Table 32. ThinkEdge 240W 230V/115V External Power Supply (continued)
Information published Value and precision Unit
Efficiency at low load (10 %)
87.35 %
No-load power consumption 0.13 W
Table 33. ThinkEdge 240W 230V/115V External Power Supply v2
Information published Value and precision Unit
Manufacturer’s name Lenovo
-
Model identifier GA240SD1-12020000
-
Input voltage 100-240 V
Input AC frequency
50-60 Hz
Output voltage
12.2 V
Output current
20.0 A
Output power
240.0 W
Average active efficiency 93.21 %
Efficiency at low load (10 %)
79.0 %
No-load power consumption 0.097 W
Before you install a power adapter, complete the following steps:
1. Read the following sections to ensure that you work safely.
•
“Safety” on page iii
• “Installation Guidelines” on page 37
2. Turn off the server. Disconnect the power cords and all external cables (see “Power off the server” on
page 16
).
3. Remove the node from the enclosure if needed (see
“Remove a node” on page 98).
CAUTION:
• Power adapters to the node must be with the same brand, power rating, wattage or efficiency level.
• To distinguish the power adapters, check the size, the position of connector, and the label of the
power adapters.
Chapter 3. Hardware replacement procedures 115
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