SPH3K-24/48 3.0kW Single Phase Solar off grid inverter
- SPH3K-24/48 3.0kW Single Phase Solar off grid inverter features a rated output power of 3.0 kW and delivers a peak power of up to 4500 VA, enabling it to effectively support the instantaneous startup of loads in small homes or offices.
- This inverter utilizes a pure sine wave output, ensuring high-quality and stable power delivery. One of its most significant design highlights is its battery-free operation mode; it can utilize PV energy to supply power even without a connected battery, thereby greatly enhancing system flexibility.
- Regarding PV energy harvesting, the SPH3K-24/48 incorporates a high-performance built-in MPPT controller with an efficiency rating of up to 99%. It supports a maximum PV array power of up to 3600 W, with a wide PV input voltage range spanning from 70 to 280 Vdc. The device is compatible with both 24V and 48V battery systems—supporting both lithium-ion and lead-acid batteries—and integrates a lithium battery activation function as well as BMS communication capabilities via RS485.
- To withstand demanding installation environments, the unit features built-in dust-protection components, achieving an IP43 protection rating.
Product Parameters
| MODEL | SPH3K-24/48 |
| PV Array | |
| Max.PV Array Power | 3600W |
| MaxPV Array Open-Circuit Voltage | 300VDC |
| Start-up Votage | 60VDC |
| MPPT Operating Voltage Range | 70-280VDC |
| MPPT Efficiancy | 99% |
| Nominal Input Voltage | 250VDC |
| Max. input Current MPPT | 30A |
| Battery | |
| Battery Type | Li-ion/Lead-acid |
| Nominal Battery Voltage | 24/48V |
| Battery Voltage Range | 21-29/41-58V |
| Max.AC Charging Current | 40A |
| Max.PV Charging Current | 80A |
| Max.Continuous Discharging Current | 100A |
| AC Input | |
| Nominal Voltage | 120Vac |
| Voltage Range | 90-140Vac |
| Frequency | 50/60Hz (Auto following) |
| High Loss Frequency | 65Hz |
| Low Loss Frequency | 45Hz |
| Max. input Current | 40A |
| AC Output | |
| Nominal Voltage | 120Vac±5% |
| Output Voltage Waveform | Pure Sine Wave |
| Rated Output Power | 300OVA/3000W |
| Peak Output Power | 4500VA |
| Nominal Output Frequency | 50/60Hz |
| Transfer Time | 10ms |
| Max.PV to AC Efficiency | 96.5% |
| Max.Battery to ACEfficiency | 91.0% |
| Protection | |
| Over Temperature Protection | Yes |
| Overload Protection | 3s@≥150%load;10s@110%~150%load |
| General Data | |
| Operating Temperature Range | -10–+50℃ |
| Safety Certification | CE |
| Relative Humidity | 0~95%Relative Humidity(Non-condensing) |
| Max.Operating Altitude | <4000m |
| Cooling Method | Intelligent Fan cooling |
| Display | LED+LCD |
| Degree of Protection | IP43 |
| Warranty | 2 years |
| Weight(kg) | 6.5 |
| Dimension(W*H*Dmm) | 326*275*95 |
| Mounting Method | Wall Mounted |
Product specifications are subject to change without further notice.
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