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figure 5-3 PV Input Configuration (SG20RT for example)
Prior to connecting the inverter to PV inputs, the specifications in the following table should
be met:
Inverter Model
Open-circuit Voltage Limit Max. current for input connector
All models 1100 V 30 A
The following figure shows the open-circuit voltage limits at different altitudes. Before config-
uring the PV panels, need to take this derating curve in consideration under high altitude
situation.
figure 5-4 Open-circuit Voltage Derating Curve
5.6.2 Assembling the 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.
User Manual 5 Electrical Connection
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