Siemens SIRIUS System Manual

3RT1/3RH1 contactors
SIRIUS System Manual
GWA 4NEB 430 0999-02b
3-87
Snap-on attachment on
rails
Snap-on attachment is possible:
• Frame sizes S00 to S3: on 35 mm rail
• Frame size S3: on 75 mm rail. The height of the rail must be at least
15 mm.
The following illustration shows you how to mount the device onto the rail:
Figure 3-68: Snap-on attachment
Installation positions
The contactors are designed for use on vertical surfaces. The following
installation positions are permissible for AC and DC operation:
Figure 3-69: Installation positions
Frame sizes S00 and S0
Place the device on the upper edge
of the rail, and press it downward
until it snaps onto the lower edge of
the rail
(1)
.
Push the device downward to
release the tension of the mounting
spring, and remove the device by
tilting it
(2)
.
Frame sizes S2 and S3
Place the device on the upper edge
of the rail,
(1)
and press it down-
ward toward the rail until it snaps
onto the lower edge of the rail
(2)
.
Using a screwdriver, push the lug
on the lower rear side of the device
downward to release the tension of
the mounting spring
(3)
, and
remove the device by tilting it
(4)
.
1
2
1
2
3
3
4
315°
225°
22,5°
22,5°
360°
22,5° 22,5°
Without overload relay
With 3RU1 overload relay

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