Siemens SIRIUS System Manual

3RT1/3RH1 contactors
SIRIUS System Manual
3-38
GWA 4NEB 430 0999-02b
4-pole contactor combi-
nation for reversing
4-pole contactor combinations for reversing are available in frame sizes S0
and S2. You will require the following to mount these combinations:
• Frame size S0: locking device for mechanical interlock
• Frame size S2: locking device for mechanical interlock and 2 connecting
clips
The following table shows you how to set up the 4-pole contactor combina-
tion for reversing in frame size S0:
Figure 3-17: 4-pole contactor combination for reversing (frame size S0)
Drawing: frame size S0 Step Procedure
1/2
Remove the 4th pole from
one of the two contactors
by releasing the snap catch
(1)
.
3/4
Put the 4th pole on the
other side of the same con-
tactor by placing the cat-
ches on the pole into the
openings shown on the con-
tactor and snapping the pole
onto the contactor.
5/6
Mount the mechanical inter-
lock between the two con-
tactors
(5/6)
.
2
1
1
3
4
3
4
6
5
3RA1924-2B

Siemens SIRIUS Specifications

General

Product brand name	Siemens
Series	SIRIUS
Coil Voltage	24V DC, 110V AC, 230V AC
Switching Capacity	Up to 10A
Mounting Type	DIN rail
Product designation	SIRIUS
Contact Material	Silver alloy
Contact Rating	Varies depending on the specific SIRIUS relay model (e.g., 6 A at 250 V AC, 10 A at 250 V AC)
Switching Voltage	Varies depending on the specific SIRIUS relay model (e.g., 250 V AC, 400 V AC)
Mechanical Life	Up to 10 million operations
Electrical Life	Up to 100, 000 operations
Operating Temperature	-25°C to +55°C
Protection Class	IP20
Size of relay base	Varies depending on the specific SIRIUS relay model