Siemens SIRIUS System Manual

3RA1 fuseless load feeders
SIRIUS System Manual
GWA 4NEB 430 0999-02b
5-27
3RA1 fuseless load feeders - frame size S3 for rail
Figure 5-22: 3RA1 direct-on-line starting (frame size S3) 3RA1 reversing operation (frame size S3)
1) Space above the arc chute
2) Lockable in zero position with a shackle diameter of 5 mm
3) Attached using two 35 mm rails with a depth of 7.5 mm in acc. with EN 50 022 or one 75 mm rail in acc. with EN 50 023.
4) Hexagonal socket 4 mm
Clearance to grounded parts at the side at least 6 mm
NSK-8200
330
12
7
60
23
SIEMENS
SIEMENS
2)
4)
3)
111
111
195
100
160
72
DC 173
5
5
40
125
8
310
320
8
23
23
12
70
1)
NSK-8176
80
150
320
330
12
87
55
60
23
SIEMENS
SIEMENS SIEMENS
2)
4)

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