REFU 801 Series - 8 Technical Data; DC Data; AC Data; Efficiency, Protection and Communication

REFUone 3K-2T, 5K-2T, 7K-2T
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8 Technica l data
Outlines of this chapter
This topic lists the technical specifications for all REFUone inverters.
8.1 DC Data
Technical Data
3K-2T
5K-2T
7K-2T
Max. input power (W)
3,500
5,500
8,300
Number of independent MPPT
2
Number of DC inputs MPPT 1 / 2
1 / 1
1 / 1
2 / 1
Max input voltage (V)
600
Start-up input voltage (V)
120
Rated input voltage (V)
360
Operating input voltage range (V)
90 … 580
Full power MPPT voltage range (V)
160 … 520
250 … 520
250 … 520
Max Power Input 1 / Input 2 (W)
2,000 / 2,000
3,000 / 3,000
5,000 / 2,500
Max. MPPT current MPPT 1 / 2 (A)
11 / 11
2 x 11 / 11
Max. Short circuit current ISC MPPT 1 / 2 (A)
13.2 / 13.2
26.4 / 13.2
8.2 AC Data
Technical Data
3K-2T
5K-2T
7K-2T
Rated power (@220 V, 50 Hz) (W)
3,000
5,000
7,500
Max AC power (VA)
3,000
5,000
7,500
Nominal Grid voltage (V)
220
Grid voltage range (V)
180 … 276 (According to local standard)
Grid frequency range (Hz)
44 … 55 / 54 … 66 (According to local standard)
Active power adjustable range (%)
0 … 100
Max output current (A)
13.7
22.8
32.6
THDi (%)
<3
Power factor
1 (adjustable +/- 0.8)
8.3 Efficiency, Protection and Communication
Technical Data
3K-2T
5K-2T
7K-2T
Max efficiency (%)
97.6
97.8
98.2
Weighted eff. (EU/CEC) (%)
97.2
97.3
97.6
Self-consumption at night (W)
<1
Feed-in start power (W)
50
MPPT efficiency
>99.9%
DC switch
integrated
Safety protection
Anti-islanding, RCMU, Ground fault monitoring
Communication Ports
Standard: RS485, WiFi
Optional: GPRS, Ethernet