SOFAR 3.3K~12KTL-X User manual
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© Shenzhen SOFARSOLAR Co ., Ltd.
The inverter has all kinds of internal protection to protect the device inside
when grid or input DC side have abnormal situation.
E. Ground fault protection
This inverter must be used with panels connected with “floating”
connections, that is, with positive and negative terminals without ground
connections. An advanced ground fault protection circuit continuously
monitors the ground connection and disconnects the inverter when a ground
fault is detected . The ground fault condition is indicated by a red LED on
the front panel.
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