2.2KW Mains Compensation Solar Pump Inverter

SPC-2K2 solar pump inverter – manufactured by Foshan Top One Power Technology Co., Ltd.

The SPC-2K2 is a 2.2 kW solar pump inverter manufactured by Foshan Top One Power Technology Co., Ltd., a company based in Foshan, Guangdong, which has specialised in the production of renewable energy equipment since 2003. Designed specifically for solar-powered water pumping systems, it is ideal for agricultural irrigation, livestock watering, remote water supply and off-grid farms where grid power is unavailable or too expensive.

Unlike a standard solar inverter, the SPC-2K2 is built for pumps, not household appliances. Pumps have specific requirements: they draw high currents when starting up; they need to run at variable speeds depending on sunlight; and they require protection against dry running, overloading and phase loss. The SPC-2K2 handles all of that. It uses an MPPT algorithm to track the solar array's maximum power point, adjusting the output frequency from 0 to 400 Hz to match the pump's optimal operating speed. This means you get more water per watt of solar power.

The SPC-2K2 works with single-phase 220 V DC input and supports a wide PV input voltage range of 200–400 V DC, with a maximum DC input of 440 V and a low working threshold of 150 V. This wide range enables the pump to continue operating even when clouds roll in, rather than shutting down the moment the sun dips. It also has an AC compensation function - when there isn't enough solar power, it can automatically blend in grid or generator power to keep the pump running. The MPPT efficiency is rated at 99%, and the unit uses intelligent fan cooling that activates based on internal temperature.

Protection features cover over-voltage, under-voltage, overload, over-temperature and short-circuit. The SPC-2K2 is backed by the CE and ISO 9001 certifications of its manufacturer, Foshan Top One Power Technology Co., Ltd. For farmers, remote communities or anyone who needs to move water using sunlight, the SPC-2K2 is the perfect solution.

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