The R&S Group Reliable products for grid systems Hannover Messe companies of Rauscher & Stoecklin SERW ZREW Tesar

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1 The R&S Group Reliable products for grid systems Hannover Messe 2017

2 At a glance R&S Group has the ambition to form a leading international organization in selected niches in the area of electrical products for the energy distribution and electrical infrastructure Headquarter in Sissach, Switzerland Seven manufacturing locations worldwide Total of 650 employees 2

3 Strong domestic markets paired with international reach Europe Factories South America Middle East Rauscher&Stoecklin Switzerland SERW Czech Republic ZREW Poland Tesar Italy, Poland, UAE, Argentina R&S Sales offices Germany Dubai Other countries supported by partner network 3

4 Reliable products for efficient power supply Power products Railway electrification Connectors Products for power transmission and distribution Transformers HV switches MV switches Products for railway electrification Switches Transformers Connectors for high current applications in different industries Connectors Connection units 4

5 Our customers are where power is generated or needed 5

6 Power transformers Power transformers up to 170kV and 125MVA Step up/step down transformers Rectifier transformers Furnace transformers Equipped with state of the art components Tested according to IEC and GOST Designed in compliance with EU regulation 548/2014 6

7 Cast resin transformers Cast resin transformers up to 52kV and 25MVA for different applications Power distribution Industry Infrastructure According to EU 548/2014 E2/E3 C2 F1 Optional with metal clad housing IP21, IP 23 or IP 31 7

8 Distribution transformers Oil immersed distribution transformers up to 36kV and 5MVA Hermetically sealed Equipped with tap changer as an option According to EU 548/2014 Special transformers upon request 8

9 High voltage switches Disconnectors and earthing switches from 72,5kV up to 420kV Different designs for different applications Vertical Horizontal Pantograph Tested according to IEC

10 Medium voltage switches Different types of medium voltage switches Circuit breaker Disconnectors Earthing switches For indoor and outdoor application Single phase and three phase applications Voltage range: Up to 38.5kV Special project driven designs available upon request 10

11 Instrument transformers Standardized in cast resin embedded Current transformers Voltage transformers Available in block construction as well as cable current transformers Up to 36 kv Designed and tested according to the specifications for applications in power plants and power distribution networks 11

12 Switches for railway applications Overhead lines have to ensure reliable power supply for public mass transportation. Long history in development and manufacturing of different types of cartenage switches for different applications Load break switches Disconnectors Earthing switches 15kV to 25kV AC and up to 2000A Accessories like motor drive and connections rods 12

13 Transformers for auxiliary power supply Auxiliary power supply transformers are used in railway networks along the tracks Main usage is single phase AC supply for signal heating or safety systems Voltage levels normally follow the catenary system and are below 36kV with power ratings up to 2000kVA 13

14 Connectors High current connectors for industrial applications Tunneling / mining Marine Infrastructure / Transport Military Construction Portfolio from 200A to 400A and up to 1 000V For AC and DC applications 14

15 Our global reference projects Multiple windparks from Iberdrola, Aldesa or Dong Energy in Poland are equipped with power transformers from ZREW. And by the way, ZREW transformers are the most used transformer in the Polish grid Temelin is the biggest NPP in Czech Republic. In the HV substation for power transmission CEPS relies on 420kV disconnectors delivered by SERW. And so do many other power network operators in Europe. CERN, the European Organization for Nuclear Research is operating the biggest particle accelerator in the world. This can only happen with the help of the over 140 Tesar transformers installed. The Eurotunnel is a 55km long connection link between Europe and England. The overheadline is powered by switches coming from Rauscher Stoecklin. 16

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