Siemens SIRIUS System Manual

3RA1 fuseless load feeders
SIRIUS System Manual
GWA 4NEB 430 0999-02b
5-13
The following illustrations show how to assemble the fuseless load feeder:
• Rail adapter
• Reversing operation
• Frame size S2 (assembly of frame size S3 is analogous)
Figure 5-7: Self-assembly, rail, reversing operation (frame sizes S2 and S3)
4
4
7
8
8
11
10
9
9
12
13
14
14
14
14
3RA1931-1.
3RA1941-1.
3
2
1
3
Kits
S2: 3RA1933-1B
S3: 3RA1943-1B
3RA1924-2B
S2: 4X
S3: 6X
5
6
5

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