1. Name, department/event, date
Medium Voltage Products, PPMV Nashik, 2011
SafeLink CB SF6 Insulated Ring Main Unit
Product Presentation
Rev 01 July 2011
Rev 02 Dec 2011: Extensible details added, Footprint details changed
© ABB
Month DD, YYYY | Slide 1

2. Power and productivity for a better world ABB’s vision for India
Continue to build the technology needed to meet the demand of tomorrow, today
Preferred partner for renewables, energy efficiency, industrial productivity and grid reliability
Recognized good corporate citizen
Preferred employer and talent source for ABB worldwide

3. How ABB in India is organized Five global divisions
Power Products
Power Systems
Discrete Automation and Motion
Low Voltage Products
Process Automation
19,520 MINR
2,260
employees
19,446 MINR 2,060
employees
15,594 MINR
1,050
employees
4,445 MINR
470 employees
12,590 MINR 1,750
employees
2010 revenues
ABB’s portfolio covers:
Electricals, automation, controls and instrumentation for power generation and industrial processes
Power transmission
Distribution solutions
Low-voltage products
PLCs, variable frequency drives, motors for discrete automation and process industries

4. SafeLink CB Compact Ring Main Unit for Secondary Distribution
SF6 insulated switchgear
12 kV, 630 A, 21 kA Metal Enclosed design
Cost effective solution for local and global market
Type tested according to IEC standards
Extensible on both sides
Internal Arc classified
IP54 degree of protection
Vacuum Circuit Breaker with high mechanical endurance of 5000 operations
Maintenance free and safety for user and pedestrian
Manufactured according to ISO
Recyclable and very low environmental impact
© ABB Group
September 17, 2018 | Slide 4

5. Safe-series product evolution SafeLink CB
Well proven technology – years of experience – global references
36 kV
24 kV
12 kV
1985
2011
© ABB Group
September 17, 2018 | Slide 5

6. Applicable IEC standards SafeLink CB
Type tested as per following relevant latest IEC standards
IEC (Switchgear)
IEC (Common Specifications)
IEC (Circuit Breaker)
IEC (Disconnector & Earthing Switches)
IEC (Switch)
IEC (Degree of Protection)
© ABB Group
September 17, 2018 | Slide 6

7. Unit Overall View/Picture SafeLink CB
Non-extensible CVC RMU
Extensible RMU’s in coupled condition
© ABB Group
September 17, 2018 | Slide 7

8. Design Philosophy SafeLink CB
Compact and Robust Design
Simulations application for design validations
Personnel safety considerations
Modern development and manufacturing techniques
Durability and recyclable for environment
© ABB Group
September 17, 2018 | Slide 8

9. General Information SafeLink CB
SafeLink CB is a Ring Main Unit for secondary distribution network up to 12 kV
Suitable for indoor as well as outdoor applications
Extensibility on both sides
Completely factory assembled, sealed and ready to use
© ABB Group
September 17, 2018 | Slide 9

10. Configurations SafeLink CB
Available in non-extensible configurations of CVC and extensible configurations of +CVC+, +V+ and +C+ where
C- Cable/Ring switch module with test point facility
(3 positions ON-OFF-EARTH)
V-Vacuum circuit breaker module for relay transformer protection
(with manually operated
disconnector) V C C
© ABB Group
September 17, 2018 | Slide 10

11. Applications SafeLink CB
Small/Light industries
Wind power plants
Buildings, hotels, shopping centers
Office buildings, business centers
Mining applications
Airports, Hospitals
Railway systems
Underground railway projects
© ABB Group
September 17, 2018 | Slide 11

12. Secondary Distribution Network SafeLink CB
substation
400 kV
40-70 kV
130 kV
11 kV
Transmission
Main substation
415 V
Transformer
© ABB Group
September 17, 2018 | Slide 12

