H3C PS-2551-9L3 User manual

H3C PS-2551-9L3
Power Supply Manual
New H3C Technologies Co., Ltd.
http://www.h3c.com
Document version: 6W100-20220610

Copyright © 2022, New H3C Technologies Co., Ltd. and its licensors
All rights reserved
No part of this manual may be reproduced or transmitted in any form or by any means without prior written
consent of New H3C Technologies Co., Ltd.
Trademarks
Except for the trademarks of New H3C Technologies Co., Ltd., any trademarks that may be mentioned in this
document are the property of their respective owners.
Notice
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.
Environmental protection
This product has been designed to comply with the environmental protection requirements. The storage, use,
and disposal of this product must meet the applicable national laws and regulations.

i
Contents
1 About the PS-2551-9L3 power supply······················································1-1
2 Key features ····························································································2-2
Protection························································································································································2-2
Redundancy····················································································································································2-2
Hot swapping ··················································································································································2-2
Tool free replacement·····································································································································2-2
3 Technical specifications···········································································3-2
4 LEDs········································································································4-3
5 Installing and removing the power supply················································5-3

1-1
1 About the PS-2551-9L3 power supply
IMPORTANT:
•
The information in this document might differ from your product if it contains custom
configuration options or features.
•
The figures in this document are for illustration only.
•For the servers supported by the PS-2551-9L3 power supply, contact H3C Support.
The PS-2551-9L3 power supply supports AC input, high-voltage DC input, and DC output, and
provides a maximum rated output of 550 W.
Table1-1 PS-2551-9L3 power supply description
Item
Description
Product code PS-2551-9L3
Detailed description 550W AC & 240V HVDC Power Supply(LT-R1-Platinum)
Sales code 0231ACTD
Lowest-level code 0213A075
Figure1-1 PS-2551-9L3 power supply
Figure1-2 Front panel
(1) Power supply LED
(2) Latch

3-2
(1) Power supply LED
(2) Latch
(3) Power receptacle
(4) Handle
2 Key features
Protection
The power supply provides protection against input overcurrent, input undervoltage, output
overvoltage, output limit, output short circuit, and overtemperature conditions.
Redundancy
Multiple power supplies can be connected in parallel to achieve N+1 or N+N redundancy and load
balancing.
Hot swapping
You can install or remove a power supply when the device is operating.
Tool free replacement
You can replace a power supply without using the tools.
3 Technical specifications
Table3-1 Technical specifications
Item
Specifications
Rated input voltage range •100 VAC to 240 VAC @ 550 W
•192 VDC to 288 VDC (240 HVDC power source) @ 550 W
Rated input current range •6.5 A @ 100 VAC to 240 VAC
•3.6 A Max @ 240 VDC
Maximum rated heat dissipation
•2225 BTU/hr @ 100 VAC
•2120 BTU/hr @ 220 VAC
•2115 BTU/hr @ 240 VAC
•2128 BTU/hr @ 240 VDC
•2121 BTU/hr @ 270 VDC
Maximum rated output power 550 W
Frequency 50/60Hz @ 100 VAC to 240 VAC
Efficiency at 50% load 80 Plus Platinum
Temperature •Operating: 0°C to 55°C (32°F to 131°F)
•Storage: –40°C to +85°C (–40°F to +185°F)

5-3
Item
Specifications
Operating humidity 5% to 90%
Maximum altitude 5000 m (16404.20 ft)
Redundancy Yes
Cold backup Yes
4 LEDs
Table4-1 Power supply LED description
LED status
Description
Steady green The power supply is operating correctly.
Flashing green (1 Hz) Power is being input correctly but the system is not powered on.
Flashing green (0.33 Hz) The power supply is in standby state and does not output power.
Flashing green (2 Hz) The power supply is updating its firmware.
Steady amber
•The power supply is faulty.
•The power supply does not have power input, but the other
power supply has correct power input.
Flashing amber (1 Hz) An alarm has occurred on the power supply.
Off No power supplies have power input, which can be caused by an
incorrect power cord connection or power source shutdown.
5 Installing and removing the power
supply
For information about installing and removing the power supply, see the user guide for the device.