SIEMENS
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Siemens IC 10 · 2017
Load Feeders and Motor Starters for Use in the Control Cabinet
SIRIUS 3RA6 Compact Starters
General data
8
✓
Function available
1)
To maintain maximum interference immunity in a harsh electromagnetic
environment, additional overvoltage protection should be provided in the
control circuit. The 5SD7432-4 plug-in surge arrester with remote signaling,
for instance, is suitable.
See Catalog LV 10
.
Electrical specifications
(continued)
Power loss
P
v max
of all main current paths
Dependent on rated current
I
e
(upper setting range)
0.4 A
mW
10
1.25 A
mW
100
4 A
W
1
12 A
W
1.8
32 A
W
5.4
Max. switching frequency
AC-41
1/h
750
AC-43
1/h
250
AC-44
1/h
15
No-load switching frequency
1/h
3 600
3 600, depending on the IO-Link
communication time
Touch protection
Acc. to DIN VDE 0106,
Part 100
Finger-safe
Isolating features of the compact starter
Acc. to IEC 60947-3
✓
Isolation is assured only by moving the actuator into the
"OFF" position.
Main and EMERGENCY-STOP switch
characteristics of the compact starter
and accessories
Acc. to IEC 60204
✓
Protective separation
Acc. to IEC 60947-2
Control circuit to auxiliary circuit
• Horizontal standard mounting rail
V
Up to 400
• Other mounting position
V
Up to 250
Auxiliary circuit to auxiliary circuit
• Horizontal standard mounting rail
V
Up to 400
• Other mounting position
V
Up to 250
Main circuit to auxiliary circuit
• Any mounting position
V
Up to 400
EMC interference immunity
Acc. to IEC 60947-1
Corresponds to degree of severity 3
Conducted interference
BURST acc. to IEC 61000-4-4
• In the main circuit
kV
4
4
• In the auxiliary circuit
kV
3
2
Conducted interference
SURGE acc. to IEC 61000-4-5
• In the main circuit
-
Conductor - Ground
kV
4
2
-
Conductor - Conductor
kV
2
1
• In the auxiliary circuit
-
Conductor - Ground
kV
2
0.5
1)
-
Conductor - Conductor
kV
1
0.5
1)
Auxiliary switches
• Integrated
-
Position of the main contacts
1 NO + 1 NC
2 NO
1 NO + 1 NC
2 NO
-
Overload/short circuit and malfunction signal
1 CO/1 NO
• Expandable
-
Position of the main contacts
2 NO, 2 NC, 1 NO + 1 NC
Surge suppressors
Integrated (varistor)
Electromagnetic operating mechanisms
Control voltage
V
24 AC/DC
24 DC
V
110 ... 240 AC/DC
--
Frequency
At AC
Hz
50/60 (
5 %)
Operating range
0.7 ... 1.25
U
s
0.85 ... 1.2
U
s
No-load switching frequency
1/h
3 600
Line protection
At 10 kA
mm²
2.5
At 50 kA
mm²
4
Shock resistance
• Breaker mechanism OFF
g
25
• Breaker mechanism ON
g
15
Normal switching duty
Making capacity
12 x
I
n
Breaking capacity
10 x
I
n
Switching capacity dependent on
rated current
Up to 12 A
kW
5.5
Up to 32 A
kW
15
Endurance in operating cycles
• Electrical endurance
At
I
e
= 0.9 x
I
n
and 400 V
3 ...
10 000 000
2 x
3 ... 10 000 000
3 000 000
2 x 1 500 000
Type
3RA61
3RA62
3RA64
3RA65
Size
S0
Number of poles
3
© Siemens AG 2016