Connection Procedure - Sungrow SG33CX User Manual

5 Electrical Connection
To ensure IP66 protection, use only the connector within the scope of
delivery or the connector with the same ingress of protection.

5.6.2 Connection Procedure

High voltage may be present in the inverter!
 Ensure all cables are voltage-free before performing electrical operations.

Do not connect the AC circuit breaker before finishing electrical
connection.
Use the MC4 DC terminal within the scope of delivery. Damage to the device
due to the use of incompatible terminal shall not be covered by the warranty.
Strip insulation layers of all DC cables by
Step 1
about 7mm.
Assemble the cable ends with the crimping
Step 2
pliers.
Lead the cable through cable gland, and insert into the insulator until it
Step 3
snaps into place. Gently pull the cable backward to ensure firm
connection. Tighten the cable gland and the insulator (torque 2.5 Nm
to 3 Nm).
Crimp Contact
Cable Gland
40
Positive Insulator
Positive Crimp Contact
Negative Insulator
Crimp Contact
Cable Gland
User Manual
7mm
Negative Crimp Contact