Siemens SIPROTEC 4 7SJ61 Manual page 348

Ordering Information and Accessories
A.1 Ordering Information 7SJ61 V4.9
Functions
IEF
IEF
motor IEF
motor
motor
IEF = Intermittent ground (earth) fault protection
1) only for non-sensitive ground current transformer if the 7th digit = 1, 5, 7
2) for isolated/compensated networks, only for sensitive ground current transformers if the 7th digit = 2, 6
Automatic Reclosing (79)
Special model
with ATEX 100 approval (for the protection of explosion-protected motors of protection type
increased safety "e"
348
50BF Breaker failure protection
74TC Trip circuit monitoring
— Cold-load pickup (dynamic setting changes)
— Inrush stabilization
86 Lock out
— Intermittent ground fault
50Ns/51Ns Sensitive ground fault detection High-impedance ground fault
differential protection
87N
50Ns/51Ns Sensitive ground fault detection
— Intermittent ground fault
87N High-impedance ground fault differential protection
50Ns/51Ns Sensitive ground fault detection
— Intermittent ground fault
87N High-impedance ground fault differential protection
48/14 Startup-time monitoring, locked rotor
66/86 Motor restart inhibit
51M Load jam detection in motors, motor statistics
50Ns/51Ns Sensitive ground fault detection
87N High-impedance ground fault differential protection
48/14 Startup-time monitoring, locked rotor
66/86 Motor restart inhibit
51M Load jam detection in motors, motor statistics
48/14 Startup-time monitoring, locked rotor
66/86 Motor restart inhibit
51M Load jam detection in motors, motor statistics
Without 79
79 With AWE
Pos. 14
and 15
P A
F B
P B
R B
H B
H A
Pos. 16
0
1
Supplement
+Z X 9 9
SIPROTEC 4, 7SJ61, Manual
C53000-G1140-C210-6, Edition 05.2016
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