User's Manual

For Operation in the Control Cabinet
SIRIUS 3RA6 Compact Starters
General data
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SIRIUS Innovations Supplement 2011
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More information
Type 3RA61 3RA62 3RA64 3RA65
Size S0
Number of poles
3
General technical specifications
Device standard IEC/EN 60947-6-2
Mounting dimensions (WxHxD)
• 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
Weight kg
1.4 2.3 -2.4 1.3 2.3
Permissible mounting positions
No restrictions, preferably vertical or horizontal installation
Max. rated current I
e
in the respective setting range
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 ambient temperature
• During operation Acc. to IEC/EN 60721-3-3 °C -20 ... +60, with derating up to +70
• For installation in SIRIUS infeed system for 3RA6 °C
-20 ... +40
• During storage IEC/EN 60732-3-1 °C -55 ... +80
• During transport IEC/EN 60721-3-2 °C -55 ... +80
Permissible rated current of the compact starter,
when several compact starters are mounted side-
by-side on a vertical standard mounting rail
or in the 3RA6 infeed system
For a control cabinet inside temperature of
+40 °C % 100
For a control cabinet inside temperature of
+60 °C % 80
Relative air humidity % 10 ... 90
Installation altitude m Up to 2000 above sea level without restriction
Rated frequency Hz
50/60
Rated insulation voltage U
i
(pollution degree 3)
V 690
Rated impulse withstand voltage U
imp
kV 6
Trip class (CLASS) Acc. to IEC 60947-4-1,
EN 60947-4-1
10/20
Rated short-circuit current I
q
at AC 50/60 Hz 480 V
Acc. to IEC 60947-4-1,
EN 60947-4-1
kA
30 (up to 12 A units)
15 (8 ... 32 A unit)
Types of coordination Acc. to IEC 60947-6-2,
EN 60947-6-2
Continuous
Power loss P
v max
of all main current paths
Dependent on the 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
Drive losses
Active power At 24 V
0.1 ... 12 A W 2.7
8 ... 32 A W
2.95
At 42 ... 70 V
0.1 ... 12 A W 2.5
8 ... 32 A W
3.0
At 110 ... 240 V
0.1 ... 12 A W 3.4
8 ... 32 A W
3.8
Overload function
Ratio of lower to upper current mark
1:4
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
Touch protection Acc. to IEC/EN 61140 Finger-safe
Isolating features of the compact starter Acc. to IEC/EN 60947-3 Yes
Main and EMERGENCY-STOP switch
characteristics of the compact starter and
accessories
Acc. to IEC/EN 60204
Yes
W
H
D
© Siemens AG 2011