• Advanced Syn.R.M. and PMSM Driving Technology;
  • Wide-range and High Efficiency MPPT Technology;
  • Various Specific Functions for Solar Pumping;
  • Intelligent IOT.

SI21 Series Solar Pump Inverter Overview

The SI21 solar pump inverter can be used to provide clean water resources in remote areas where power facilities are scarce; the controller can convert the direct current of the photovoltaic array into alternating current and drive various water pumps. 

1. Advanced Syn.R.M. and PMSM Driving Technology.
2. Wide-range and High Efficiency MPPT Technology.
3. Various Specific Functions for Solar Pumping.
4. Intelligent IOT.
5. Functional Monitoring Software.
6. Flexible and Various Installation.

Advanced Technology

1. S.R.M&P.M.S.M&A.M. Driving.
2. Energy Saving&Pump more water.

MPPT Technology

1. Whole voltage range.
2. Efficiency up to 99.8%.

Various Specific Functions

1. One-key operation.
2. Dormancy, dry run, low speed, minimum power, pump over current.
3. Water fuifilled, output power limit, PQ curve, pump clear, constant pressure control.

Intelligent IOT

Functional PC Monitor Software

1. Parameters monitoring &Settings.
2. Virtual oscilloscope.

Flexible & Various Installation

MINI&Various installation methods

1. Side by side installation, no need to reserve clearance.
2. Rail mounting, plug into it then use it.
3. Side mounting, sideways installation if vertical space is not compatible.

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