# Samlex 300W Pure Sine Wave Inverter - 12V [PST-300-12]

**300W Pure Sine Wave Inverter - 12V**

**PST Series (120 VAC)**

This high efficiency DC-AC inverter converts 12 Volts DC to 300 Watts of pure sine-wave AC power at 120 Volts, 60 Hz. The unit comes with detachable cable with 12V plug adaptor and cable with battery clamps. Features include overload protection, low battery alarm / shut down, low idle power draw of less than 0.5 Amps. AC power is available from a NEMA-20R GFCI duplex outlet on the front panel. Safety certified to UL standards.

**Features:**

-   High efficiency
-   Temperature controlled cooling fan – reduces energy consumption
-   Low interference Wide operating DC input range: 10.5 - 16.5 VDC
-   LED indicators for power and protections
-   Low idle power draw
-   Dual GFCI protected AC outlets
-   Commercial grade design suitable for heavy duty loads, long periods of continuous operation & for emergency back up
-   UPC – Universal Protection Circuit: low voltage, over voltage, over temperature, over load and short circuit
-   Detachable cable with 12V plug adapter
-   Detachable cable with battery clamps
-   Safety certified to UL standards, FCC compliant

**Specifications:**

-   Input: 12 VDC
-   Output: 120 VAC
-   Watts: 300
-   Surge: 500 Watts
-   Outlets: 2
-   Weight: 3.46 (lbs)
-   Weight: 1.57 (kg)
-   Dimensions: 6.1 x 9.69 x 2.58 (in)
-   Dimensions: 155 x 246 x 65.5 (mm)
-   Safety: ETL to UL Standard
-   Warranty: 2 Year Limited

**Applications:**

-   Service vehicles
-   Mobile Offices
-   Boats
-   Recreation Vehicles, Camping
-   Telecommunication
-   Field work / Construction sites
-   Solar power systems
-   Emergency backup power
-   Home electronics: TV, VCR, video games
-   Computers, printers

![Warning](https://productimageserver.com/prop65/6pt.png)**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](http://P65Warnings.ca.gov).

**Specifications:**

-   Inverter Cont. Output Wattage: 300w
-   Outlet Qty: 2 Duplex GFCI
-   Inverter Input Voltage: 12v
-   Waveform: Pure Sine Wave
-   Box Dimensions: 4"H x 8"W x 12"L WT: 4.9 lbs
-   UPC: 622988072130

  
[Owner's Manual (pdf)](https://productimageserver.com/literature/ownersManual/67170OM.pdf)  
[Brochure (pdf)](https://productimageserver.com/literature/brochure/67170BR.pdf)

## Details

- **Price:** 269.6 USD
- **Type:** Inverters
- **Tags:** Automotive/RV, Automotive/RV | Inverters, Brand_Samlex America, MAP

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 269.60 USD | In stock |

## Images

- Samlex 300W Pure Sine Wave Inverter - 12V [PST-300-12] Samlex America

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> Source: [Besafe1st](https://besafe1st.com/products/samlex-300w-pure-sine-wave-inverter-12v-pst-300-12)
> Updated: 2026-05-30