SMA SUNNY ISLAND SIC40-MPT, Technical Description

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Electrical Connection SMA Solar Technology AG
28 SIC40-TEN081110 Technical Description
Cable Requirements
Connection Procedure
1. Unscrew the M25 metric-thread cable screw connection's lock nut (A) and slide it over the
signalling contact cables.
2. Remove the seal insert from the cable screw connection and remove the dummy plug.
3. Route the signalling contact cable through a cable opening into the seal insert.
4. Insert the seal insert along with signalling contact cables into the cable screw connection.
5. Pull the signalling contact cables through the cable screw connection into the inside of the
charge controller and connect them to the connection terminal (B).
6. Tighten the lock nut of the cable screw connection.
Signalling Contact Cable
To maintain the IP65 protection rating, use a cable with an outer diameter of 5 mm - 7
mm to connect the signalling contact.
A B