
Chapter 2
Safety Considerations
Input Power Ratings
24
Input Power Ratings
Each cabinet has a label mounted at the rear of the cabinet that lists its input power rating. See Figure 2-1 for
the cabinet power label.
WARNING Safety warning labels affixed to the rear of the processor must be in the correct
language for the installation and must show the power configuration of the power
controller. Incorrect labels may result in injury to personnel and damage to
equipment.
CAUTION Do not exceed the cabinet’s International Electrotechnical Commission (IEC) outlet power
ratings. Doing so may cause damage to equipment.
Figure 2-1 Power Label
Power Label Description
Each power label provides power rating information for its corresponding cabinet.
The dash (-) and the virgule (/) symbols on the labels indicate a specific value or range:
• The dash (-) means that the equipment operates properly between the values listed.
• The virgule (/) means that a specific voltage or frequency is required and that internal adjustments or
specific component installation must be made by authorized personnel only.
When the virgule (/) symbol is used, the specific voltage or frequency is also listed on the cabinet’s power cable
safety caution label.
Input Power Inspection Checklist
WARNING Injury to personnel or damage to equipment can occur if the AC input power does
not comply with the specifications on the cabinet power label.
The following information should be verified before applying AC power to a cabinet:
1. Facility AC voltage range and the cabinet voltage requirements are the same.
2. Facility AC input frequency range corresponds to the cabinet frequency range.
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