Sungrow SG320HX - Dry Contact Wiring Distance

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Parameters SG333HX SG350HX
PV string current monitoring
Yes
Q at night function
Yes
Anti-PID and PID recovery
function
Optional
Surge protection DC Type II / AC Type II
General Data
Dimensions (W*H*D)
1136 * 870 * 361 mm
1136*870*361 mm (44.7'' *
34.3'' * 14.2'')
Weight ≤ 116 kg ≤116 kg(≤255.7 lbs)
Isolation method Transformerless
Degree of protection
IP66
IP66 (NEMA 4X)
Power consumption at night
< 6 W
Operating ambient temper-
ature range
-30 to 60℃
-30 to 60℃(-22 to 140 ℉)
Allowable relative humidity
range
0 – 100 %
Cooling method Smart forced air cooling
Max. operating altitude 4000 m (> 3000 m derating)
4000 m (> 3000 m derating)
/ 13123 ft (> 9843 ft
derating)
Display LED, Bluetooth+App
Communication RS485 / PLC
DC connection type
MC4-Evo2 (Max. 6 mm²,
optional 10mm²)
MC4-Evo2 (Max. 6 mm²,
optional 10mm² /Max.
10AWG, optional 8AWG )
AC connection type
Support OT/DT terminal
(Max. 400 mm²)
Support OT/DT terminal
(Max. 400 mm²/ 789 Kcmil)
Grid Support
Q at night function, LVRT, HVRT,active & reactive power
control and power ramp rate control, Q-U control, P-f
control
9.2 Wring Distance of DI Dry Contact
The maximum wiring distance of DC dry contact must meet the requirements in the Table
below. The wiring distance L is the total length of all DI signal cables.
9 Appendix User Manual