Front Panel - ABB SPAA 341 C /E351 User Manual

Front panel

Phase current and residual current indicators during
current measurement and phase fault indicators
at relay operation
Indicator for the start current of stage I>
Indicator for the operate time t> or time multiplier k
Indicator for the start current of stage I>> and
the operate time t>>
Indicator for the start current of stage I>>> and the
operate time t>>>
Indicator for the start current of stage I
Indicator for the operate time t
Indicator for the start current of stage I
operate time t >>
0
Indicator for the start current of stage ∆I> and
the operate time t∆>
Indicator for the checksums of switchgroups SGF1...8
Indicator for the checksums of switchgroups SGB1...3
Indicator for the checksums of switchgroups SGR1...11
I I I I
o
L1 L2 L3
RESET
/
I > I
n
[ ]
t > s
k
/
I >> I
n
[ ]
t >> s
/
I >> > I
n
[ ]
t >> > s
/
> I
I
0 n
[ ]
t > s
0
k
0
/
I >> I
0 n
[ ]
t >> s
0
∆
[ ]
I >
%
∆
[ ]
>
t s
PROGRAM
SGF
SGB
SGR
SPCJ 4D28
Fig. 3. Front panel of the combined overcurrent and earth-fault relay module SPCJ 4D28
>
0
> and the time multiplier k
0
>> and the
0
3 >
I
Device symbol
I
IRF
Indicator for self-supervision alarm
Display window
STEP
Reset and display step push-button
Setting push-button
Operation indicator
TRIP
Type designation of relay module
I
I I
L1 L2 L3
/
I > I
n
[ ]
>
t s
k
/
>>
I I
n
[ ]
t >>
s
/
I >> > I
n
[ ]
t >> >
s
/
>
I I
0 n
[ ]
>
t s
0
0
k
0
/
I >> I
0 n
[ ]
t >> s
0
∆
[ ]
>
I %
∆
[ ]
t > s
SGF
SGB
SGR
SPCJ 4D28
3 >
I
I
I
IRF
o
RESET
STEP
PROGRAM
TRIP
7