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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
■
Technical specifications
More information
Industry Mall,
see www.siemens.com/product?3RA6
System Manual,
see
.
FAQs,
Note on security:
In order to protect plants, systems, machines and networks against cyber
threats, it is necessary to implement – and continuously maintain – a holistic,
state-of-the-art industrial security concept. Siemens products and solutions
represent only one component of such a concept.
For more information about the subject of Industrial Security,
see www.siemens.com/industrialsecurity
.
Type
3RA61
3RA62
3RA64
3RA65
Size
S0
Number of poles
3
Mechanics and environment
Mounting dimensions (W x H x D)
• Screw terminals
mm
45 x 170 x 165
90 x 170 x 165
45 x 170 x 165
90 x 170 x 165
• Spring-type terminals
mm
45 x 191 x 165
90 x 191 x 165
45 x 191 x 165
90 x 191 x 165
Depth from standard mounting rail
mm
160
Permissible ambient temperature
• During operation
(for permissible operational current,
see the
following section "Electrical specifications"
)
°C
-20 ... +70, restriction as from 60 depending on design
• During storage
°C
-55 ... +80
• During transport
°C
-55 ... +80
Permissible mounting position
Shock resistance
(sine-wave pulse)
a
= 60 m/s² = 6
g
with 10 ms; for every 3 shocks in all axes
Vibratory load
f
= 4 ... 5.8 Hz;
d
=15 mm;
f
= 5.8 ... 500 Hz;
a
= 20 m/s
2
;10 cycles
Degree of protection
Acc. to IEC 60947-1
IP20
Installation altitude
m
Up to 2 000 above sea level without restriction
Relative air humidity
%
10 ... 90
Degree of pollution
3
Electrical specifications
Device standard
IEC 60947-6-2
Maximum rated operational voltage
U
e
V
V
690
400 at 3RA6250-.E... and 3RA6500-.E...
(Reversing starter 32 A designs)
Rated frequency
Hz
50/60
Rated insulation voltage
U
i
(pollution degree 3)
V
690
Rated impulse withstand voltage
U
imp
kV
6
Rated operational current
I
e
1)
and setting range for overload release
0.1 ... 0.4 A
A
0.4
0.32 ...1.25 A
A
1.25
1 ... 4 A
A
4
3 ... 12 A
A
12
8 ... 32 A
A
32
Permissible operational current of the compact starter
2)
Wen several compact starters are mounted side-by-side in the infeed system
for 3RA6 (for more details on the various design variants,
see System Manual "SIRIUS 3RA6 Compact Feeders",
)
• For a control cabinet inside temperature of
+40 °C
%
100
• For a control cabinet inside temperature of
+60 °C
%
80
• For a control cabinet inside temperature of
+70 °C
%
60
Trip class (CLASS)
Acc. to IEC 60947-4-1,
EN 60947-4-1
(VDE 0660 Part 102)
10/20
Overload function
Ratio of lower to upper current mark
1:4
Rated service short-circuit breaking capacity
I
CS
at 50/60 Hz, 400 V AC
kA
53
Rated service short-circuit breaking capacity
I
CSIT
at 50/60 Hz 400/690 V AC
in IT systems
kA
1.5
1)
For use of 3RA6 compact starters in conjunction with highly energy-efficient
IE3/IE4 motors, please observe the information on dimensioning and
configuring in the "Application Manual for Controls with IE3/IE4 Motors",
see
.
2)
Details about installation conditions and the use of the compact starters,
and particularly about the derating of the rated current, can be found in the
System Manual "SIRIUS Compact Starters and Accessories".
W
H
D
NSB0_00649a
22,5° 22,5°
90°
90°
© Siemens AG 2016