Envy Duo 21 Inverter Specs

PV Output Data
Number of MPPT 3
Inputs per MPPT 2:2:1
Max. usable input current (A) 26/26/15
Max. short circuit input current (A) 31/31/19
Start input voltage (V) 100
MPPT DC nominal voltage (V) 360
DC voltage range (V) 100-550
MPPt operating voltage range (V) 120-440
Max. Power (W) 21000
Max. PV ARRAY POWER (W) 25000
Backup Output Data
Nominal output current (A) 50@240V, 57.7@208V
Nominal output voltage (V) (120/240), (120/208)
Continuous output power (VA) 12000@240V, 12000@208V
Operating frequency (Hz) 60 & 50
Peak power (VA) 2xPn, 0.5s
THDV <3%
Switching Time (ms) <20
General Data
Paralleling Capabiliy Up to 10 units (120kW)
Dimensions 22.3 x 35.2 x 11.2 in (566 x 893 x 285 mm)
Weight 125.71 lbs (57 kg)
Degree of protection NEMA4X / IP66
Cooling concept Smart Cooling Fans
Topology High Frequency Transformer-less
Relative humidity 0-100%
Altitude (m) <6561ft. (<2000m)
Operating Temperature Range (ºC) -25~60>40 Derating
Noise emission (dB) <67
Idle Consumption AVG (W) 60
Display Touch color screen
Communication interface Rs485/ Wi-Fi/ CAN
AC Grid Output Data
Max. Output Current with pv (A) 66.7
Max. Output Power with pv (W) 16000@240V 13800@208V
Continuous power output with battery only (W) 12000@240V, 12000@208V
Rated voltage (V) 120/240, 120/208
Operating voltage range (V) 180-270
Operating frequency (Hz) 50/60
Operating frequency range (Hz) 55-65
Power Factor 0.99@full load
Reactive power adjust range -0.8~+0.8 leadingAdjustable
THDI <3%
Sync inrush current (A) 35
Efficiency
Max. EFFICIENCY PV to grid 97.50%
Max. EFFICIENCY battery to grid 94%
CEC Efficiency 96.90%
Battery Data
Type Lithium battery/ No Battery
Max. charge current (A) 250
Max. discharge current (A) 250
Nominal voltage (V) 48
Voltage range (V) 40-60