20
User Manual V1.0-2022-08-20
06 Electrical Connection
No. Port
Screen print
Recommended Cable Diameter
1
PV input terminal
PV1+ PV1-
Used to connect the PV module DC input cables
• The recommended cables are: copper wire,
temperature 90℃ (194°F), 12AWG
PV2+ PV2-
PV3+ PV3- (only
applicable GW9600-
MS-US30 and
GW11K4-MS-US30)
2
Dry contact
communication
terminal
DRY-OUT
Reserved port for dry contact function.
3
CT
communication
terminal
CT2
Reserved port for anti reverse current function.
CT1
4
Remote Shutdown
communication
terminal
DRM0
Used to connect the Remote Shutdown
communication cable
• The recommended cables are: outdoor
communication cables meeting UL2919, CM/
CMG (NEC type) or CMH (CSA type) standards,
with conductor cross-sectional area between
24 and 16AWG.
5
Power supply
terminal for RSD
module
RSD-12V
Used to connect the RSD module
communication cable
• The recommended cables are: outdoor
communication cables meeting UL2919, CM/
CMG (NEC type) or CMH (CSA type) standards,
with conductor cross-sectional area between
24 and 16AWG.
6
Meter
communication
terminal
METER
Used to connect the meter communication
cable.
• The recommended cables are: outdoor
communication cables meeting UL2919, CM/
CMG (NEC type) or CMH (CSA type) standards,
with conductor cross-sectional area between
24 and 16AWG.
7
Communication
terminal for multi
inverter parallel
connection
485-1
485-2
Used to connect the RS485 multiple inverters
communication cable.
• The recommended cables are: outdoor
communication cables meeting UL2919, CM/
CMG (NEC type) or CMH (CSA type) standards,
with conductor cross-sectional area between
24 and 16AWG.
8
USB port
USB
The inverter supports connecting with the U
Flash Disk and data cable for local upgrading.
9
AC cable terminal
GRID-L1
Used to connect the inverter AC cable.
• The recommended cables are: copper wire,
temperature 90℃ (194°F), with conductor
cross-sectional area 6AWG.
GRLD-N
GRID-L2
10
Grouding busbar -
Connecting the PE cable
• The recommended cables are: copper wire,
temperature 90℃ (194°F), with conductor
cross-sectional area 10-6AWG.