IDEEI QB-Hi off-grid solar inverter covers 5kW, 7kW and 11kW models with 160-390V MPPT, 220-240V pure sine output and up to 99% efficiency.
The QB-Hi series is a high-voltage MPPT off-grid inverter for 220-240V AC loads. Three published models cover 5kW, 7kW and 11kW. Battery arrangement and source-priority mode must be confirmed for the selected project.
Wide photovoltaic tracking range supports daytime off-grid power from a suitable PV string.
The published 220-240V AC output supports compatible household and commercial loads.
Metal enclosure, forced cooling and overload capability support properly sized inductive loads.
The product sheet lists DC reverse, AC short-circuit, lightning, leakage, overload and temperature protection.
The table separates verified published data from project-dependent choices. Match the product by electrical ratings and application conditions; do not select from the headline power value alone.
| Model | Rated power | Rated output current | Maximum PV input current | Output voltage |
|---|---|---|---|---|
| Hi-5KW | 5kW | 25A | 59.5A | L-N 220/240V AC |
| Hi-7KW | 7kW | 33A | 78.5A | L-N 220/240V AC |
| Hi-11KW | 11kW | 49A | 116.5A | L-N 220/240V AC |
| Item | Verified specification |
|---|---|
| Maximum / rated DC input | 400V / 330V DC |
| MPPT working range | 160-390V DC |
| Maximum efficiency | 99% |
| Protection level | IP21 |
| Overload | 1.2 times sustained overload stated |
| Output | 220-240V AC sine wave |
A dependable quotation requires the complete operating profile, not only the nominal power. IDEEI reviews voltage, current, source or motor data, duty, environment, required options and destination together so the final configuration, accessories, protection devices and commercial scope can be stated clearly.
Separate continuous load from startup surge loads such as pumps, compressors and motors. Check the PV string at the lowest expected temperature so open-circuit voltage remains below the product limit. Where a battery is used, match chemistry, nominal voltage, charge current and communication protocol. Source priority, transfer behavior, neutral arrangement and generator compatibility must be confirmed for the complete system.
Installation and commissioning must be completed by qualified electrical personnel. Isolate all energy sources before wiring, verify terminal functions against the current manual, provide protective devices and grounding, and apply the published derating guidance for altitude, temperature, enclosure and cable length. Product-page data supports preliminary selection and does not replace project engineering or local code compliance.
Battery-free operation is supported only where it is stated for the QB-Hi Series and where the available PV or utility source can support the connected load. Confirm the intended operating mode before wiring.
Use the selected model’s permitted PV voltage window and maximum open-circuit voltage. Check cold-weather Voc, operating Vmp, current, total array power and local irradiance rather than selecting from inverter kW alone.
Supported AC input and source-priority modes depend on the selected series. The transfer arrangement, protection devices and neutral/earthing scheme must be confirmed for the installation.
Communication is model- and project-dependent. Confirm Wi-Fi, GPRS, RS232, RS485 and the required lithium-battery protocol before ordering.
Send the load list, surge loads, required output voltage and phase, PV module data, battery information, backup-source data, operating schedule, quantity and delivery country.
Send the required electrical and application data, quantity and destination. Our team will confirm the suitable model, options and quotation scope.
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