Siemens 6SL3210-1SE27-5UA0 [37/318] Line contactors

Siemens 6SL3210-1SE21-8UA0 [37/318] Line contactors
Mains connection and line-side power components
2.6 Line contactors
Manual
Manual, 01/2011, 6SL3097-4AC10-0BP2
37
2.6 Line contactors
A line contactor is required if the drive line-up needs to be electrically isolated from the
power supply.
When selecting a line contactor, the characteristic values in the technical data apply.
The cable routing, the bundling factor and the factor for the ambient temperature according
to EN 60204-1 must be taken into account when dimensioning the various cables.
CAUTION
Line contactors must not be switched under load.
Note
To limit the switching overvoltage, the contactor coil must be connected to an overvoltage
limiter (e.g. flywheel diode or varistor).
When the digital output is used to control the line contactor, its making/breaking capacity
must be taken into account.

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