Siemens SIRIUS 3RT Manual page 245

Table 9- 2 Overview - Accessories (for sizes S2 and S3) for 3RT2 power contactors
Accessories
Auxiliary switch blocks on the front/side
Surge suppressors
OFF-delay devices
Control kit for manual operation of contactor contacts
Coupling link for PLC
LED display indicator module
Coil terminal module
Cover for ring cable lug
Sealable cover
3-phase infeed terminal
1-phase infeed terminal
Parallel switching connector
Link module for two contactors in series
Link module for circuit breaker/motor starter protector
Insulating stop
Function modules
Electronic timing relay with semiconductor output for controlling
•
contactors
Solid-state time-delay auxiliary switches
•
Function module for star-delta (wye-delta) start
•
Function modules for connection to the controller (AS-Interface or
IO-Link) for direct-on-line starting, reversing starting, star-delta
(wye-delta) starting
Assembly kit for reversing contactor assembly
Assembly kit for contactor assembly for star-delta (wye-delta) start
The 3RT1916-4JA02 insulating stop can be used on the connection terminals for the auxiliary circuit of the 3RT2.3 and
1)
3RT2.4 contactors.
Table 9- 3 Overview of snap-on modules for front mounting on 3RT2 contactors
Auxiliary switches
Normal Time-delayed
Electrical Electrical
3RH29.1 3RA2813
3RA2814
3RA2815
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006
Snap-on modules for contactor control
Conventional control circuit wiring
Pneumatic Coupling
link
for direct
starting
3RT2926-2P 3RH2914-
.GP11
9.1 Overview of accessories for 3RT2 contactors
3RT2 power contactor
(size S2)
✓ / ✓
Snap-on Wye-delta
timing relay
Direct
starting
3RA2811 3RA2816
3RA2812
3RA2831
3RA2832
3RT2 power contactor
(size S3)
✓
✓
✓
✓
✓
✓
---
✓
✓
---
✓
✓
✓
✓
1)
✓
✓
✓
✓
Communication connection via ASi /
IO-Link
Direct-on- Reversing
line start start
3RA271.-.A 3RA271.-.B 3RA271.-.C
Accessories
✓ / ✓
✓
✓
✓
✓
✓
✓
✓
✓
---
✓
✓
---
✓
✓
1)
✓
✓
✓
✓
Wye-delta
245