Electrical Connection; Safety Instructions; Terminal Description - Sungrow SG33CX User Manual

5 Electrical Connection

5.1 Safety Instructions

High voltage may be present inside the inverter!
 The PV string will generate lethal high voltage when exposed to sunlight.
 Do not connect AC&DC circuit breakers before finishing electrical
connections.

Ensure all cables are voltage free before performing cable connection.
 Any improper operations during cable connection can cause device
damage or personal injury.
 Only qualified personnel can perform cable connection.
 All cables must be undamaged, firmly attached, properly insulated and
adequately dimensioned.
Comply with the safety instructions related to the PV strings and the
regulations related to the utility grid.
 All electrical connections must be in accordance with local and national
standards.
 Only with the permission of the utility grid, the inverter can be connected
to the utility grid.

5.2 Terminal Description

Wiring terminals are at the bottom of the inverter, as shown in the figure below.
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