Cable Requirements - Epcom EPIG7K Manual

CAUTION
Multiple inverters can be connected to a grid-connected grid, but it
should not exceed 10 units. Otherwise, the inverter may not operate
normally.
CAUTION
It is forbidden to connect the load between the inverter and the circuit
breaker.

5.3 Cable Requirements

Only waterproof terminals are included in scope of delivery. The user should select
appropriate cables according to the following recommended cable size.
2 kW / 2.5 kW / 3 kW /
3 kW-D inverters
Recommended
Cross-sectional Area
3.68 kW / 4 kW / 4.6 kW
/ 5 kW / 6 kW / 7 kW
inverters
Recommended
Cross-sectional Area
2 kW / 2.5 kW / 3 kW inverters are featured with one DC input, which can be connected
with one PV string. 3kW-D / 3.68 kW / 4 kW / 4.6 kW / 5 kW / 6 kW / 7 kW inverters are
featured with two DC input terminals, which can be connected with two PV strings. The
output terminals on the AC side are marked with L, N, PE for easy installation. It is
recommended that users use 4 mm
(3.68 kW / 4 kW / 4.6 kW / 5 kW / 6 kW / 7 kW inverters) copper cables to perform
connection.
AC Output Terminals
L N
2
4 mm 4 mm
AC Output Terminals
L N
2
6 mm 6 mm
2
(2 kW / 2.5 kW / 3 kW / 3kW-D inverters) and 6 mm
~ 17 ~
PE
2 2
4 mm
PE
2 2
6 mm
PV Input Terminals
Input + Input -
2
4 mm 4 mm
PV Input Terminals
Input + Input -
2
4 mm 4 mm
2
2
2