13. RMU in Network
SafeLink CB
© ABB Group
September 17, 2018 | Slide 13

14. ABB Factory Nashik, India
ABB Medium Voltage Switchgear factory in Nasik.
Outdoor & Indoor Breakers
Air Insulated Switchgears
Ring Main Units (RMU)
Modular Systems (CSS)
Vacuum Interrupters
Retrofit & Services
Quality/Certificates
ISO 9001 & ISO 14001
OHSAS 18001
550 employees for offices / factories
© ABB Group
September 17, 2018 | Slide 14

15. Technical Data SafeLink CB
C Module
V Module
Switch Disconnector
Earthing Switch
Vacuum Circuit
Breaker
Earthing Switch /Disconnector
Rated Voltage kV 12
Power frequency withstand voltage 38
- across disconnector 45
Lightning impulse withstand voltage 95
110
Rated normal current1) A
630
Breaking capacities
- active load breaking current -   -
- closed loop breaking current
- cable charging breaking current 25
25 (Class C2)
- line charging breaking current 1
10 (Class C2)
- earth fault breaking current 75
- earth fault cable and line charging
43.5
- short circuit breaking current kA 21
Making capacity
52.5
see2)
Short time current (3-sec)
Mechanical Operations
nos M1 M0
M1+3000
1)Suitable derating shall be applied for ambient temperatures greater than 40 deg
2)Disconnector is manually opearated, earthing operation is through VI. Hence no making capacity assigned
Internal Arc Classification (IAC)
AF 20 kA 1 sec for inside tank
© ABB Group
September 17, 2018 | Slide 15

16. Switchgear Dimensions1 ‘CVC’ (in mm) SafeLink CB
1210
960
1540
1320
Bushing
C-C
100 mm
826
Side View
Front View
© ABB Group
September 17, 2018 | Slide 16
Height: 1540 mm, Width: 960 mm, Depth 1210 mm

17. Switchgear Dimensions2 ‘CVC’ (in mm) SafeLink CB.
1830
Bushing
C-C
105 mm
2020
Front Door
Open View
Back View
© ABB Group
September 17, 2018 | Slide 17

18. Switchgear Dimensions ‘+CVC+’ (in mm) SafeLink CB.
Side View
Front View
Back View
© ABB Group
September 17, 2018 | Slide 18

19. Switchgear Dimensions ‘+V+’ (in mm) SafeLink CB.
Side View
Front View
Back View
© ABB Group
September 17, 2018 | Slide 19

20. Switchgear Dimensions ‘+C+’ (in mm) SafeLink CB.
Side View
Front View
© ABB Group
September 17, 2018 | Slide 20

21. Switchgear Dimensions in coupled condition (in mm) SafeLink CB.
1995
Front View
© ABB Group
September 17, 2018 | Slide 21

22. Cable/Ring Switch Module (C) SafeLink CB
3 position switch disconnector and earthing switch
SF6 as arc quenching and insulating medium
Cable Test Point Bushings on bottom of the tank (standard)
Single spring latched mechanism for all 3 positions of ON-OFF-EARTH
Cable compartments and Test Point compartments interlocked
Busbar extension bushing
© ABB Group
September 17, 2018 | Slide 22

23. Vacuum Circuit Breaker Module (V) SafeLink CB
VG5 interrupter from ABB
Interruption in vacuum
Insulation provided by gas
No consumable parts
Rugged and reliable
5000 mechanical endurance operations
30000 operations of VI at rated current
Three position disconnector and earthing switch
© ABB Group
September 17, 2018 | Slide 23

24. Manufacturing facilities and features SafeLink CB
Modern production techniques
Stainless Steel Tank enclosure
Programmed Robotic Welding
Sealed Pressure System leakage tested with automated and modern machine
Vacuum Interrupters manufactured in world class ABB facility for high reliability and long life
Environmental friendly and maintenance free for life
© ABB Group
September 17, 2018 | Slide 24

25. Tank Overview SafeLink CB
Vacuum BKR aligned to
T-off side with cable bushings on back side
Switch cable bushings on the side
Mechanisms for Circuit Breaker and Cable Switch
Disconnector manually operated
Test Point Bushings in the bottom of the tank
© ABB Group
September 17, 2018 | Slide 25

