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Microinverter Estar HERF-1800 rated 1.8 kW, 2 MPPT. Max. DC voltage 60 V, MPP voltage range 16 to 48 V, maximum efficiency 96.5%. IP rating IP67, operating temperature −40 to 65 °C, cooling: natural convection. Dimensions 204.5 × 275 × 41.6 mm (H × W × D), weight 4.9 kg.
| Series | HERF |
|---|---|
| Series AC power range | 0.3-1.8 kW |
| Max. DC power | 0.67 kW |
| Max. DC voltage | 60 V |
| Min. DC start-up voltage | 22 V |
| Max. DC current | 4×14 A |
| MPP voltage range | 16-48 V |
| Strings per MPPT | 2 |
| DC inputs | 4 |
| AC output voltage range | 180-270 V |
| Nominal AC voltage | 230 V |
| Nominal AC current | 7.83 A |
| Frequency range | 45-55 Hz |
| Frequency | 50 Hz |
| Power factor | 0.8 leading to 0.8 lagging |
| Maximum efficiency | 96.5 % |
| Operating temperature range | -40 ~ +65 °C |
| Transformer | With transformer |
| IP rating | IP67 |
| Cooling | Natural convection |
| Interfaces | Wireless_2.4G |
| Protection features | • Natural rapid shutdown • 6000V surge protection |
| Inverter type | Microinverter |
|---|---|
| Number of MPPT | 2 |
| Inverter power | 1.8 kW |
| Height | 204.5 mm |
|---|---|
| Width | 275 mm |
| Depth | 41.6 mm |
| Weight | 4.9 kg |
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