JNTECH RENEWABLE ENERGY CO.,LTD
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4KVA JNF4KLF/48V Solar off grid Inverter for power back up system MPPT Solar Off Grid Controller
1. Introduction
Combing functions of inverter, AC charger, solar MPPT charge controller and AC by-pass to offer uninterrupted power support with portable size. The comprehensive LCD display offers user-configurable and easy accessible button operation.
2. System features:
Intelligent:
Advanced battery management system(BMS);
Support sealed battery and lithium battery;
Special AC output design, adopt emergency & heavy loads separate control.
3. 4KVA solar off-grid inverter with hybrid controller parameters
| PV Input | |
| Max. PV array input voltage | 150Vdc |
| Recommended PV array power | 6000W |
| MPPT voltage range | 65-145Vdc |
| Battery | |
| Rated voltage | 48Vdc |
| Rated charge current | 70A |
| Efficiency | ≥97% |
| Type | Gel/Lithium |
| Inverter Output | |
| Rated output capacitor | 4000VA |
| Rated output power | 3200W |
| Output voltage | 230Vac(±5%) |
| Rated frequency | 50/60Hz(±3%) |
| Standby loss | ≤10W |
| Max. efficiency | 90%~93% |
| Total harmonic distortion (THD) | <3% |
| Rated current | 18A |
| Current peak factor | 3:1 |
| Overload | 125% @rated power, 70s; 150% @rated power, 30s; 200% @rated power, 5s; 300% @rated power, 10ms |
| AC Input | |
| AC input charge voltage | 160~270Vac |
| AC input frequency | 50/60Hz(±3%) |
| Max. charge current | 40A |
| Grid by-pass | |
| Switching time | <20ms |
| Mechanical data | |
| Dimension | 485mm*365mm*235mm |
| Weight | 30kg |
| Other parameters | |
| Protection level | IP21 |
| Audible noice | <60dB |
| Cooling method | Force cooling |
| Operate temperature | -20℃~+50℃ |
| Storage temperature | -25℃~+70℃ |
| Status indicator | LCD+LED |
| Interface | RS485(optional) |
| Elevation | 2000m (>2000m derting operate) |