Siemens SIRIUS System Manual

3RA1 fuseless load feeders
SIRIUS System Manual
5-30
GWA 4NEB 430 0999-02b
Conductor cross-sections - main circuit
1) After the box terminals have been removed, lug or busbar connections are possible.
Specifications IEC 60 947-1, EN 60 947-1 (VDE 0660 Part 100)
IEC 60 947-2, EN 60 947-2 (VDE 0660 Part 101)
IEC 60 947-4-1, EN 60 947-4-1 (VDE 0660 Part 102)
Ty p e
Frame size
Number of poles
3RA1.1
S00
3
3RA1. 2
S0
3
3RA1. 3
S2
3
3RA11 4
S3
3
Connection type
Terminal screw
Screw-type
terminal
Pozidriv 2
Screw-type
terminal
Pozidriv 2
Box terminal
Pozidriv 2
Box terminal
Allen screw
Minimum/maximum conductor cross-sections
Finely stranded with wire end ferrule
- 1-wire
- 2-wire
Single- or multi-core
- 1-wire
- 2-wire
Ribbon conductor
Bar connection
Single- or multi-core
Multi-core
mm
2
mm
2
mm
2
mm
2
AWG
AWG
0.5/2.5
0.5/2.5
0.5/4
0.75/2.5 (max. 4)
–
–
2 x (18 to 14)
–
1/6
1/2.5 to 2.5/6
1/6 (max. 10)
1/2.5 to 2.5/6
–
–
2 x (14 to 10)
–
0.75/25
0.75/16
0.75/35
0.75/25
yes
–
2 x (30 to 2)
–
2.5/50
1
)
2.5/35
1
)
2.5/70
1
)
2.5/50
1
)
yes
yes
–
2 x (10 to 1/0)
Connection type
Cage Clamp terminal
mm
2
AWG
2 x (0.5 to 2.5)
2 x (18 to 14)
–
Permissible installation position
Important:
In acc. with DIN 43 602
Start command "
I
"
right or above
90°
90°
NSK-7666
22,5°
22,5
°

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