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Precision-Regulated DC Power Supplies
Overview
Tripp Lite PR series DC power supplies convert standard 120 Volt AC (VAC), 60Hz power into
regulated 13.8 Volt DC (VDC) power; (12V DC output, nominal). PR series models are ideal for
powering a wide range of equipment designed to run on 12V DC power. PR series models can
also be used as general-purpose test bench power sources.
BATTERY CHARGING NOTE
DO NOT use PR series models rated at 12 amps and lower for battery charging. If you connect
a battery to any of these models with the unit NOT plugged into a live 120 Volt AC outlet or the
unit plugged in but turned OFF, you may burn out the unit because of reverse current flow.
You MAY use PR series models rated at 15 amps and higher for battery charging. However, the
battery must be separately fused with a fuse not greater than the value of the unit's nameplate
amperage rating. Otherwise, the battery can cause current flow greater than the unit's
amperage rating back into the unit under certain circumstances and may burn out the unit.
1111 W. 35th Street, Chicago, IL 60609 USA • www.tripplite.com/support
Copyright © 2013 Tripp Lite. All trademarks are the sole property of their respective owners.
13-01-026-933241.indd 1
Owner's Manual
PR Series
PR3UL, PR4.5, PR7, PR10, PR12, PR15, PR20,
PR25, PR30, PR40, PR50, PR60
For use in 120V/60Hz environments
Overview
Features
Installation
Current Ratings
Troubleshooting
Specifications
Warranty and Warranty Registration
Models:
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Table of Contents
Related Manuals for Tripp Lite PR3UL
Summary of Contents for Tripp Lite PR3UL
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Page 1: Current Ratings
Warranty and Warranty Registration Overview Tripp Lite PR series DC power supplies convert standard 120 Volt AC (VAC), 60Hz power into regulated 13.8 Volt DC (VDC) power; (12V DC output, nominal). PR series models are ideal for powering a wide range of equipment designed to run on 12V DC power. PR series models can also be used as general-purpose test bench power sources. -
Page 2: Power Supply Installation
Features • Solid State Integrated Circuit: Provides excellent voltage regulation to within ±0.5V; output voltage is maintained from 0 to 95% of full load • Crowbar Overvoltage Protection: Prevents overvoltage surges from damaging connected equipment (15 amp and larger models) •... -
Page 3: Equipment Connection
Turn the connected DC equipment ON only after the power supply has been turned ON. Current Ratings Tripp Lite PR series’ power supply current ratings are based on the industry standard ICS (Intermittent Communications Service), limited by heat buildup. This translates to a 50% duty cycle of 5 minutes ON, 5 minutes OFF. -
Page 4: Warranty Registration
1-Year Limited Warranty TRIPP LITE warrants its products to be free from defects in materials and workmanship for a period of one (1) year from the date of initial purchase. TRIPP LITE’s obligation under this warranty is limited to repairing or replacing (at its sole option) any such defective products.
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