Siemens 7SC80 - Page 59

Addr. Parameter C Setting Options Default Setting Comments
260 Ir-52 10 .. 50000 A 125 A Rated Normal Current (52
Breaker)
261 OP.CYCLES AT Ir 100 .. 1000000 10000 Switching Cycles at Rated
Normal Current
262 Isc-52 10 .. 100000 A 25000 A Rated Short-Circuit
Breaking Current
263 OP.CYCLES Isc 1 .. 1000 50 Switch. Cycles at Rated
Short-Cir. Curr.
264 Ix EXPONENT 1.0 .. 3.0 2.0 Exponent for the Ix-
Method
265 Cmd.via control (Setting options depend on
configuration)
none 52 B.Wear: Open Cmd. via
Control Device
266 T 52 BREAKTIME 1 .. 600 ms 80 ms Breaktime (52 Breaker)
267 T 52 OPENING 1 .. 500 ms 65 ms Opening Time (52 Breaker)
276 TEMP. UNIT Celsius
Fahrenheit
Celsius Unit of temperature meas-
urement
280 Holmgr. for Σi NO
YES
NO Holmgreen conn. (for fast
sum-i-monit.)
325 Vnom sec Vx 34 .. 230 V 100 V Rated Secondary Voltage
Vx
326 Vnom LPS prim 0.10 .. 800.00 kV 20.00 kV Primary nominal phase
LoPo/LPS voltage
327 Vnom LPS sec 0.500 .. 40.000 V 10.000 V Secondary nominal phase
LoPo/LPS voltage
328 V LPS prim Vx 0.10 .. 800.00 kV 20.00 kV Primary nom. LoPo/LPS
voltage for Vx
329 V LPS sec Vx 0.500 .. 40.000 V 10.000 V Secondary nom. LoPo/LPS
voltage for Vx
330 Iph-prim nom 10 .. 50000 A 400 A Primary nominal phase
current for prot.
331 Iph-LPS prim 10 .. 50000 A 400 A Rated primary phase
current LoPo/LPS
332 Vph-LPS I sec 0.200 .. 20.000 V 10.000 V Rated second. volt. for
current LoPo/LPS
333 Vnom prim Vx 0.10 .. 800.00 kV 20.00 kV Rated Primary Voltage Vx
334 Ignd-prim nom 10 .. 50000 A 400 A Primary nominal earth
current for prot.
335 Ignd-LPS prim 10 .. 50000 A 400 A Rated primary earth
current LoPo/LPS
336 Vgnd-LPS I sec 0.200 .. 20.000 V 10.000 V Rated sec. volt. f. earth
curr. LoPo/LPS
337A CT Ph. Connect. A B C
B C A
C A B
A C B
B A C
C B A
A B C CT Phase terminal connec-
tion
Functions
2.1 General
SIPROTEC Compact, 7SC80, Manual 59
E50417-G1140-C486-A8, Edition 07.2017