Morningstar SureSine Off-Grid Inverter
Model SI-300-115V-UL
The SureSine is a 300 watt pure sine wave inverter (12 volt DC input) 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 competitive price provides the best small inverter value on the market.
Key Features and Benefits:
Improved Load Operation
Pure Sine Wave – Provides quality AC equivalent to grid power. A sine wave will extend the life of the household appliances (lights, TV, fans) and improve load performance.
Toroidal transformer design – Generates good wave form throughout the range of input voltages.
Outstanding Surge Capability – Handles a 200% surge during load start-up, to a maximum of 600 watts.
More Power Available
High Efficiency – A high peak efficiency will reduce heating and make more solar energy available for powering loads.
Low Self-Consumption – The SureSine consumes 450mA while powering loads. During no load conditions, solar renergy is not wasted because the SureSine automatically powers down to stand-by mode, reducing self-consumption to one tenth of operating consumption.
Extremely High Reliability
Extensive Electronic Protections – The SureSine has extensive electronic protections that will automatically protect against faults and user mistakes such as short circuit,overload, high temperature and low voltage disconnect. Recovery from most faults is automatic.
No Internal Cooling Fan – A key design objective since fans often fail in harsh environments and are noisy, consume power and blow dirt into the electronics.
Tropicalization – The SureSine uses epoxy encapsulation, conformal coating, stainless steel hardware, and ananodized aluminum enclosure to protect against harsh tropical and marine environments.
Other Features
More Information – The two LEDs provide important information to the user about system status and any fault conditions. An optional digital meter may be connected to the SureSine to display additional system information.
Remote On/Off – Improves safety by making it easy to install the SureSine in an inaccessible location or enclosure.Reduces system cost by avoiding the need to add an AC safety disconnect to the system.
Adjustability – Four DIP switches provide easy adjustability of several system parameters. Additional adjustability is possible via RJ-11 to RS-232 adapter to a personal computer and using Morningstar’s PC software.
Electrical Specifications
• Wattage: 300W
• Input Voltage: 12VDC
• Frequency: 60Hz
Optional Remote Meter
• Dimensions (in.) 3.8 x 3.8
Product Manufacturer: Morningstar
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