Huawei SUN2000 Series Quick Manual page 4

3
Energy Meter Cables Connection
1. Connect the signal cable.
WNC-
Cable 3D-240-
MB
A–
B+
Communications
cable
N/A
L1/L2/N
NOTE
When connecting cables, ensure that the source of current transformers points to the power grid.
Inverter Type
8) 485B1 Multi-paired and
individually foil-shielded
cable that complies with
UL2919, CM/CMG
7) 485A1
(NEC type), or CMH
(CSA type)
Shield layer of the
Connects to the shield layer of the
communications
communications cable
cable
Conductor Cross-
sectional Area
Range
24–16 AWG
3
Source
Prepared
by the
customer