300 Watt DC/AC True Sine Wave Inverter with extra high efficiency

Military grade pure sine wave inverters click here

Custom design and manufacture of state-of-the-art battery chargers, UPS, and power supplies for OEMs in a hurry!

There are two types of inverters, modified sine wave and pure sine wave. The most common is "modified sine wave," which is a square wave with a pause as it passes through zero volts. This pause puts most of the power in the fundamental frequency of 60Hz, but does not eliminate all the higher harmonic frequencies which can cause buzzing in audio and entertainment systems, and can cause probems in some sensitive equipment.

In the modified sine wave inverter the power MOSFET switches are either all the way on or all the way off. This means that there is very little power dissipated in the MOSFETs. This enables the inverter designer to use much smaller transistors and heat sinks than the pure sine wave inverter, and makes the modified sine wave very cheap.

These inverters are pure sine wave inverters, which means that the output is a sine wave, which only contains the fundamental at 60 Hz. Therefore it doesn't radiate or transmit noise to other equipment and is kinder to the electronics that it is powering. It is a good, solid design, and a great price for a pure sine inverter.

In other words it is just like the clean power you have in your home or office.

Not available at this time, sorry.

PST-G12-300S	12V DC Input	24V DC Input
Output power	300W continuous	300W continuous
Output power	1000W for surge output	1000W for surge output
Input voltage	DC 10V~15V	DC 20V~30V
Output voltage	AC 120V or AC 240V	AC 120V or AC 240V
Output voltage regulation	±6% max.	±6% max.
Output wave form	True sine wave	True sine wave
Output frequency	60Hz ± 1% or 50 Hz ±1%	60Hz ± 1% or 50 Hz ±1%
Battery low alarm	10.5V ± 0.5V	21V ± 1V
Battery low shutdown	10V ± 0.5V	20V ± 1V
Stand by powert	<20 Watts	<20Watts
Distortion	4% maximum	4% maximum
Efficiency	90% at full power 95% at 1/3 power	90% at full power 95% at 1/3 power
Thermal protection	60 ± 10°C (140±18°F)	60 ± 10°C (140±18°F)
Cooling	By fan	By fan
Protection	Output short Battery low alarm Battery low shutdown Battery polarity reverse (by fuse) Over load Over temperature
Fuse	35 amp fuses, spade-style automotive fuse	35 amp fuses, spade-style automotive fuse
AC output outlets	Two AC outlets, universal socket*	Two AC outlets, universal socket*
Dimensions (L X W X H)	225mm x 240mm x 80 mm (8.8 x 9.4 x 3.1 inches )	225mm x 240mm x 80 mm (8.8 x 9.4 x 3.1 inches )
Weight	2.8 Kgs / 6.2 lbs.(approx.)	2.8 Kgs / 6.2 lbs.(approx.)

*For convenience of our customers the output receptical is a universal-style socket which can be used with AC plugs from the USA, Europe, UK, Europe, Australia, etc.
Prices
Installation notes: To draw 300 watts from the inverter you will need to supply about 27 amps at 12 volts of battery power for the input. Plan for large wires. For wire sizing information click here. For 1000 watts of peak power you will need 92 amps of 12 volt battery power. For the 24 volt models divide these currents by two.

FEATURES: * Primary / Secondary Isolation * Soft Start Operation * Output Short Circuit Shutdown Protection * Input Polarity Reverse Protection * Battery High / Low Voltage Protection SPECIFICATIONS: 120VAC 60 HZ (OR 220VAC 50 HZ) OUTPUTS: * 12V DC pr 24V DC Power Input * 120VAC 60 Hz (or 220VAC 50 Hz) Output * True (Pure) Sine Wave * 300W Continuous / 1000W Peak Output *

Advantages:

Inexpensive true sine wave inverter with relatively light weight for power supplied.

Protects battery from overdischarge damage.

Alarm sounds some time before it cuts out due to low battery. How long this is depends on your battery capacity.

Low cost.

Note: these inverters are off-the-shelf for retail and wholesale orders. OEM quantities are available on a custom order basis

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