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Siemens IC 10 · 2017
Coupling Relays
SIRIUS 3RQ3 coupling relays, narrow design
5
Article No. scheme
Note:
The Article No. scheme shows an overview of product versions
for better understanding of the logic behind the article numbers.
For your orders, please use the article numbers quoted in the
selection and ordering data.
Product versions
Article number
Coupling relays with relay output (not plug-in)
3RQ30
@
8
–
@
A
@
0
@
Design and type of output
Output coupler, without manual/automatic switch
1
Input coupler
3
Type of electrical connection
Screw terminals
1
Spring-type terminals (push-in)
2
Control supply voltage
24 V AC/DC
B
115 V AC/DC
E
230 V AC/DC
F
Material of switching
contacts
e. g.
0 = AgSnO2
@
1 = AgSnO2 hard gold-plated
@
Example
3RQ30
1
8
–
1
A
B
0
1
Product versions
Article number
Coupling relays with relay output (not plug-in)
3RQ30
1
8
–
2
A
@
0
8
–
0
A A 0
Railway version with extended operating range 0.7 ... 1.2 x
U
s
Control supply voltage
24 V DC
M
110 V DC
N
Example
3RQ30
1
8
–
2
A
M
0
8
–
0
A A 0
Product versions
Article number
Coupling relays with plug-in relays
3RQ31
1
8
–
@
A
@
0
@
Type of electrical connection
Screw terminals
1
Spring-type terminals (push-in)
2
Control supply voltage
24 V AC/DC
B
115 V AC/DC
E
230 V AC/DC
F
24 V DC
M
Material of switching
contacts
AgSnO2
0
AgSnO2 hard gold-plated
1
Example
3RQ31
1
8
–
1
A
B
0
1
Product versions
Article number
Coupling relays with semiconductor output (not plug-in)
3RQ30
@
@
–
@
S
@
@
0
Current carrying capacity of the semiconductor
output
Control supply
voltage
Switching voltage of
the semiconductor
output
Output coupler
• Without manual/automatic
switch
1 mA ... 0.5 A
3RQ30
5
0
–
@
S
M
5
0
11 ... 30 V DC
10 ... 60 V DC
5 mA ... 2 A
3RQ30
5
2
–
@
S
M
3
0
11 ... 30 V DC
10 ... 30 V DC
1 mA ... 2 A
3RQ30
5
2
–
@
S
M
4
0
11 ... 30 V DC
10 ... 60 V DC
5 mA ... 2 A
3RQ30
5
2
–
@
S
M
5
0
11 ... 30 V DC
20 ... 264 V AC
1 mA ... 3 A
3RQ30
5
3
–
@
S
G
3
0
110 ... 230 V AC/DC
10 ... 30 V DC
5 mA ... 5 A
3RQ30
5
5
–
@
S
M
3
0
11 ... 30 V DC
10 ... 30 V DC
• With manual/automatic
switch
5 mA ... 5 A
3RQ30
6
5
–
@
S
M
3
0
11 ... 30 V DC
10 ... 30 V DC
Input coupler
10 mA ... 0.5 A
3RQ30
7
0
–
@
S
B
3
0
11 ... 30 V AC/DC
10 ... 30 V DC
3RQ30
7
0
–
@
S
G
3
0
110 ... 230 V AC/DC
10 ... 30 V DC
Type of electrical connection
Screw terminals
1
Spring-type terminals (push-in)
2
Example
3RQ30
7
0
–
1
S
B
3
0
© Siemens AG 2016