breaker via the position switches of the drawout element.

8. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 8 SION Vacuum Circuit-Breaker 3. Product Features Your Benefit  No forced-cooling required  Maintenance free up to 10,000 operating cycles  Lateral insulation and small depth of the breaker allow small dimensions of circuit breaker compartment.

9. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 9 SION Vacuum Circuit-Breaker 4. Details Push button “ON” Push button “OFF” Counter for “Operating cycles” Indicator „Closed/Open“ Indicator „Closing spring charged“ Hand crank coupling

10. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 10 SION Vacuum Circuit-Breaker 4. Details

11. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 11 SION Vacuum Circuit-Breaker 4. Details: - 13 th digit of MLFB „0“ „1“ „2“ Fixed-mounted SION VCB SION VCB on drawout element SION VCB with contact arms on drawout

12. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 12 SION Vacuum Circuit-Breaker 4. Details: 13th digit of MLFB „3“ „5“ „6“ SION VCB with contact arms on drawout element, with fixed contacts and bushings SION VCB on cartridge with drawout element, contact arms, fixed contacts, bushings and shutters SION VCB on cartridge with drawout element, contact arms, fixed contacts, bushings and shutters and earthing switch +

13. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 13  Customer: EVO  Country: Germany  Date: 2006 - 2007 SION Vacuum Circuit-Breaker 5. Reference „EVO (Energie Versorgung Offenbach)“  Replacing old with new switchgears within four weeks  Continuous customer support during the whole project life span  15% decrease of invest-costs (the right switchgear for the respective switching duty) Costumer benefit  25 panels for Switching Stations “Carl-Legien & Fritz Remy“: 8BT1 family with SION-Circuit-Breaker Product  High quality for a favorable price  All switchgears tested by new standard IEC 62271-200  Maintenance free components Requirements Reference

14. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 14  Customer: Elektrobudowa  Country: Poland  Date: 2007 SION Vacuum Circuit-Breaker 5. Reference „Safe Power Distribution for Elektrobudowa“  Easy and fast integration in the panel  High reliability and availability for long-time operation  SION Vacuum Circuit-Breaker for „Underground Station Centrum Krakau“  Circuit-Breaker with compact design and draw out version for power distribution Requirements Reference Costumer benefit Product

15. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 15 SION Vacuum Circuit-Breaker 5. Reference „Volkswagen AG – Wolfsburg”  Costumer: Volkswagen AG  Country: Deutschland  Date: 2006  Installation and commissioning during operation  Fast realization of the challenging timetable  237 panels NX AIR Family with SION-Circuit Breakers (24 kV / 25 kA / 2,500 A)  Modernize medium voltage switchgears (replacement of old against new switchgears)  Implement VW-specific network demands  Reliable partner beyond a project duration of six years Requirements Reference Costumer benefit Product

16. Sector Energy, Business Unit Medium Voltage © Siemens AG 2009 September 2009Slide 16 Please press ESC to return to the overview. Thank you very much for your attention! Comments? Questions? Problems? Please do not hesitate to contact us: Sector Energy, Business Unit Medium Voltage harald.barnack@siemens.com