SG8K-D - PREMIUM Residential
Input (DC)
Max. PV input voltage
600 V
Min. PV input voltage / Startup input voltage
90 V / 120 V
Nominal input voltage
360 V
MPP voltage range
90 – 560 V
MPP voltage range for nominal power
275 – 480 V
No. of independent MPP inputs
2
Max. number of PV strings per MPPT
1 / 2
Max. PV input current
12.5 A / 25 A
Max. current for input connector
15 A / 30 A
Max. DC short-circuit current
15 A / 30 A
Output (AC)
Max. AC output power
8000 VA
Max. AC output current
34.8 A
Nominal AC voltage
230 V
AC voltage range
180 – 276 V
Nominal grid frequency / Grid frequency range
50 Hz / 60 Hz, 45 Hz – 55 Hz, 55 Hz – 65 Hz
THD
< 3 % (at nominal power)
DC current injection
< 0.5 % In
Power factor at nominal power / Adjustable power factor
> 0.99 / 0.8 leading – 0.8 lagging
Feed-in phases / Connection phases
1 / 1
Efficiency
Euro. efficiency
98.00 %
Max. efficiency
98.50 %
Protection and Function
Overvoltage protection
DC Type II / AC Type II
Grid monitoring
✔
Ground fault monitoring
✔
Insulation monitoring
✔
PV reverse connection protection
✔
AC short-circuit protection
✔
Leakage current protection
✔
AC switch
✖
DC switch
✔
PV string current monitoring
✔
Islanding Protection
✔
Additional information
DC switch
Optional
General Data
Dimensions (W x H x D)
360 × 390 × 148 mm
Weight
15.5 kg
Isolation method
Transformerless
Degree of protection
IP65
Night power consumption
< 1 W
Operating ambient temperature range
-25 to 60 °C (> 45 °C derating)
Allowable relative humidity range (non-condensing)
0 – 100 %
Cooling method
Natural cooling
Max. operating altitude
4000 m (>2000 m derating)
Display
LCD
Communication
RS485, Wi-Fi (optional), Ethernet (optional)
Compliance
IEC62109-1, IEC62109-2, IEC62116, IEC61727, EN 61000-6-2, EN 61 000-6-3, AS4777.2
Grid Support
Active & reactive power control, power ramp rate control
Type designation
SG8K-D
DC connection type
MC4 (max. 6 mm²)
AC connection type
Plug and play connector (max. 6 mm²)
* Devices for Australia are not equipped with DC switches
Standard Accessories
DC main output load switch
✖
PV specific application SPD
✖
PV SPD failure monitoring
✖
PV self power supply for internal loads
✖
Communication port
✖
Current and voltage monitoring for each string
✖
