3KC3 and 3KC6 transfer switching equipment3KC3 and 3KC6 transfer switching equipment
Connecting the transfer switching equipment to the main circuit
WARNING
Ensure there is no live voltage before connecting the transfer switching equipment to the main circuit.
NOTICE
Connect the network with phase equality.
Requirements
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Main circuit is disconnected.
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The transfer switching equipment is in manual mode (cover open).
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The neutral conductor must be connected to the main terminals either on the right or the left.
Procedure
See the table below for the requirements of the supply lines needed for the connection:
Cu |
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10 ... 70 mm2 |
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Remove the cable insulation as shown in the figure below.
Connect the transfer switching equipment to the main circuit -
Insert the cables into the upper openings of the box terminals. Make sure to connect the networks with phase equality.
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Tighten all the screws of the box terminals. The screws of the unassigned box terminals must also be tightened.
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Attach the label included in the scope of supply to label the neutral conductor.
Label the neutral conductor
NOTE
Mount the bridging bars and the auxiliary conductor terminals before connecting the transfer switching equipment to the main circuit. For information, see the sections titled Connecting the bridging bar on the load side and Connecting the auxiliary conductor terminal.