Siemens SIRIUS System Manual

3RT1/3RH1 contactors
SIRIUS System Manual
3-54
GWA 4NEB 430 0999-02b
The following table shows you the expansion options for the different frame
sizes:
Table 3-23: Expansion options for auxiliary switch blocks
Auxiliary switch at front
Auxiliary switches that can be attached at the front are hooked into the
opening of the contactors and pulled down until they snap into place. They
can be removed using the release lever in the middle.
Figure 3-31: Auxiliary switch at front
Frame size Auxiliary switch block Connection
S00 1, 3 and 4-pole (attachable at the front) Screw-type/Cage
Clamp terminal
Feeder auxiliary switch (attachable at the front):
• 1-pole (1 NO or 1 NC contact)
• 2-pole (1 NO + 1 NC or 2 NO contacts)
Infeed from above or below possible
Screw-type termi-
nal
S0 to S3 1, and 4-pole (attachable at the front)
2-pole (attachable at the side)
Screw-type/Cage
Screw-type termi-
nal
Clamp terminal
Feeder auxiliary switch (attachable at the front):
• 2-pole (1 NO + I NC contact)
• 2-pole (2 NO or 2 NC contacts)
Infeed from above or below possible
Screw-type termi-
nal
2
1

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