26. Relays Self-powered SafeLink CB
Protection CT’s mounted on the T-off side bushings
CT powered protection relay (no external power supply necessary)
Economical
Easy adjustment
Perfect for large distribution transformers
REJ603: ABB relay option with HMI
Relay with advanced overcurrent and earth fault functions
© ABB Group
September 17, 2018 | Slide 26

27. Installation Footprint and Maintenance SafeLink CB
Compact design
Easy to install and connect
Commissioning - factory tested
NO live parts exposed
Minimum number of parts
Fully sealed and screened unit
Virtually maintenance free
Cable terminations on side and on rear
© ABB Group
September 17, 2018 | Slide 27

28. Cable Termination and Bushings SafeLink CB
Cable bushings with interface C, 400 series, bolted type, 630A
All cable bushings covered by interlocked boxes
Arc proof cable compartments
Capacitive voltage indication as standard for all cable bushings
Extensible bushings on the side
© ABB Group
September 17, 2018 | Slide 28

29. Mechanisms and Interlocks SafeLink CB
EL2 Mechanism (BKR)
Rough, reliable with proven technology
Stored energy and trip free
Minimum number of moving parts
High number of mechanical operations
Anti-pumping device built in
Interlocked with disconnector
Ring Switch Mechanism (RCS)
Single spring latched mechanism for 3 positions ON-OFF-EARTH
Interlocked with cable box and Test Point box
© ABB Group
September 17, 2018 | Slide 29

30. Breaker Module Accessories SafeLink CB
Shunt opening release (-MO1)
Additional shunt opening release (-MO2)
Shunt closing release (-MC)
3NO+2NC or 2NO+3NC Auxiliary contacts (BB1/BB2)
Closing spring charging motor operator (-MS)
Operational counter for BKR as optional B A C E D
© ABB Group
September 17, 2018 | Slide 30

31. Additional Accessories SafeLink CB
2NO-NC auxiliary switches for Switch
2NO-NC auxiliary switches for Disconnector
1 NO auxiliary switch for monitoring low pressure in equipment
Short Circuit/Earth Fault Indicators according to DIN standards for switch modules
© ABB Group
September 17, 2018 | Slide 31

32. Switchgear Compartments SafeLink CB
Breaker
Mechanisms
Switch
Pressure relief
Cable Connection
Cable Compartment
Test Point Bushings
© ABB Group
September 17, 2018 | Slide 32

33. Front Mimic SafeLink CB
Logical user interface
Clear display of all functions with appropriate usage of colours for ON-OFF-EARTH functions and indication
Mimics – independent of language
Padlock for switch and disconnector
© ABB Group
September 17, 2018 | Slide 33

34. Description of functions SafeLink CB
Manometer
Relay
Fault Indicator
VPIS for Ring Switch RHS
Ring Switch RHS
Cable Box for Ring Switch RHS
Test Point Box for Ring Switch RHS
Operating Handle
T-Off Cable Box (For BKR)
Protection CT mounted on BKR Bushing
Lifting Hooks for Switch Gear
Tank Earthing
End Cover Box (Extensible bushing) 11 8 1 10 2 3 4 13 5 9 6 12 7
© ABB Group
September 17, 2018 | Slide 34

35. Why SafeLink CB? Cost efficiency High standardized volumes
Space saving
Minimal maintenance
Easy installation
High personnel safety
Tested acc. To IEC (internal arc fault)
Interlocking provided for all cable boxes
Arc proof cable covers
Reliability & Power continuity
Climate independent & robust structure
ABB quality (high level production with high quality components)
Environment friendly 95% recyclable
Compact and extensible design with less use material (compared to AIS)
Link til competitor comparison, global contra lokal tilbyder
© ABB Group
September 17, 2018 | Slide 35

36. End of Life SafeLink CB Design compliance - 30 years +
Gas remains inside
Recycling 95% approx by weight (CVC unit)
ABB policy for recycling
We are equipped to re-claim gas from discarded switchgears
© ABB Group
September 17, 2018 | Slide 36

37. © ABB Group
September 17, 2018 | Slide 37