300 Watt Pure Sine Wave Inverter

Inexpensive 300w pure sine wave power inverter for sale, 12V/24V/48V DC input, 110V/120V, 220V/230V/240V 50Hz/60Hz output for selection.
Delivery date: 6 - 12 Days

12 volt portable 300w pure sine wave inverter with USB outlet for your home devices.

Basic Specification

Input DC Voltage 12V 24V 48V
DC Voltage Range 10.5V~15V 21V~30V 42V~60V
Output AC Voltage 100V, 110V, 120V, 220V, 230V, 240V (Option)
Frequency 50Hz/60Hz +/-0.3% (Option)
Rated Power 300W
Peak Power 600W
Waveform Pure sine wave (THD<3%)
Efficiency >90%
Fuse 40A 20A 10A
Remote Control YES (Add-on) NO
USB Port DC 5V +/- 5%, 500mA
Outlet Types Universal outlet (Or specify it in orders)
Protection Over Voltage All indicators OFF, alarm Bi~~~
Under Voltage 10.5V 21V 42V
Indicate alarm Bi~~~, then all indicators OFF, alarm BiBi~~~
Overload & Short Circuit Red indicator ON, alarm BiBi~~~
Overheat Yellow indicator ON
Environment Working Temperature -5-50°C
Storage Temperature -20-55°C
Working Humidity 10%-90%
Storage Humidity 5%-95%
Specs Dimension (180+25) * 95 * 55 mm
Package Size 240 * 127 * 66 mm
Net Weight 0.75 kg
Gross Weigh 1 kg


Tips: What are the requirements to connect a power inverter of 300 watts to grid supply? Does it require coupling with a transformer or do any other specification there?

Since this 300w power inverter is grid-tie it will be a current source type. Therefore the inverter source impedance (looking from the grid interface point) has to be higher than the grid input impedance in order to maintain stability. This 300 watt inverter should have a sine wave output, otherwise a filter is needed to make output compatible with the local electrical codes. This means there cannot be any output capacitance, or you have to use L-C-L type filter at the inverter output. You can connect grid connect pure sine wave inverter (inverter which is synchronized to line frequency). You don't need transformer in the USA. You do need it in Europe because of the local codes.

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