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1 About the PS-2551-9L3 power supply
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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
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Item |
Description |
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Product code |
PS-2551-9L3 |
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Detailed description |
550W AC & 240V HVDC Power Supply(LT-R1-Platinum) |
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Sales code |
0231ACTD |
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Lowest-level code |
0213A075 |
Figure1-1 PS-2551-9L3 power supply
Figure1-2 Front panel
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(1) Power supply LED |
(2) Latch |
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(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
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Item |
Specifications |
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Rated input voltage range |
· 100 VAC to 240 VAC @ 550 W · 192 VDC to 288 VDC (240 HVDC power source) @ 550 W |
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Rated input current range |
· 6.5 A @ 100 VAC to 240 VAC · 3.6 A Max @ 240 VDC |
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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 |
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Maximum rated output power |
550 W |
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Frequency |
50/60Hz @ 100 VAC to 240 VAC |
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Efficiency at 50% load |
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Temperature |
· Operating: 0°C to 55°C (32°F to 131°F) · Storage: –40°C to +85°C (–40°F to +185°F) |
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Operating humidity |
5% to 90% |
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Maximum altitude |
5000 m (16404.20 ft) |
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Redundancy |
Yes |
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Cold backup |
Yes |
4 LEDs
Table4-1 Power supply LED description
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LED status |
Description |
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Steady green |
The power supply is operating correctly. |
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Flashing green (1 Hz) |
Power is being input correctly but the system is not powered on. |
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Flashing green (0.33 Hz) |
The power supply is in standby state and does not output power. |
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Flashing green (2 Hz) |
The power supply is updating its firmware. |
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Steady amber |
· The power supply is faulty. · The power supply does not have power input, but the other power supply has correct power input. |
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Flashing amber (1 Hz) |
An alarm has occurred on the power supply. |
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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.
