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MODEL
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ALKO500
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DC INPUT
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Nominal input voltage
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12 V
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DC input voltage range
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10 V ~ 15 V
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AC INPUT
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Bypass voltage
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0 ~ 264 Vac / 276 Vac / 288 Vac ± 10 Vac for 220 Vac / 230 Vac / 240 Vac
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AC voltage
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150 ~ 282 Vac for 220 Vac,156 ~ 294 Vac for 230 Vac,163 ~ 307 Vac for 240 Vac
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Frequency
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50 Hz / 60 Hz (auto-sense), 45 ~ 55 Hz for 50 Hz, 55 ~ 65 Hz for 60 Hz
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Input voltage of generator
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99 ~ 282 Vac for 220 Vac,104 ~ 294 Vac for 230 Vac,108 ~ 307 Vac for 240 Vac
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Input frequency of generator
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40 ~ 70 Hz
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Input power limitation
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Rated power 10% ~ 150%, regulating step 10%
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OUTPUT
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DC mode output voltage
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220 V / 230 V / 240 Vac ± 5%
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AC mode output voltage
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174 ~ 242 Vac for 220 Vac,182 ~ 253 Vac for 230 Vac, 190 ~ 264 Vac for 240 Vac
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Nominal output frequency
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50 Hz / 60 Hz ± 0.3 (auto-sense & settable)
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Output waveform
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Pure sine wave
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Output power
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300 W
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Efficiency
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Max. 95% (mains mode); Max. 80% (inverter mode)
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ECO mode
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Settable (< 3% load) to enter in 80 s
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No-load shutdown
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Settable (< 3% load) shutdown in 80 s
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Transfer time
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≤ 10 ms
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Power factor
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1.0
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THD
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< 5% (linear load)
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Overload
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Mains mode: 110% for 120 s, 125% for 60 s, 150% for 10 s (switch to bypass)
Inverter mode: 110% for 60 s; 125% for 10 s; 150% for 10 s (shut down)
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BATTERIES
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Charging current (selectable)
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Max. 30 A
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Equalizing charge voltage
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Single battery 14.1 Vdc (default), 13.6 ~ 15 Vdc adjustable
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Floating charge voltage
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Single battery 13.5 Vdc (default), 13.2 ~ 14.6 Vdc adjustable
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Charge mode
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3 stage charge mode
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EOD
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Single battery 10.2 Vdc (default), 9.6 ~ 11.5 Vdc adjustable
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Reverse warning
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Buzzer
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MPPT MODULES (OPTIONAL)
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Model
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10A / 20A / 30A / 40A
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Max. PV input voltage (Voc)
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30V
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PV optimum operating voltage (Vmp)
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15V ~ 18V
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Max. PV power
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120W / 240W / 360W / 480W
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DC MODULES (OPTIONAL)
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Model
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5V (2A), 9V / 12V (1A), 15V / 24V (1A), 12V / 24V (10A)
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OTHERS
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Human-machine interface
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LCD& BUZZER
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Operating temperature
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0℃~ 40℃
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Operating humidity
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5% ~ 95%RH
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Forced air cooling
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Variable speed fans
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Net weight (kg)
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10.9 (w/o option)
11.4 (w/ option)
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Gross weight (kg)
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11.9 (w/o option)
12.4 (w/ option)
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Dimensions (W×D×H) (mm)
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280×258×120 (w/o option)
293×280×160 (w/ option)
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Packaged dimensions (W×D×H) (mm)
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330×352×200 (w/o option)
370×355×235 (w/ option)
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