Precision Regulated AC-to-DC Conversion

Get regulated, precise DC power from any AC input with Tripp Lite’s PR40 DC Power Supply. The PR40 efficiently converts power from an AC source to 13.8 V DC, providing perfect input for sensitive equipment like commercial/land-mobile, ham and CB radios, test bench supplies, base stations, car stereos, amplifiers and point-of-sale devices. With crowbar circuit overvoltage protection, automatic time-controlled overcurrent protection and a solid state, integrated circuit, the PR40 isolates connected equipment from potential power disruptions on the AC line. High-quality noise filtering creates very low noise operation so that components perform at their peak. For additional peace of mind, the PR40 comes with a one-year warranty and is compliant with RoHS and TAA standards.

Perfect DC Power for Sensitive Applications

The PR40 is perfect for sensitive DC-powered applications. It has a 40-amp capacity and converts incoming utility AC power to precisely regulated 13.8 V DC current for a variety of radios, bench test equipment, point-of-sale systems and more. Using a solid state, integrated circuit, the PR40 is able to maintain excellent regulation of output voltage, meaning no power disruptions get to connected equipment.


Compact, Attractive Design with Cool Operation

A combination of compact size and color harmonize the PR40 with all modern communications equipment set ups. Inside the unit, large heat sinks omit heat through the PR40’s vented cabinets for cool, continuous operation and long component life.

Exceptional Power Protection

With a heavy-duty power transformer, the PR40 completely isolates equipment from the disruptions that come with utility AC power. Current-limiting electronic foldback enables timer-controlled automatic overcurrent protection, eliminating the risk of overvoltages harming sensitive components. A crowbar circuit provides even further protection against equipment damage. An illuminated power switch offers one-touch control in the event of adverse power conditions or emergencies.


Line Noise Filtering

Noise disruptions on the AC line can damage equipment components and lead to failure over time. The PR40 protects systems from line noise by filtering AC power as it converts it to DC, leading to very low noise operation. This lets DC-powered equipment maintain peak capability and protects your application from incremental damage.

Tripp Lite PR40 Product Summary:

  • Precise DC power from an AC power source for VHF/UHF ham radios, transmitters, commercial radios and a variety of other applications
  • Efficiently converts incoming AC to 13.8 V DC power
  • 40-amp capacity
  • Smaller footprint maximizes operating space
  • Crowbar circuit overload protection guards against overvoltages
  • Large heat sinks and vented cabinet for cool operation and continuous use
  • Illuminated On/Off switch
  • RoHS- and TAA-compliant