- 18 -
000709AG
2 - Characteristics
T
echnical data
UNO-DM-3.3-PLUS
UNO-DM-3.8-PLUS
Input side (DC)
Absolute maximum voltage (V
max,abs
)
600 V
Start-up voltage (V
start
)
default 200 V (120...350 V)
Operating MPPT voltage range (V
dcmin
...V
dcmax
)
0.7xV
start
...580 V (≥ 90V)
Maximum usable power (P
dcrMPPT
) - each channel
2000 W
3000 W
Number of independent MPPT channels
2
Full power MPPT voltage range (V
MPPT min
... V
MPPT max
) with parallel
MPPT configuration a P
acr
160...530 V (208 Vac)
170...530 V(240 Vac)
120...530 V (208 Vac)
140...530 V(240 Vac)
Maximum usable current (I
dc max
) - each channel
10.0 A
16.0 A
Maximum current (I
dc max
)
20.0 A
32.0 A
Maximum short circuit current (I
sc max
) - each channel
12.5 A
25.0 A
Number of wire landing terminals
2 pairs, capable of connecting two parallel strings
Array wiring termination
Terminal block, pressure clamp, AWG20-8
Input protection
Reverse Polarity Protection
Yes, from current limited source
Over-voltage protection type
Varistor
PV array ground fault detection
Pre start-up RISO and dynamic GFDI
DC switch rating
600 V
23A@600V, 38A@500V and 45A@350V
Output side (AC)
AC grid connection type
1Φ/2W or Split-Φ/3W
Nameplate Apparent Power (S
max
)
3300 VA (208 Vac)
3300 VA (240 Vac)
4200 VA (208 Vac)
4200 VA (240 Vac)
Nameplate Output Active Power (P
max@cosφ=1
)
3300 W (208 Vac)
3300 W (240 Vac)
4200 W (208 Vac)
4200 W (240 Vac)
Output Active Power @V
acr
and cosφ=±0,9 (P
Rated
)
2700 W (208 Vac)
3000 W (240 Vac)
3000 W (208 Vac)
3450 W (240 Vac)
Nominal AC output voltage (V
acr
)
208Vac
(1Φ/2W)
or 240Vac
(Split-Φ/3W)
Adjustable voltage range (V
acmin
...V
acmax
)
183...228 Vac (1Φ/2W) or 211...264 Vac (Split-Φ/3W)
Maximum current (I
ac max
)
14.5 A
16.0 A
Contributory fault current
16.0 A
19.0 A
Grid frequency (f
r
)
60 Hz
Adjustable grid frequency range (f
min
...f
max
)
50...64 Hz
Power factor and adjustability range
>0.995, adj. +/-0.8
Total harmonic distortion at rated power
<2%
Grid wiring termination type
Terminal block, pressure clamp, AWG20-6
Output Protection
Anti-islanding protection
Meets UL1741 / IEEE1547 requirements
Over-voltage protection type
Varistor, 2 (L1 - L2 / L1 - G)
Maximum AC OCPD rating
20.0 A
Operating Performance
Maximum efficiency (η
max
)
97.0%
CEC efficiency
96.5% (208 Vac)
96.0% (208 Vac)
96.5% (240 Vac)
96.5% (240 Vac)
Stand-by consumption
8.0 Wrms
Night-time consumption
< 0.6 Wrms
Auxiliary Output
Isolated Auxiliary Power Supply
(1)
24Vdc, 0.4A max
Embedded Communication
Embedded Communication interface
Wireless
(2)
Embedded Communication Protocol
ModBus TCP (SunSpec)
Commissioning Tool
Web User interface, Display, Aurora Manger Lite
Monitoring
Plant Portfolio Manager, Plant Viewer,
Plant Viewer for Mobile