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Samlex PST-300-12 Pure Sine Wave Inverter 300W 12V DC to 120V AC

Manufacturer

Samlex

<h3>About Samlex America</h3><p>Founded in 1991 and headquartered in Burnaby, British Columbia, <strong>Samlex America</strong> has grown into one of the most respected names in power conversion technology. With a commercial footprint spanning more than 90 countries, Samlex serves a remarkably wide range of industries — from communications and mobile fleet management to marine, RV, off-road, and fixed off-grid installations. Whether you need to power sensitive electronics in a remote cabin or keep a commercial work truck running smoothly in the field, Samlex engineers a solution built to last.</p><h3>A Complete Power Conversion Lineup</h3><p>What sets Samlex apart from one-trick-pony manufacturers is the sheer breadth and integration of their product ecosystem. Their catalog spans AC-DC power supplies, DC-DC voltage converters, solar panels and kits, battery accessories, transfer switches, and solar charge controllers. At the heart of the lineup, however, are two product families that have earned Samlex its stellar industry reputation: <a href="/7541-samlex-power-inverter-14297">power inverters</a> and <a href="/7541-samlex-battery-charger-14307">battery chargers</a>.</p><p><a href="/7541-samlex-power-inverter-14297">Samlex power inverters</a> are available in both pure sine wave and modified sine wave configurations, covering an enormous range of wattage requirements. Pure sine wave models — like the flagship NTX and EVO&trade; Series — deliver power that is virtually identical in quality to utility grid power, making them ideal for sensitive electronics, medical devices, and modern appliances. For users who need dependable DC-to-AC conversion in RVs, boats, or work vehicles, Samlex inverters are a go-to choice trusted by engineers and hobbyists alike.</p><p>On the charging side, <a href="/7541-samlex-battery-charger-14307">Samlex battery chargers</a> employ switched-mode technology to deliver efficient, quiet, and intelligent charging across 12V and 24V platforms. Their chargers are compatible with a wide variety of battery chemistries — including flooded lead-acid, AGM, GEL, and lithium-ion — making them a versatile fit for everything from marine deep-cycle banks to off-grid energy storage systems.</p><h3>Industries Served</h3><p>Samlex&apos;s versatility is one of its most compelling traits. Their products are deployed across an impressive range of real-world applications:</p><ul style="list-style:disc"><li><strong>RV &amp; Camping:</strong> Stay powered on the road or at the campsite without relying on shore power or noisy generators.</li><li><strong>Marine:</strong> Reliable power conversion for onboard electronics, navigation systems, and creature comforts on the water.</li><li><strong>Mobile Fleet &amp; Work Trucks:</strong> Keep tools, lighting, and communication equipment running efficiently from your vehicle&apos;s battery system.</li><li><strong>Fixed Off-Grid:</strong> Pair Samlex inverters and chargers with solar panels for a complete, self-sufficient energy system.</li><li><strong>Communications:</strong> Mission-critical backup power for radio base stations, repeaters, and 24/7 communication infrastructure.</li><li><strong>OEM &amp; Commercial:</strong> Custom power solutions built to specification for industrial and commercial integration projects.</li></ul><h3>Built on a Foundation of Reliability</h3><p>Samlex&apos;s commitment to engineering quality is evident in the protection features baked into their products. Many units include multiple layers of fault monitoring — scanning for adverse conditions thousands of times per second — along with thermal management systems that activate cooling only when necessary to reduce noise and energy draw. It&apos;s this level of attention to detail that has made Samlex a trusted partner for demanding commercial and industrial markets worldwide for over three decades.</p>

Part Number

PST-300-12
09/12/2036 6:02 AM
Sale Price

$246.82

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Samlex PST-300-12 is a high-efficiency pure sine wave inverter that converts 12V DC power to 300 watts of clean 120V AC power at 60 Hz. This commercial-grade inverter is ideal for powering sensitive electronics in RVs, boats, service vehicles, and off-grid solar systems. The unit features a temperature-controlled cooling fan for reduced energy consumption and a wide operating voltage range of 10.5-16.5 VDC.

Key Features:

  • Pure sine wave output for safe operation of sensitive electronics and appliances
  • 500-watt surge capacity handles startup loads from motors and compressors
  • Dual GFCI-protected NEMA 5-20R AC outlets on front panel
  • Universal Protection Circuit (UPC) with low voltage, over voltage, over temperature, overload, and short circuit protection
  • Low idle power draw of less than 0.5 amps conserves battery power
  • LED indicators for power status and fault conditions
  • Temperature-controlled cooling fan activates only when needed
  • Low electromagnetic interference design
  • Includes detachable cable with 12V plug adapter and battery clamps for flexible installation
  • ETL certified to UL standards and FCC compliant

Technical Specifications:

  • Continuous Output Power: 300 watts
  • Surge Power: 500 watts
  • Input Voltage: 12 VDC (10.5-16.5 VDC operating range)
  • Output Voltage: 120 VAC, 60 Hz
  • Waveform: Pure sine wave
  • Efficiency: High efficiency design
  • AC Outlets: 2 GFCI-protected outlets
  • Dimensions: 6.1" L x 9.69" W x 2.58" H
  • Weight: 3.46 lbs
  • Warranty: 2-year limited

This inverter is perfect for powering laptops, TVs, small appliances, power tools, and other electronics in mobile applications. The commercial-grade design is suitable for heavy-duty loads, extended continuous operation, and emergency backup power systems. Samlex's PST series delivers reliable, clean AC power wherever you need it.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

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