Siemens SIRIUS System Manual

3RH, 3TX, LZX coupling links
SIRIUS System Manual
6-14
GWA 4NEB 430 0999-02b
6.5 Mounting and connection
6.5.1 Mounting
Snap-on attachment
The coupling links are snapped onto 35 mm rails in acc. with EN 50 022.
With a vertical rail and tightly packed devices, the permissible ambient tem-
perature T
U
is 60° C.
Any installation position is possible.
6.5.2 Connection
The coupling links are available with the SIGUT

terminal system, with
screw-type terminals, or with Cage Clamp terminals.
Cage Clamp terminals
Important
Risk of injury
When making connections using the Cage Clamp terminal system, you
should support your screwdriver with your finger to prevent the screwdriver
slipping.
Figure 6-6: Cage Clamp terminals, coupling links

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