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H3C DP52-52 Power Adapter User Guide New H3C Technologies Co., Ltd. http://www.h3c.com Document version: 5W100-20200903...
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The information in this document is subject to change without notice. All contents in this document, including statements, information, and recommendations, are believed to be accurate, but they are presented without warranty of any kind, express or implied. H3C shall not be liable for technical or editorial errors or omissions contained herein.
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Preface This document provides a user guide for installing the DP52-52 Power Adapter. It also covers the power supply views, technical specifications, and installation environment and guidelines. This preface includes the following topics about the documentation: • Audience. • Conventions.
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Symbols Convention Description An alert that calls attention to important information that if not understood or followed WARNING! can result in personal injury. An alert that calls attention to important information that if not understood or followed CAUTION: can result in data loss, data corruption, or damage to hardware or software. An alert that calls attention to essential information.
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Documentation feedback You can e-mail your comments about product documentation to info@h3c.com. We appreciate your comments.
About the H3C DP52-52 power adapter The H3C DP52-52 power adapter is a 12V-input and 52V-output non-isolated regulated DC power supply. It provides protections against overcurrent output, undervoltage input, and overtemperature conditions. It is suitable for supplying power to industrial switches for being waterproof, dustproof, anti-shock, small in size, easy to install, and stable in performance.
Safety guidelines and warnings To avoid possible device damage or bodily injury, read the following safety guidelines and warnings carefully before using the power adapter. Safety guidelines • Keep good ventilation and heat dissipation during the operating process of the power adapter to ensure long-term reliability.
Installing the power adapter Examining the installation environment Table3-1 Requirements for the installation environment Item Specifications Operating temperature –30°C to +60°C (–22°F to +140°F) Storage temperature –40°C to +85°C (–40°F to +185°F) Relative humidity (noncondensing) 5% to 95% ≤ 5000 m (16404.20 ft) Altitude The operating temperature decreases by 1°C (33.8°F) for every increase of 200 m (656.17 ft) above 3000 m (9842.52 ft) in altitude.
Connecting the power wires CAUTION: • To protect the power adapter from damages caused by incorrect power cord connections, identify the input, output, positive (+), and negative (-) marks on the power adapter before connecting the power wires. • Before connecting the power wires, turn off the circuit breaker at the power input end. You can use a 10 A circuit breaker.
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