Page 1
Siemens AG Low-Voltage Controls and Distribution Data Sheet
SIRIUS SC 3RF23..-.DA.. Solid-State Contactors - Short -Circuit Proof
Main Characteristics:
“Short-circuit proof” with miniature circuit-breaker.
LED display.
Various connection systems.
Plug-in control terminal.
Degree of protection IP 20.
Double-insulated design.
General Data:
Standards / Approvals DIN EN 60947-4-3
UL 508 / CSA
CE
CCC
Ambient temperature
during operation °C -25 ... 60
during storage °C -55 ... 80
Installation altitude m 0 ... 1000; derating starting at 1000
Impact resistance in acc. with DIN IEC 68 g/ms 15/11
Vibration performance g 2
Degree of protection IP20
Electromagnetic compatibility (EMC)
Emitted interference
o Conducted interference voltage
IEC 60 947-4-3
o Radiated, radio-frequency interference
voltage IEC 60 947-4-3
Interference resistance
o Electrostatic discharge in acc. with IEC
61 000-4-2 (equivalent to severity 3)
o Induced HF fields in acc. with
IEC 61 000-4-6
Class A for industrial applications
Class A for industrial applications
kV Contact discharge 4; air discharge 8; performance criteria 2
MHz 0.15 ... 80; 140 dBµV; performance criteria 1
o Burst in acc. with IEC 61 000-4-4 kV 2/5.0 kHz; performance criteria 1
o Surge in acc. with IEC 61 000-4-5 kV Phase-to-ground 2; phase -to-phase 1; performance criteria 2
Type 3RF2320 -1DA.. 3RF2320-2DA.. 3RF2320-3DA..
Connection, main contacts Screw connection Loaded spring Ring type cable lug
Conductor cross-section
2 x (1.5 ... 2.5),
o Solid mm
o Stranded with connector sleeve
o Stranded w/o connector sleeve
o Solid or stranded AWG
Stripping length mm 10 10
Terminal screw M 4 - M 5
o Tightening torque
Cable lug DIN - -
JIS - -
Connection, auxil. / control contacts
Conductor cross-section
Stripping length mm 7 10 7
Terminal screw M 3 - M 3
o Tightening torque
2
2 x (2.5 ... 6)
2 x (1 ... 2.5),
mm2
2 x (2.5 ... 6), 1 x 10
mm2 2x (0.5 ... 2.5)
2 x (14 ... 10) 2 x (18 ... 14)
Nm 2 ... 2.5 - 2.5 ... 2
lb.in 18 ... 22 - 18 ... 22
mm²
0.5 ... 2.5
AWG
20 ... 12
Nm 0.5 ... 0.6 - 0.5 ... 0.6
lb.in 4.5 ... 5.3 - 4.5 ... 5.3
2x (0.5 ... 2.5)
2x (0.5 ... 1.5)
0.5 ... 1.5
20 ... 12
DIN 46234 -5-2.5, -5-6, -510, -5-16, -5-25
JIS C 2805 R 2-5, 5.5-5, 85, 14-5
0.5 ... 2.5
20 ... 12
Subject to changes 08/2003 Page 1/4
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Siemens AG Low-Voltage Controls and Distribution Data Sheet
2 4 6 8 10 12 14 16 18 20 22 24 26 0 4 8 12 16 20 24
Module power loss PM in W
0 10 20 30 40 50 60
Ie in A
in acc. with
Rated peak withstand
SIRIUS SC 3RF23..-.DA.. Solid-State Contactors - Short -Circuit Proof
Main Circuit:
Type 3RF2320 -?DA? 2 3RF2320 -?DA? 4
Rated operating voltage Ue V 24 ... 230 230 ... 460
• Tolerance
• Rated frequency
Rated insulation voltage Ui V 600
Blocking voltage V 800 1200
Slew rate V/µs 1000
% -15/+10
Hz 50/60
At 40 °C ambient
temperature, refer to
Characteristic Curves
Type A A A W A A
3RF2320-? DA. 20 13.2 17.6 20 0.5 0.01
I
max
I
e
IEC947-4-3
Ie
UL/CSA
Power loss
at I
max
Min. load
current
Leakage current
Type A A2s
3RF2320-? DA. 1150 6600
current Itsm
I2t value
Minimum Clearances for Individual Mounting1:
Characteristic Curves:
3RF2320-.
