3Rt10 / 3Rt14 Power Contactors And 3Rt12 Vacuum Contactors - Siemens SIRIUS 3RT Manual

4.2.2

3RT10 / 3RT14 power contactors and 3RT12 vacuum contactors

The 3RT1 contactors are equipped with conventional AC / DC and solid-state AC / DC
operating mechanism options.
The solid-state operating mechanism has two operating modes and can be optionally
equipped with a remaining lifetime signal.
Versions
Table 4- 2 Versions of the 3RT1 power contactors
Feature
Version
Number of poles
Number of factory-
mounted auxiliary
contacts
Auxiliary contact complement
The vacuum contactors can be fitted with up to eight lateral auxiliary contacts. Please ensure
symmetry in the case of laterally-mounted auxiliary switch blocks. Up to four NC contacts are
permissible.
Connection systems
The contactors can be supplied with the connection systems detailed below:
● Screw connection
● Spring-loaded connection
● Bus connection
● Box terminal connection
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006
Specifications
3RT10 power contactor and
3RT12 vacuum contactors
for switching of electrical
loads
S6
S10
S12
3RT10 power contactor with
extended operating range
for rail applications
3
2 NC contacts and 2 NO contacts
2 NC contacts and 2 NO contacts
2 NC contacts and 2 NO contacts
Product description
4.2 Device versions
3RT14 power contactor for
switching resistive loads
41