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| Categories | Off Grid Solar Inverter | 
|---|---|
| Brand Name: | JNTECH | 
| Model Number: | JNF4KLF/48V | 
| Certification: | CE | 
| Place of Origin: | China | 
| MOQ: | 1 | 
| Price: | Negotiable | 
| Payment Terms: | L/C, T/T | 
| Supply Ability: | 200 pcs per week | 
| Delivery Time: | 1-5 work days | 
| Packaging Details: | Carton | 
| Transformer: | Built-in pure copper transformer | 
| Warranty: | 18 months | 
| Display: | LCD+LED | 
| Output: | Pure sine wave | 
| THD: | <3% | 
| Max. Efficiency: | 90%~93% | 
| Company Info. | 
| JNTECH RENEWABLE ENERGY CO.,LTD | 
| View Contact Details | 
| Product List | 
4KVA JNF4KLF/48V off grid Inverter for power back up system MPPT
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) | 
                                 
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