SIRIUS 3RA28 function modules for mounting on 3RT2 contactors
7.7 Connection
SIRIUS Innovations
670 System Manual, 01/2011, A8E56203870002-03
NOTICE
If the 3RA2812 timing relay with OFF-delay is fitted, the contactor coil is contacted through
the timing relay.
Contactor coil terminals A1 and A2 must not be connected.
Designation Terminal Circuit diagram
3RA2812-.DW10
OFF-delay with
auxiliary voltage
B1 (+)
A4 (-)
A3 (+)
$
$
/
1
4
5$
%
6
$
$
Reference
More information ... Can be found in the chapter titled ...
About conductor cross-sections Conductor cross-sections (Page 79)