6 Electrical Connection User Manual
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Please avoid squeezing the cable insulation layer into the AC terminal.
Improper connection may affect the normal operation of the inverter.
Step 7 Screw cap nut tightly onto the cable.
*Images shown here is for reference only! Actual product you receive may differ.
Step 8 Seal the gaps between the AC cable and the gland inside the lower part of
the cabinet by fireproofing mud.
6.3 Connecting Inverter to PV Arrays
Lethal voltage exists!
PV arrays produce electrical energy when exposed to light and thus can
create an electrical shock hazard.
Make sure that the PV impedance to the ground is proper before connecting
the PV array to the inverter.
6.3.1 PV Inputs Configuration
The SG50KTL-M-20 inverter has four PV input areas DC1 input、DC2 input、DC3 input
and 、DC4 input, each with its MPP tracker.
There is a risk of inverter damage! The following requirements should be met;
otherwise they will lead to loss of any and all warranty rights.
Make sure that the maximum short circuit current of each DC input is less than
inverter allowable limit.
Make sure that the maximum open voltage of each string is less than 1000V.
Voltage over 1000V can damage the inverter.
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