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6.3 Operating mechanism system / coil selection 3RT contactors and 3RH2 contactor relays
6.3
Operating mechanism system / coil selection 3RT contactors and
3RH2 contactor relays
6.3.1
Operating mechanism system / coil selection 3RT2 contactors and 3RH2
contactor relays
The 3RT2 power contactors and 3RH2 contactor relays can be supplied with operating
mechanisms for all standard AC and DC coil voltages. In addition, 3RT2 power contactors in
sizes S0 and S2 are also available with electronic coil control (AC / DC operation) featuring
an extended operating range (helping to reduce variance) and lower closing and holding
powers that enable lower power consumption in the control cabinet. The solenoid coil for
AC / DC operation can be operated with either AC or DC voltage. This is facilitated by control
electronics with an upstream DC operating mechanism.
AC operating
mechanisms
Size
S00 ... S3
Actuation
AC operation
Operating
50 Hz
60 Hz
mechanism
type
Coil surge
Optional (integrated in
suppressor
coupling relays)
Operating
0.8 to 1.1 x U
range
Preferred
24 V
•
voltages
110 V
•
230 V
•
For further details, refer to the chapter titled "Technical data".
1)
At 280 V: high limit = 1.1 x U
2)
Additional voltage versions are available on request.
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006
DC operating mechanisms
S00 ... S0
DC operation
50/60
DC standard
Hz
operating
mechanism
Optional
(integrated
in coupling
relays)
0.8 to 1.1 x U
1)
S
S
24 V
•
110 V
•
220 V
•
.
S
S00 ... S3
DC
DC operating
operating
mechanisms
mechanism
for railway
with low
applications
power input
Integrated
0.7 ... 1.25 x
1)
U
1)
S
24 V
•
110 V
•
Configuration
Electronic operating mechanism
(AC/DC operating mechanism)
S0, S2, S3
AC / DC operation
AC or DC connection possible
Integrated (varistor)
0.7 ... 1.3 x U
(for S0)
S
0.8 ... 1.1 x U
(for S2)
S
0.8 ... 1.1 x U
(for S3)
S
0.8 ... 1.2 x U
(for S2 coupling relay
S
and S3 coupling relay)
S0
21 to 28 V
20 to 33 V
•
•
95 to 130 V
83 to 155 V
•
•
200 to 280 V
175 to 280 V
•
2)
•
S2 / S3
69
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