SIRIUS 3RA6 Compact Starter
System Manual, 02/2008, GWA 4NEB 560 0601-02 DS 02
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Configuration
4
4.1 SIRIUS 3RA6 compact starter
Assembly group installation
The module can be installed horizontally (i.e. on a vertically installed DIN rail) or vertically
(i.e. on a horizontally installed DIN rail).
Safe isolation
The following limit values must be observed to ensure safe isolation of the compact starters
in accordance with IEC / EN 60947-1:
● Control circuit to internal auxiliary circuit: 250 V
● Internal auxiliary/control circuit to internal auxiliary/control circuit: 250 V
● Internal auxiliary/control circuit to external auxiliary circuit: 400 V
● Main circuit to internal auxiliary/control circuit: 400 V
● Main circuit to external auxiliary circuit: 400 V
In order for the "safe isolation" of circuits to be achieved, an individual fault must not be able
to trigger a voltage overspill from one circuit into another. The kinds of fault to be taken into
account include twisted or loose conductive parts, twisted solder pins, broken winding wire,
missing screws or broken barriers within a device.
Cabinet types
The system can be installed inside a central control cabinet or a distributed control box.
Grounding measures
No grounding measures are necessary.
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