Siemens SIRIUS 3RH Series - Connecting the Function Module for Star-Delta (Wye-Delta) Start

SIRIUS 3RA28 function modules for mounting on 3RT2 contactors
7.7 Connection
SIRIUS Innovations
672 System Manual, 01/2011, A8E56203870002-03
Designation Terminal Circuit diagram
3RA2815-.AW10
OFF-delay without
auxiliary voltage, 1 CO
contact
18 NO
15 NC
16 NC
L1(+)
N(-)
S1
A2
A1
16
18
15
Q
3RA2815-.FW10
OFF-delay without
auxiliary voltage, 1 NC
contact/1 NO contact
27 NO
28 NO
35 NC
36 NC
L1(+)
N(-)
S1
A2
A1
36
28
27 35
Q
Reference
More information ... Can be found in the chapter titled ...
About conductor cross-sections Conductor cross-sections (Page 79)
7.7.2 Connecting the function module for star-delta (wye-delta) start
Control
Control is exclusively via terminals A1 and A2 on the line contactor; no further control circuit
wiring is required.
Designation Terminal Circuit diagram
3RA2816-0EW20 —
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