Type of voltage / of the controlled supply voltage
Control supply voltage / 1
• for DC
DC
• initial rated value
V
V
15
24
• final rated value
Control supply voltage
• for DC / final value for signal<0>-recognition
Control current
V
5
• at minimum control supply voltage / for DC
• for DC / rated value
mA
mA
2
15
Fuse assignments
https://www.automation.siemens.com/cd-
static/material/info/3RF21_eng.pdf
Installation/mounting/dimensions:
Type of mounting
screw and snap-on mounting onto 35 mm standard
mounting rail
Type of fixing/fixation / series installation
Yes
M4
Design of the thread / of the screw for fastening of the operating
resource
Tightening torque / of the screw for fastening of the operating
resource
N·m
1.5
Width
Height
Depth
mm
mm
mm
22.5
100
94
Connections:
Design of the electrical connection / for main current circuit
screw-type terminals
M4
Design of the thread / of the connection screw / for main
contacts
Tightening torque / for main contacts
• with screw-type terminals
Tightening torque (lbf·in) / for main contacts
• with screw-type terminals
Type of the connectable conductor cross-section
• for main contacts
N·m
2 … 2.5
18 … 22
lbf·in
• solid
2x (1.5 ... 2.5 mm²), 2x (2.5 ... 6 mm²)
• finely stranded
• with conductor end processing
• for AWG conductors
2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm²
• for main contacts
2x (14 ... 10)
• for auxiliary and control contacts
• for auxiliary and control contacts
1x (AWG 20 ... 12)
3RF2310-1AA04
subject to modifications
Page 3/6
07/24/2012
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SIEMENS [ Siemens Semiconductor Group ]
