Appendix
A.1 Ordering Information and Accessories
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
372
1)
only for non-sensitive ground current transformer if 7th digit = 1, 5, 7
2)
for isolated/compensated networks, only for sensitive ground current transformer if 7th digit = 2, 6.
Measuring/Fault Recording Position
13
With fault recording 1
With fault recording, average values, min/max values 3
Functions Position
14 and
15
Description ANSI No. Description F A
Basic Elements (included
in all versions)
— Control
50/51 Time overcurrent protection phase 50-1, 50-2, 50-3, 51, reverse in-
terlocking
50N/51N Ground fault protection ground 50N-1, 50N-2, 50N-3, 51-N
50N/51N Insensitive time overcurrent protection ground via SGFD function;
50Ns-1, 50Ns-2, 51Ns
1)
50/50N Flexible protection functions (parameters from current): additive
overcurrent time protection elements 50-4
49 Overload protection (with 2 time constants)
46 Negative Sequence Protection 46-1, 46-2, 46-TOC
37 Undercurrent monitoring
50BF Breaker Failure Protection
74TC Trip Circuit Monitoring
— Cold-load pickup (dynamic setting changes) 50C-1, 50C-2, 50NC-
1, 50NC-2, 51NC
— Inrush restraint
86 Lock out
IEF — Intermittent ground fault P A
50Ns/51Ns
87N
Sensitive ground fault detection
High-impedance ground fault differential protection
F B
2)
IEF 50Ns/51Ns
—
87N
Sens. ground fault detection
Intermittent ground fault
High-impedance ground fault differential protection
P B
2)
motor IEF 50Ns/51Ns
—
87N
48/14
66/86
51M
Sens. ground fault detection
Intermittent ground fault
High-impedance ground fault differential protection
Motor starting supervision, locked rotor
Restart inhibit
Load jam detection in motors, motor statistics
R B
2)
motor 50Ns/51Ns
87N
48/14
66/86
51M
Sens. ground fault detection
High-impedance ground fault differential protection
Motor starting supervision, locked rotor
Restart inhibit
Load jam detection in motors, motor statistics
H B
2)
motor 48/14
66/86
51M
Motor starting supervision, locked rotor
Restart inhibit
Load jam detection in motors, motor statistics
H A
IEF = Intermittent ground (earth) fault protection