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Setting table MFR 7SJ551 − − type 3
type 3 − − motor protection
Setting table MFR 7SJ551
motor protection
Serial number:
Station:
Feeder:
DEVICE DATA
DEVICE DATA
LINE FREQ.
[Hz]
50
I
[I
]
flc
n
DEVICE TYPE
ROTATING
ROTATING
I
[I
]
noload
n
I
[I
]
start
n
t
[s]
start
k
stat
k
inv
n
warm
n
cold
CHANNELS
CHANNELS
PHASE
PHASE
L1
E
L2
E
L3
E
I
[A]
1
n
CT RATIO
I
[I
]
7
14
max
n
EARTH
EARTH
e
E
I
[A]
1
en
CT RATIO
I
[I
]
0.35
0.7
e max
en
7
14
VOLTAGE
VOLTAGE
U
E
in
CONNECTION
U
U
ln
ph
U
[V]
100
n
VT RATIO
PROTECTIONS
PROTECTIONS
THERMAL OVERLOAD
THERMAL OVER
LOAD
TH. OVERLOAD
E
τ
[s]
1,stat
τ
[s]
2,stat
p
weight
c
stop,stat
c
stop,rot
θ
[%]
warn
START INHIBIT
START INHIBIT
START INHIBIT
E
t
[s]
inh
θ
[%]
stator
EMERGENCY RESTART
EMERGENCY RESTART
EMERG. RESTRT
E
UNDERCURRENT
UNDERCURRENT
UNDERCURRENT
E
t
[s]
bypass
I<
[I
]
n
t I<
[s]
G88700-C3527-07
LOW SET OVERCURRENT
LOW SET OVER
CURRENT
LOW SET O.C.
CURVE
CHAR
I>
[I
]
n
60
t I>
[s]
I
[I
]
p
n
t
p
NR. OF POINTS
I
[I
]
1
n
t I
[s]
1
I
[I
]
2
n
t I
[s]
2
I
[I
]
3
n
t I
[s]
3
I
[I
]
4
n
t I
[s]
4
I
[I
]
5
n
t I
[s]
5
D
I
[I
]
6
n
D
t I
[s]
6
D
I
[I
]
7
n
5
t I
[s]
7
I
[I
]
8
n
28
t I
[s]
8
I
[I
]
9
n
D
t I
[s]
9
5
I
[I
]
10
n
t I
[s]
10
1.4
I
[I
]
11
n
28
t I
[s]
11
I
[I
]
12
n
D
t I
[s]
12
U
I
[I
]
0
13
n
110
t I
[s]
13
I
[I
]
14
n
t I
[s]
14
I
[I
]
15
n
t I
[s]
15
HIGH SET OVER
HIGH SET OVERCURRENT
CURRENT
HIGH SET O.C.
CURVE
I>>
[I
]
n
D
t I>>
[s]
UNBALANCE
UNBALANCE
UNBALANCE
t
[s]
bypass
I
[I
]
2
n
t
2p
D
DIRECTIONAL EARTHFAULT
DIRECTIONAL EARTHFAULT
DIR. EARTHFLT
CONTROL
COS
U
[U
]
strt
n
D
t U
[s]
strt
DIRECTION I
>
FORW.
φ
FORW.
DIRECTION I
>>
φ
D
φ
[°]
e
δ
[°]
1
δ
[°]
2
δ
[°]
3
- page 1 of 2 -
- page 1 of 2 -
PHASE
EARTH
E
D
E
1
2
1
PHASE
EARTH
E
D
E
1
2
1
E
D
E
D
SIN
BACKW.
BACKW.
MFR 7SJ551
Ordering code:
7SJ551 . - . . A00- 3 3
LOCKED ROTOR
LOCKED ROTOR
LOCKED ROTOR
E
D
t
[s]
lr
2
ZERO SPEED
ZERO SPEED
ZERO SPEED
E
t
[s]
zero
UNDERVOLTAGE
UNDERVOLTAGE
UNDERVOLT.
E
U<
[U
]
n
t U<
[s]
OVERVOLTAGE
OVERVOLTAGE
OVERVOLTAGE
E
U>
[U
]
n
t U>
[s]
U>>
[U
]
n
t U>>
[s]
BREAKER FAILURE TRIP
BREAKER FAIL
URE TRIP
BF TRIP
E
EXTERN
E
I
[I
]
bf
n
t
[s]
bf
CURVE SWITCH
CURVE SWITCH
CURVE SWITCH
E
MODE
CONT
t
[s]
CS
STATUS
STOP/START
BLOCK
BLOCK
BLOCK
E
MODE
CONT
t
[s]
BLOCK
STATUS
STOP/START
TIMERS
E
I<
E
I>/I
E
p
I>>
E
I
>/I
, I
>/I
E
e
ep
p
φ
φ
I
>>, I
>>
E
e
φ
D
U<
E
2
EXTERNAL COM
EXTERNAL COMMAND
MAND
EXT. COMMND
E
t
[s]
EXT
CIRCUIT BREAKER POSITION
CIRCUIT BREAKER POSITION
CB POSITION
E
TRANSIENT DATA
TRANSIENT DATA
START
INTERN
DATA STORAGE
FAULT DT.
REAL TIME CLOCK
REAL TIME CLOCK
FORMAT
DD-MM-YY
RTC SYNC
E
207
D
D
D
D
D
D
D
PULSE
STATUS
RUNNING
D
PULSE
STATUS
RUNNING
D
D
D
D
D
D
D
D
D
EXTERN
TRIP
MM-DD-YY
D
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