SI21 Series Solar Pump Inverter
  • SI21 Series Solar Pump Inverter

SI21 Series Solar Pump Inverter

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

  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 Spectific 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 monitorning&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.

SI21-D3-2R2G-A
Total Solar Panels Voc input range D1 series: 60~400Vdc
D3 series: 150~450Vdc
D5 series: 250~780Vdc
AC input voltage/frequency range D1 series: Single/three phase 110Vac 50/60Hz
D3 series: Single/three phase 220/230Vac 50/60Hz
D5 series: Three phase 380Vac 50/60Hz
Output voltage/frequency/power range D1 series: 110~230Vac  0~600HZ    0.75~1.5KW
D3 series: 150~230Vac  0~600HZ    0.75~2.2KW
D5 series: 230~460Vac  0~600HZ    0.75~5.5KW
Overload Capacity 1. 150% rated currency    60s;
2. 180% rated currency   10s;
3. 200% rated currency   0.5s;
MPPT efficiency up to 99.8%
Solar Pump Inverter Protection 1. Low speed protection
2. Dormancy function
3. Undervoltage/Overvoltage protection
4. Input/output phase lose protection
5. Phase-Phase/ Phase to ground short circuit protection
Analog signal input/output 0~20mA/0~10V
Multifunction Digital Terminal 4X input 2X output
Build-in Relay control Control relay opening and closing according to inverter status
Warranty Period 18 Months
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