ABB SPCJ 4D29 - Front Panel Layout and Indicators

6
Fig. 2. Front panel of the combined overcurrent and earth-fault relay module SPCJ 4D29.
Relay module symbol
Self-supervision alarm indicator
Digital display
Reset and display step push-button
Selector push-button
TRIP indicator
Type designation of the module
Indicators for the measured phase currents I
L1
, I
L2
, I
L3
and the residual current I
0
Indicator for the start current of the I> stage
Indicator for the operate time t> or time multiplier k
of the I> stage
Indicator for the start current of the I>> stage
Indicator for the operate time of the I>> stage
Indicator for the start current of the I
0
> stage
Indicator for the operate time t
0
> or time multiplier k
0
of the I
0
> stage
Indicator for the start current of the I
0
>> stage
Indicator for the operate time of the I
0
>> stage
Indicator for the checksum of switchgroups SGF1…2
Indicator for the checksum of switchgroup SGB
Indicator for the checksum of switchgroups SGR1...3
Front panel
[
SGR
SGB
SGF
SPCJ 4D29
TRIP
PROGRAM
RESET
STEP
L1 L2 L3 o
IRF
3
>
I
I
I
II
I
>
n
I
I
/
k
s
>
t
]
n
>
>
I
I
/
s
>
>
[]
t
s
o
>
k
o
[]
t
n
o
>
I
I
/
s
>
>
o
t
[]
n
>
>
o
I
/
I
0012A
[
SGR
SGB
SGF
SPCJ 4D29
TRIP
PROGRAM
RESET
STEP
L1 L2 L3 o
IRF
3
>
I
I
I
II
I
>
n
I
I
/
k
s
>
t
]
n
>
>
I
I
/
s
>
>
[]
t
s
o
>
k
o
[]
t
n
o
>
I
I
/
s
>
>
o
t
[]
n
>
>
o
I
/
I
0012A