Morningstar-SI-300-220V SureSine Pure Sine Wave Inverter
Morningstar-SI-300-220V SureSine Pure Sine Wave Inverter
Morningstar-SI-300-220V SureSine Pure Sine Wave Inverter

Morningstar-SI-300-220V SureSine Pure Sine Wave Inverter

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Morningstar-SI-300-220V SureSine Pure Sine Wave Inverter

Product is not returnable

The SureSine is a 300 watt pure sine wave inverter (12 volt DCinput) designed specifically for remote off-grid photovoltaic (PV)systems. It is an ideal inverter for rural electrification projects,telecom, remote cabins and weekend homes, and RV or caravans and boats.The SureSine’s combination of performance, features and competitiveprice provides the best small inverter value on the market.


  • 2 years

Model Numbers

  • SI-300-115V-UL (60 Hz), SI-300-220V (50 Hz), SI-300-115V (60 Hz)

Key Features and Benefits

  • Pure Sine Wave
  • Handles up to 200% surge
  • 55mA self consumption (standby mode)
  • No internal cooling fan
  • Adjustable and Programmable
  • Toroidal transformer design
  • Peak efficiency of 92%
  • Extensive electronic protections with automatic recovery
  • Protected against harsh tropical and marine environment
Electrical Specifications
Continuous Power Rating 300 Watts @ 25C
Peak Power Rating (10 minutes) 600 Watts @ 25C
DC Input Voltage 10.0V — 15.5V
Waveform Pure sine wave
AC Output Voltage (RMS)* 220V ( +/— 10%)
AC Output Frequency* 220 VAC at 50 HZ (+/— 0.1%)
Peak Efficiency 92%
Total Harmonic Distortion (THD) < 4%
Self Consumption  
Inverter On (no load) 450mA
Inverter Off 25mA
Stand-by 55mA
Low Voltage Disconnect (LVD) 11.5 V or 10.5 V**
Low Voltage Reconnect 12.6 V or 11.6 V**
LVD Warning Threshold (buzzer) 11.8 V or 10.8 V**
LVD Delay Period 4 minutes
High Voltage Disconnect 15.5 V
High Voltage Reconnect 14.5 V
Standby On Threshold 8 Watts
Standby Off Threshold 8 Watts
High Temperature Disconnect 95C (heatsink)
High Temperature Reconnect 80C (heatsink)
Mechanical Specifications
Dimensions 8.4 x 6.0 x 4.1 in 213 x 152 x 105 mm
Weight 4.5 Kg / 10.0 lbs
AC Terminals Max. Wire Size 4 mm2 / 12 AWG
DC Terminals Max. Wire Size 2.5 to 35 mm2 14 to 2 AWG
Remote On/Off Terminals Max. Wire Size 0.25 to 1.0 mm2 24 to 16 AWG
Enclosure IP20 Cast anodized aluminum
Environmental Specifications
Ambient Operating Temp —40C to +45C
Storage Temperature —55C to +85C
Humidity 100% (non-condensing)
Tropicalization Conformal coating on printed circuit boards Epoxy encapsulated transformer and inductors
CE Compliant UL Listed (UL 458) — 115 V version ONLY cUL (CSA C22.2 No. 107.1-01) — 115 V version ONLY


Would you like to add these items to your order?
  1. Morningstar RM-1 Remote Meter   $85.55


This Product does not include Tax and shipping costs. International shipping is subject to regulations and Import Taxation of Country of destination.

AMRtechnologies Inc. Solar & Electrical Systems
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