Technical data and types
Type code TRIO-20.0-TL-OUTD TRIO-27.6-TL-OUTD
Nominal output power 20000W 27600W
Maximum output power 22000W
1
30000W
1
Rated grid AC voltage 480V
Input side (DC)
Number of independent MPPT channels 2; Programmable for 1 MPPT
Maximum usable power for each MPPT channel 12000W 16000W
Absolute maximum voltage (V
max
) 1000V
Start-up voltage (V
start
) 360V (adj. 250-500V)
Full power MPPT voltage range 450-800V 520-800V
Operating MPPT voltage range 200-950V
Maximum usable current (Idc max) per MPPT channel 25.0A 30.9A
Maximum short circuit current (Isc max) per MPPT channel 30.0A 36.0A
Number of inputs (strings) per MPPT channel -S version: 1; -S1, -S1A, -S1B versions: 4
Array wiring termination type
Terminal block, screw terminal, copper only,
-S: 12AWG-2AWG; -S1, -S1A, -S1B: 12AWG-6AWG
Output side (AC)
Grid connection type 3Ø/4W + Ground
Default operating voltage range 422-528V
Extended adjustable voltage range 240-552V
2
Nominal grid frequency 60Hz
Adjustable grid frequency range 57-63Hz
Continuous current 27.0 A
RMS
36.0 A
RMS
Contributory fault current (@ 1 cycle)
51.4A
RMS
42.72A
RMS
Power factor
> 0.995 (adj.
±0.8, or ±0.9 for active power
>20kW)
>0.995 (adj.
± 0.8, or ±0.9 for
active power >27.6kW)
Total harmonic distortion at rated power <3%
Grid wiring termination type
Pass-through terminal. Tension clamp.
Copper 8AWG-4AWG
Pass-through terminal. Tension
clamp. Copper 6AWG-4AWG
Input protection devices
Reverse polarity protection Yes, passive inverter protection only.
3
Supplementary over-voltage protection type for each
MPPT
-S1, -S1A, -S1B version: plug-in class II modular surge arrestor
PV array ground fault detection Meets UL1741/NEC requirements
Output protection devices
Anti-islanding protection Meets UL1741/IEEE 1547 requirements
Supplementary over-voltage protection type -S1A version: plug-in class II modular surge arrestor
Optional AC fused disconnect current rating (per contact) -S1B version: 35A -S1B version: 45A
Maximum AC OCPD rating 40A 50A
Operating performance
Efficiency (Max/CEC) 98.2% / 97.5%
Feed-in power threshold 65W
RMS
70W
RMS
Communication
User-interface display 5.5“ x 1.25“ graphic display
Standard communication interfaces
(1) RS485 connection, can be configured for Aurora protocol or Modbus RTU.
Support for optional monitoring expansion cards.
Optional remote monitoring logger VSN 700
Environmental
Ambient operating temperature range -22°F to +140°F (-30°C to +60°C) Derating above +113°F (45°C)
Ambient storage temperature range -40°F to +185°F (-40°C to +85°C)
Relative humidity 0-100% condensing
Acoustic noise emission level <50 db (A) @1m
Maximum operating altitude without derating 6560ft (2000m)
Mechanical specifications
Enclosure rating NEMA 4X
Cooling Natural convection
Dimensions (H x W x D) 41.7 x 27.6 x 11.5 in. / 1061 x 702 x 292 mm.
Unit weight 157lbs (71kg) 168lbs (76kg)
Conduit connections
Bottom: (2) concentric DC KOs 1“, 1 1/2“ on removable plate, (2) 1/2“
plugged comm. openings, (1) 1“ plugged AC opening
Mounting system Wall bracket
1. Capability enabled within maximum input current, maximum input power, maximum output current, ambient operating temperature limits, and power factor at unity.
2. Extended voltage range is for trip settings only, not operational voltage ranges.
3. In -S1, -S1A and -S1B models, the string polarity must be veried before connection. Please refer to installation manual for the correct installation procedure.
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