Technical 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 conguration 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 efciency (η
max
) 97.0%
CEC efciency
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