Auxiliary Switch; Description - Siemens SIRIUS 3RT Series System Manual

SIRIUS 3RV2 motor starter protectors
4.9 Accessories
4.9.3

Auxiliary switch

4.9.3.1

Description

Function
The contacts of the auxiliary switch open and close along with the main contacts on the
motor starter protector.
Versions
Table 4- 8 Auxiliary switch versions
Auxiliary switch
Transverse auxiliary switch
Solid-state compatible
transverse auxiliary switch
for operation in dusty
atmosphere and in solid-state
circuits with low operational
currents
Cover caps for transverse
auxiliary switch
to ensure finger-safety
Lateral auxiliary switch
Note
 A maximum of four auxiliary contacts with auxiliary switches can be mounted on each
motor starter protector.
 Auxiliary switches (2 contacts) and signaling switches can be mounted individually or
together.
410
Versions
1 CO contact
1 NO contact + 1 NC
contact
2 NO contacts
1 CO contact
-
1 NO contact + 1 NC
contact
2 NO contacts
2 NC contacts
2 NO contacts + 2 NC
contacts
Connection system Width
Screw connection 45 mm
Screw-type/spring-
loaded connection,
ring cable lug
Screw-type/spring-
loaded connection
Screw connection 45 mm
Screw connection 45 mm
Screw-type/spring- 9 mm
loaded connection,
ring cable lug
Screw-type/spring- 9 mm
loaded connection
Screw-type/spring- 9 mm
loaded connection
Screw connection 18 mm
System Manual, 01/2011, A8E56203870002-03
Mountable
Front side
Front side
Front side
Left-hand side
SIRIUS Innovations