Siemens SIRIUS 3RT - Page 245

Accessories
9.1 Overview of accessories for 3RT2 contactors
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006
245
Table 9- 2 Overview - Accessories (for sizes S2 and S3) for 3RT2 power contactors
Accessories
3RT2 power contactor
(size S2)
3RT2 power contactor
(size S3)
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
✓
1)
✓
1)
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
✓
✓
1)
The 3RT1916-4JA02 insulating stop can be used on the connection terminals for the auxiliary circuit of the 3RT2.3 and
3RT2.4 contactors.
Table 9- 3 Overview of snap-on modules for front mounting on 3RT2 contactors
Auxiliary switches
Snap-on modules for contactor control
Normal Time-delayed Conventional control circuit wiring Communication connection via ASi /
IO-Link
Electrical Electrical Pneumatic Coupling
link
for direct
starting
Snap-on
timing relay
Direct
starting
Wye-delta Direct-on-
line start
Reversing
start
Wye-delta
3RH29.1 3RA2813
3RA2814
3RA2815
3RT2926-2P 3RH2914-
.GP11
3RA2811
3RA2812
3RA2831
3RA2832
3RA2816 3RA271.-.A 3RA271.-.B 3RA271.-.C