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35
13. Technical Specifications
MODEL 20K 40K 60K 80K 100K 120K 140K
CAPACITY
20kVA/18kW 40kVA/36kW 60kVA/54kW 80kVA/72kW 100kVA/90kW 120kVA/108kW 140kVA/126kW
TOPOLOGY
Voltage and Frequency Independent (VFI) True on-line Double Conversion
INPUT
Voltage 208/220V (Ph-Ph), 120/127V (Ph-N)
Voltage Range (Ph-N) 90V to 146V (100% load) / 70V to 89V (70% load)
Phase 3-phase, neutral and ground
Operating Frequency 50/60Hz (selectable)
Frequency Range 40Hz ~ 70Hz ± 0.1Hz
Power Factor >0.99%
THDi <3%
Inverter Bridge IGBT technology
OUTPUT
Voltage 208/220V (3ph, 4 wire, neutral reference to bypass neutral)
AC Voltage Regulation <1% (balanced load)
Frequency 50/60Hz (selectable)
Frequency Range 40Hz ~ 70Hz ± 0.1Hz
Overload AC mode 105-110%: 60 min.
111-125%: 10 min.
126-150%: 1 min.
>150%: 200 ms
Battery mode 105-110%: 60 min.
111-125%: 10 min.
126-150%: 1 min.
>150%: 200 ms
Crest Factor 3:1
Harmonic Distortion <2% (100% linear load); <4% (100% non-linear load)
Output Waveform Pure sine wave
BYPASS
Automatic Bypass Standard
Manual Maintenance Bypass Standard
Transfer Time 0 ms
Default Bypass Voltage Tolerance +15/-20%
Overload 105 to 110%: 60 min.
111 to 125%: 10 min.
126 to 150%: 1 min.
>150%: 200 ms
BATTERY
Battery Type* Maintenance-free sealed valve-regulated lead acid (VRLA)
Battery Capacity* 18Ah (per battery module)
Float Voltage 2.3V/cell
Boost Voltage 2.35V/cell
End of Discharge Voltage 1.67V/cell
Battery Storage Time* 6 months (without recharge, 77°F / 25°C)
Battery Charger Capacity 8A (per power module)
ENVIRONMENT
Efficiency (Inverter Mode) >92%
Efficiency (ECO Mode) >98%
Operating Temperature 32 to 104°F / 0 to 40°C (Output capacity will be de-rated 90% when temperature is 88~95°F / 31~35°C;
will be de-rated to 80% when temperature is 96~104°F / 36~40°C)
Storage Temperature (Excl Battery Module) 5 to 140°F / -15 to 60°C
Operating Humidity 0 to 95% (non-condensing)
Operating Altitude <3280 ft. / <1000 m (1% derating per 328 ft. / 100 m above 3280 ft. / <1000 m)
Audible Noise <75dBA
Protection Degree IP20
Color RAL 9005 (Black)
* Applies to Small- and Medium-Frame systems with internal battery modules.
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