
Samlex | Inverter, 300 Watts 12VDC, Pure Sine Wave 120VAC
300W Pure Sine Wave Inverter – 12VDC to 120VAC (Model PST-300-12)
The PST-300-12 is a compact, high-efficiency DC to AC inverter that delivers 300 Watts of continuous pure sine wave power from a 12V DC source. Ideal for sensitive electronics, this inverter ensures stable and clean power at 120V, 60 Hz. The unit comes complete with detachable input cables—one with a 12V plug adapter for vehicle use, and another with battery clamps for direct battery connection. Dual GFCI AC outlets, smart protection features, and UL safety certification make it perfect for portable, vehicle-based, or off-grid power applications.
Key Features
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Pure Sine Wave Output
Clean AC power ideal for sensitive devices like laptops, tools, appliances, and electronics. -
300W Continuous Output / Low Idle Draw
Maintains efficient energy use while idle or under light load conditions. -
Wide DC Input Range (10.5 – 16.5 VDC)
Tolerant of varying input voltages from 12V battery systems. -
Dual GFCI Protected AC Outlets (NEMA-20R)
Ensures safe, grounded power for two connected devices. -
Detachable Input Cables Included
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12V plug adapter for lighter socket use
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Battery clamp cable for direct battery hookup
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Universal Protection Circuit (UPC)
Built-in safeguards against:-
Low voltage
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Over voltage
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Overload
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Over temperature
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Short circuit
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Temperature-Controlled Cooling Fan
Operates only when needed to save energy and reduce noise. -
LED Indicators for Power and Protection Status
Instant system feedback for quick monitoring and troubleshooting. -
Remote ON/OFF Ready
Includes input for remote switch or ignition start operation. -
Safety Certified
UL listed and FCC compliant for peace of mind in all applications.
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Specification
Input: 12 VDC
Output: 120 VAC
Watts: 300 Watts
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
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We do not sell any used or refurbished items.

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Frequently Asked Questions

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