
68
69
8 Technical Parameters
8 Technical Parameters
Model
STH-4KTL-HT
STH-5KTL-HT
STH-6KTL-HT
PV Input
Max. Input Power (W)
5,200
6,500
7,800
Start-up Voltage (V)
150
150
180
Max. DC Input Voltage (V)
1,000
1,000
1,000
Rated DC Input Voltage (V)
620
620
620
MPPT Voltage Range (V)
150-850
150-850
200-850
No. of MPP Trackers
2
2
2
No. of PV Inputs
1/1
1/1
1/1
Max. Input Current (A)
13/13
13/13
13/13
Max. Short-circuit Current (A)
18/18
18/18
18/18
Battery
Battery Type
Lithium Battery (with BMS)
Battery Communication Mode
CAN / RS485
Battery Voltage Range (V)
180-750
180-750
180-750
Max. Charge/Discharge Current (A)
25/25
25/25
25/25
Rated Current of Built-in Fuse (A)
63
63
63
Output (Grid)
Rated Output Power (kW)
4
5
6
Max. Output Power (kW)
4.4
5.5
6.6
Max. Apparent Power (kVA)
4.4
5.5
6.6
Max. Input Apparent Power (kVA)
8
①
10
①
12
①
Max. Charging Power of Battery (kW)
4
5
6
Rated Output Voltage (V)
3 / N / PE, 230 (400)
Rated AC Frequency (Hz)
50/60Hz 45-55Hz/55-65Hz
Max. Output Current (A)
6.7
8.3
10
Power Factor
0.8 leading …0.8 lagging
Max. Total Harmonic Distortion
<3% @Rated Output Power
DCI
<0.5%In
<0.5%In
<0.5%In
Output (Back-up)
UPS Switching Time
<10ms
<10ms
<10ms
Rated Output Voltage (V)
3/N/PE, 230 (400)
Rated AC Frequency (Hz)
50/60Hz 45-55Hz/55-65Hz
Max. Apparent Output Power (kVA)
4.4
5.5
6.6
Model
STH-4KTL-HT
STH-5KTL-HT
STH-6KTL-HT
Peak Overload Apparent Power (kVA)
8
②
, 60s
10
②
, 60s
12
②
, 60s
Single-phase Peak Output Power (kVA)
1.6
③
2.1
③
2.6
③
Voltage Harmonic Distortion
<3% @Linear Load
Efficiency
Max. Efficiency
98.1%
98.1%
98.1%
European Efficiency
97.3%
97.3%
97.3%
Max. Battery Charging Conversion Efficiency
97.2%
97.2%
97.2%
Max. Battery Discharge Conversion Efficiency
97.2%
97.2%
97.2%
Protection
DC Reverse Polarity Protection
Integrated
Battery Input Reverse Connection Protection
Integrated
Insulation Resistance Protection
Integrated
DC Switch
Optional
Surge Protection
Integrated
Over-temperature Protection
Integrated
Residual Current Protection
Integrated
Islanding Protection
Frequency Shift, Integrated
AC Over-voltage Protection
Integrated
Overload Protection
Integrated
AC Short-circuit Protection
Integrated
General Data
Over Voltage Category
PV: Ⅱ;Main: Ⅲ
Dimensions (mm)
550W*410H*175D
Weight (kg)
26
26
28
Protection Degree
IP65
IP65
IP65
Self-consumption at Night (W)
<15
<15
<15
Topology
Transformer-less
Operating Temperature Range (° C)
-30~60
-30~60
-30~60
Relative Humidity
0~100%
0~100%
0~100%
Operating Altitude (m)
3000
3000
3000
Cooling
Natural Convection
Noise Level (dB)
<25
<25
<25
Display
OLED & LED
Communication
WiFi / LAN (Optional)
Compliance
IEC62109、IEC62116、VDE4105、VDE0126、AS4777、RD1699、
NBR16149、IEC61727、IEC60068、IEC61683、EN50549、EN61000
8 Technical Parameters