Upper curves:
I
thermal
max
limit current
Lower curves:
Rated current Ie
in acc. with
DIN EN 60947-4-3
Continuous lines:
Individual mounting
Dashed lines:
Side-by-side
mounting
30.00
25.00
20.00
15.00
10.00
5.00
0.00
Ambient temperature Ta in °C
0
Ie in A
1
Dimensions in mm, (in)
Subject to changes 08/2003 Page 2/4
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Page 3
Siemens AG Low-Voltage Controls and Distribution Data Sheet
SIRIUS SC 3RF23..-.DA.. Solid-State Contactors - Short -Circuit Proof
Fused Design with Semiconductor Protection2
Semiconductor ferrule fuse
Type General purpose fuse
LV HRC design gR/SITOR 3NE 1
3RF2320-? DA?2 3NE1820-0 3NC2280
3RF2320-? DA?4 3NE1020-0 3NC2280
10 x 38 mm
aR / SITOR
14 x 51 mm
aR / SITOR
22 x 58 mm
aR / SITOR
Semiconductor Protection in Fuseless Built-On Accessories
The following miniature circuit-breakers with B characteristic and 10 kA breaking capacity
protect the 3RF2320-.DA.. solid -state contactors against short-circuits at the load and at the
indicated conductor cross-sections and lengths:
Rated current of the
miniature circuit -breaker
6 A 5SY4106-6 1 mm² 5 m
10 A 5SY4110-6 1.5 mm² 8 m
16 A 5SY4116-6 1.5 mm² 12 m
16 A 5SY4116-6 2.5 mm² 20 m
20 A 5SY4120-6 2.5 mm² 20 m
Example
Type
Max. line crosssection
Line length
from the contactor to the load
Control Circuit:
Type 3RF2320-?DA 0. 3RF2320-?DA2.
Operating type DC operation AC operation
Rated control supply voltage Us V 24 in acc. with EN 61131-2 110 ... 230
Rated operating voltage Uc V 30 253
Rated operating current mA 15 6
Rated frequency of the control supply voltage Hz 50/60
Threshold voltage V 15 90
• At threshold current
Drop-out voltage V 5 40
Switching times ON delay ms 1 + add. max. one half wave 40 + 1 + add. max. one half wave
OFF delay ms 1 + add. max. one half wave 40 + 1 + add. max. one half wave
mA 2 2
Dimension Drawing3:
2
The table contains the maximum fuse size permissible. Smaller fuses with a rated current down to
the rated current of the load can be used without concern.
3
Dimensions in mm, (in)
Subject to changes 08/2003 Page 3/4
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Page 4
Siemens AG Low-Voltage Controls and Distribution Data Sheet
SIRIUS SC 3RF23..-.DA.. Solid-State Contactors - Short -Circuit Proof
Equipment Circuit Diagram:
PE
1 L
A1 +
A2 -
2 T
PE
1 L
A1 ~
A2 ~
2 T
3RF2320-?DA0. 3RF2320-?DA2.
Us = 24 V DC Us = 110 ... 230 V AC
Sample Circuit Diagram:
F1 Main circuit fuse
F2 Control circuit fuse
K1 3RF2 solid-state relay
R Load resistance
L
N
PE
1/N/PE 50 Hz 230 V
F1
F2
K1
1 L
PE
A1 ~
A2 ~
2 T
R
S1
ON /OFF
Accessories:
Function module Order No. Applicable with the
following types
Converter 3RF2900-0EA18 3RF2320-?DA 0. Us = 24 V DC
Basic load monitoring 3RF2920-0FA08 3RF2320-1DA0. Screw connection,
Extended load monitoring4 3RF29..-0GA.. 3RF2320-1. Screw connection
3RF2320 -3. Ring-type cable lug
Terminal cover5 3RF2900-3PA88 3RF2320-1. Screw connection
3RF2320 -3. Ring-type cable lug
Versions
Us = 24 V DC
4
The exact assignment of function modules is available in the LV 10 catalog.
5
With screw connections, the terminal cover must be adjusted for use.
Subject to changes 08/2003 Page 4/4
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