User's Manual

For Operation in the Control Cabinet
SIRIUS 3RA6 Compact Starters
General data
6/36
SIRIUS Innovations Supplement 2011
6
1)
To maintain maximum interference immunity in a harsh electromagnetic
environment, additional overvoltage protection should be provided in the
control supply current circuit. A suitable choice is for example the Dehn
Blitzductor BVT AD 24 V, Art. No. 918 402 or an equivalent protective
element.
Manufacturer: DEHN+SÖHNE GmbH+Co. KG, Hans-Dehn-Straße. 1,
Postfach 1640, D-92306 Neumarkt
Type 3RA61 3RA62 3RA64 3RA65
Size
S0
Number of poles
3
General technical specifications (continued)
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/EN 60947-1 Corresponds to degree of severity 3
Conductor-related interference BURST acc. to
IEC/EN 61000-4-4
• In the main circuit kV 4 4
• In the auxiliary circuit kV
3 2
Conductor-related interference SURGE acc. to
IEC/EN 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 signal
1 CO/1 NO
• Expandable
- Position of the main contacts 2 NO, 2 NC, 1 NO + 1 NC
Surge suppressors Integrated (Varistor)
Pollution degree
3
Depth from standard mounting rail mm 160
Electromagnetic operating mechanism
Control voltage V 24 AC/DC 24 DC
V 42 ... 70 AC/DC --
V 110 ... 240 AC/DC --
Frequency At AC Hz 50/60 (±5 %)
Primary operating range 0.7 ... 1.25 U
s
0.85 ... 1.2 U
s
No-load switching frequency 1/h 3600
Make-time ms max. 70 Max. 70 + IO-Link communication
Break-time ms max. 120 Max. 120 + IO-Link communication
© Siemens AG 2011