Connection
6.3 Connecting the control circuit
Manual, 08/2017, L1V30368969104A-02
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Power supply of the motor operator (3KC4 only)
The control circuit of the 3KC4 transfer switching equipment has two inputs for one power
supply. These are located under the cover.
On the 3KC8 transfer switching equipment, the control circuit including the motor operator is
supplied with power via the inputs of the electronic module.
Cover
Figure 6-53 Input of power supply, 3KC4 transfer switching equipment
After connecting the inputs and outputs of the transfer switching equipment, the power
supply of the motor operator must be connected.
The transfer switching equipment must only be supplied with a voltage of 230 V. At
voltages of 400 V, an additional autotransformer is necessary.