Samlex 300W 12V Pure Sine Wave Inverter

The Samlex PST-300-12 is a 300 W off-grid pure sine wave inverter that transforms 12 VDC battery power into clean 120 VAC household electricity at 87% efficiency. Built for RVs, boats, and remote off-grid systems running sensitive loads, it accepts a 10.5 to 16.5 VDC input range and delivers stable 120 VAC ± 3% at 60 Hz ± 1%. Comprehensive protection, LED status indication, and a compact 3.46 lb design make it a reliable mobile power source.

Key Features:

• 300 W continuous, 500 W surge for 8 ms
• Pure sine wave output at 87% efficiency
• 12 VDC input, 120 VAC single-phase output
• DC input range 10.5 – 16.5 VDC, 40 A max input
• Output 120 VAC ± 3%, 60 Hz ± 1%, 2.54 A max
• NEMA5-20R GFCI duplex outlets, dry contact comms
• LED display for power and abnormal status
• Temperature-controlled cooling fan, -4°F to 104°F
• 6.1 x 9.69 x 2.58 in, 3.46 lbs
• CSA, FCC Part 15(B), UL 458; 3-year warranty

Ideal for RVs, marine setups, and small off-grid installations powering electronics and appliances that require clean AC. Multi-stage protection against overload, short circuit, low voltage, over-temperature, and reverse polarity keeps connected equipment and batteries safe in demanding mobile and remote environments. Order the PST-300-12 (also listed as PST30012) from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.