Siemens SIPROTEC 7SJ62 Manual page 557

DGFD Motor Dir IEF
Motor Dir
Motor
DGFD = Directional ground fault detection
IEF = Intermittent ground (earth) fault protection
Dir = Directional Time Overcurrent Protection (67 and 67N Elements)
V, f, P = Voltage protection, frequency protection, power protection
1)
for isolated/compensated networks, only for sensitive ground current transformer if 7th digit = 2, 6
2)
only for non-sensitive ground current transformer if 7th digit = 1, 5, 7
Automatic Reclosing (79) / Fault Locator / Synchronization
with ATEX 100 approval (for the protection of explosion-protected motors of protection type increased safety "e" +Z X 9 9
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
Functions
V, f, P 67/67N Directional overcurrent protection
67Ns Directional sensitive ground fault detection
87N High-impedance ground fault differential protection
— Intermittent ground fault
48/14 Motor starting protection, locked rotor
66/86 Restart inhibit for motors
51M Load jam protection in motors, motor statistics
27/59 Under/Overvoltage 59-1, 59-2, 27-1, 27-2
81O/U Under/Overfrequency
27/47/59(N)/ Flexible protection functions (parameters from current
32/55/81R and voltage): Voltage, power, power factor, frequency
change protection
V, f, P 67/67N Directional overcurrent protection
48/14 Motor starting protection, locked rotor
66/86 Restart inhibit for motors
51M Load jam protection in motors, motor statistics
27/59 Under/Overvoltage 59-1, 59-2, 27-1, 27-2
81O/U Under/Overfrequency
27/47/59(N)/ Flexible protection functions (parameters from current
32/55/81R and voltage): Voltage, power, power factor, frequency
change protection
48/14 Motor starting protection, locked rotor
66/86 Reclosing lockout
51M Load jam protection in motors, motor statistics
Without
79 With 79
21FL With fault locator
79, 21FL With 79 and fault locator
25 With Synchronization
25, 79, 21FL With synchronization, 79 and fault locator
Special model
A.1 Ordering Information and Accessories
R H
H G
H A
Appendix
Pos. 14
and 15
1)
Pos. 16
0
1
2
3
4
7
Supple-
ment
557