49
Type
Open-circuit Voltage
Limit
Max. Current for Input
Connector
SG30/33/40/50CX 1100 V 30 A
SG30/50CX-NI 1100 V 30 A
5.7.2 Assembling PV Connectors
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 MC4 DC terminals if the maximum input voltage is no more than 1,000 V.
• Use MC4-Evo2 DC terminals if the maximum input voltage is greater than 1,000
V. To purchase the MC4-Evo2 DC terminals, contact SUNGROW.
• Select appropriate DC terminals as required above. Otherwise, SUNGROW shall
be held no liability for the damage caused.
To ensure IP66 protection, use only the supplied connector.
Step 1 Strip 7 mm–8 mm of the insulation from each PV cable.
Step 2 Assemble the cable ends with the crimping pliers.
1: Positive crimp contact 2: Negative crimp contact
User Manual 5 Electrical Connection
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