Siemens SIPROTEC 7SK80 - Page 402

Appendix
A.1 Ordering Information and Accessories
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A4, Release date 08.2010
402
1)
Depending on the ground current input at position 7, the function operates either as ground fault protection
(sensitive input) or as ground fault protection (normal I
N
input).
2)
Only delivrable in connection with 6th digit = 1, 2 or 5,
3)
Only delivrable in connection with 6th digit = 3, 4 or 6 (3 x V),
Functions Pos. 15
Designation ANSI No. Description
Basic function (included in all versions)
2)
— Control D
50/51 Time overcurrent protection phase
50-1, 50-2, 50-3, 51
50N/51N Ground fault protection ground 50N-1, 50N-2, 50N-3,
51N
50N(s)/51N(
s)
Ground fault protection
50Ns-1, 50Ns-2, 51Ns
1)
49 Thermal overload protection
74TC Trip circuit supervision
46 Unbalanced load protection
50BF Breaker failure protection
86 Lock out
48 Motor starting protection 48
37 Undercurrent protection
66/86 Motor restart inhibit
14 Jammed rotor protection
51M Load jam protection
— Motor statistics
Cold load pickup (dynamic setting changes)
Monitoring functions
Breaker control
Flexible protection functions (parameters from current):
Inrush restraint
Basic version
3)
+ Directional ground fault detection
+ Voltage protection
+ Frequency protection
67N Directional ground fault protection 67N-1, 67N-2, 67N-
TOC
E
67N(s) Directional ground fault protection 67Ns-1, 67Ns-2,
67Ns-TOC
1)
64/59N Displacement voltage
27/59 Undervoltage / overvoltage 59-1, 59-2, 27-1, 27-2
81 U/O Underfrequency / overfrequency, f< ,f>
47 Phase sequence
32/55/81R Flexible protection functions (parameters from current
and voltage): Voltage, power, power factor, frequency-
change protection