Table of Contents
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1MRS 750603-MUM EN
Issued 96-12-31
Version A (replaces 34 SPCJ 3 EN1)
Checked TK
Approved TK
Data subject to change without notice
Contents
Features
2
Features .......................................................................................................................... 2
Description of function .................................................................................................. 3
Block diagram ................................................................................................................. 4
Front panel ..................................................................................................................... 5
Start and operation indicators ......................................................................................... 6
Relay settings .................................................................................................................. 6
Selector switches ............................................................................................................. 7
Measured information .................................................................................................... 8
Recorded information ..................................................................................................... 9
Main menu and submenus of settings and registers ...................................................... 10
Time/current characteristic ........................................................................................... 11
Technical data .............................................................................................................. 16
Event codes ................................................................................................................... 17
Remote transfer data ..................................................................................................... 18
Fault codes.................................................................................................................... 21
Low-set neutral overcurrent stage I
selectable definite time or inverse definite mini-
mum time (IDMT) operation characteristic
High-set neutral overcurrent stage I
definite time operation characteristic
Automatic doubling feature of the set start value
of the high-set stage I
>> on sudden rise of the
0
energization current can be selected
The high-set stage I
>> can be set out of opera-
0
tion if not needed
Non-directional
earth-fault relay module
> with
Both neutral overcurrent stages can sep-arately
0
be blocked with an external control signal
Memory controlled function of start and opera-
>> with
tion indicators selectable
0
Digital display of measured and set values as well
as data recorded at the moment a fault occurs
Constant self-supervision of hardware and soft-
ware. At a permanent fault the alarm output
relay picks up and the operation of tripping and
signalling outputs is blocked
SPCJ 1C8
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