2
SPCJ 1C7
Sensitive earth-fault
relay module
1MRS 750810-MUM EN
Issued 97-08-05
Version A (replaces 34 SPCJ 4 EN1)
Checked TK
Approved TK
Data subject to change without notice
Contents
Features .......................................................................................................................... 2
Function ......................................................................................................................... 3
Block diagram ................................................................................................................. 4
Front panel ..................................................................................................................... 5
Start and operation indicators ......................................................................................... 5
Settings ........................................................................................................................... 6
Selector switches ............................................................................................................. 6
Measured data ................................................................................................................ 7
Recorded information ..................................................................................................... 8
Menu chart ..................................................................................................................... 9
Technical data .............................................................................................................. 10
Event codes ................................................................................................................... 11
Remote transfer data ..................................................................................................... 12
Fault codes.................................................................................................................... 15
Features
Definite time low-set residual current stage I
0
>,
setting range 0.2…50% x I
n
Definite time high-set residual current stage
I
0
>>, setting range 1…200% x I
n
.
The operation of the high-set residual current
stage can be set out of function
The operation of both residual current stages
can be blocked by means of an external control
signal
Local display of measured currents, set start
currents, recorded fault data and other relay
parameters
Remote serial communication capability
Enhanced reliability and system availability
through extensive continuous self-supervision
of hardware and software
Powerful software for setting and monitoring
the relay module using a portable PC