SFG Top Unit FIPTMV Medium Voltage Technology 1

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SFG Top Unit FIPTMV © Medium Voltage Technology - 1 -6/13/2021 Medium Voltage Technology

SFG Top Unit FIPTMV © Medium Voltage Technology - 1 -6/13/2021 Medium Voltage Technology

Main applications of the SFG © Medium Voltage Technology - 2 - n The

Main applications of the SFG © Medium Voltage Technology - 2 - n The SFG is a standard component in the Uniswitch MV switchgear worldwide

Uniswitch construction 1) Busbar compartment 2) The SFG switch disconnector © Medium Voltage Technology

Uniswitch construction 1) Busbar compartment 2) The SFG switch disconnector © Medium Voltage Technology - 3) Cable compartment 4) Operating device, interlocking device and low voltage compartment

© Medium Voltage Technology - 4 - The SFG Top. Unit n 3 -position

© Medium Voltage Technology - 4 - The SFG Top. Unit n 3 -position indoor switch disconnector n Extremely durable operating device with optional tripping and motor operation n Epoxy resin enclosure with inspection windows

The SFG Top. Unit at a glance n A compact SF 6 -gas insulated

The SFG Top. Unit at a glance n A compact SF 6 -gas insulated indoor switch disconnector n Rated voltage 12 -24 k. V n Rated current 630 -800 A n SFG Top. Unit dimensions: Length: n Width: n Weight: © Medium Voltage Technology - 5 - n n 835 mm 375 and 500 mm about 40 kg 3 positions: closed - open - earth

SFG Construction n Gas compartment is sealed for life (EN 50187) n 3 positions:

SFG Construction n Gas compartment is sealed for life (EN 50187) n 3 positions: closed - open - earth 2 windows for visual position inspection n Earthing switch with full making capacity n Magnetic blow type arc eliminator n Integrated capacitive divider for voltage indication © Medium Voltage Technology - 6 - n

© Medium Voltage Technology - 7 - SFG TOP UNIT - features n Safety:

© Medium Voltage Technology - 7 - SFG TOP UNIT - features n Safety: Made to highest IEC standards, non corrosive leak proof enclosure, inspection windows, integrated voltage indicator, interlocking device, gas gauge, etc. n Economy: A life span of minimum 30 years, sealed for life, low maintenance costs n Reliability: Stringent testing of each unit, extremely durable and reliable actuator, worldwide use, etc. n Smart integration: Modular construction, compact size, easy installation, one switch - many applications

SFG Top. Unit - Inspection windows n Provides the possibility to © Medium Voltage

SFG Top. Unit - Inspection windows n Provides the possibility to © Medium Voltage Technology - 8 - visually check the switch position

SFG Top. Unit - Single spring mechanism n Compact, economical and durable construction n

SFG Top. Unit - Single spring mechanism n Compact, economical and durable construction n Minimum number of parts n Sealed for life n Stainless steel and aluminium n Three positions in one device n 1 operation shaft as standard, 2 shafts as an option © Medium Voltage Technology - 9 - n Optional motor operating device n Patented position indicator n Easy to install

SFG Top. Unit - Double spring mechanism n Fuse tripping function. Trip coil and

SFG Top. Unit - Double spring mechanism n Fuse tripping function. Trip coil and emergency pushbutton as option n Compact, economical and durable construction n Three positions in one device n 1 operation shaft as standard, © Medium Voltage Technology - 10 - 2 shafts as an option n Motor operating device as a build-on option n Patented position indicator n Easy to install

SFG Top. Unit - Accessories n Operating mechanism: 1 -spring or 2 -spring n

SFG Top. Unit - Accessories n Operating mechanism: 1 -spring or 2 -spring n manual or motorized operation n 1 or 2 operating shafts © Medium Voltage Technology - 11 - n n Remote control n Key interlocking device n Gas pressure gauge n Fuse base and tripping n Mechanical position indication n Etc.

SFG Top. Unit - Ratings Rated voltage (k. V) Rated lightning impulse withstand voltage,

SFG Top. Unit - Ratings Rated voltage (k. V) Rated lightning impulse withstand voltage, BIL – common value – across the isolating distance 12 17, 5 24 (k. V) 75 85 95 110 125 145 (k. V) (A) 28 32 800 38 45 800 50 50 630 (A) (k. A) (A) (c/o) (bar) 800 62, 5 25 1530 125 5000 1000 0. 4 800 50 20 1260 100 5000 1000 0. 4 630 50 20 920 80 5000 1000 0. 4 Rated short-duration power-frequency withstand voltage – common value – across the isolating distance Rated current Mainly active load breaking current © Medium Voltage Technology - 12 - – 100 CO operations Making capacity (3 -times) Short circuit current, 3 s Breaking capacity, IEC 60265 -1 Max fuse Mechanical endurance of switch Mechanical endurance of earthing Rated filling pressure (gauge)