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60kW InfraStruXure PDU—Operation and Configuration 17
Panel Screen
Branch Ckt Loading
You can display Branch Ckt Loading (Branch Circuit Loading) status if the option to measure
current at the distribution circuit breakers is installed.
You can view data for each individual panel position on the distribution panel. To view status of a
panel position, select the range that includes the position:
The top line of selections on the screen applies to the top distribution circuit breaker panel on the
PDU. The bottom line of selections applies to the bottom distribution circuit breaker panel on the
PDU. The panel position numbers on the screen correspond to the numbers on the distribution panel.
(Odd numbers are on the left; even numbers are on the right.)
Once you have selected the correct range, press the Up and Down arrow keys to scroll through the list
of circuit breakers in the selected range. Poles that are tied together will be shown on the same screen.
In the example above, the screen shows the third circuit breaker of 21 circuit breakers in the selected
range. This is a single-pole circuit breaker, occupying panel position 05. The circuit breaker is rated
at 16 amps. The following data are displayed for each pole:
• Irms: Measured root mean square (
RMS) current of the pole position.
• %LD: Present load as a percentage of rated load of the panel position.
Branch Ckt Limits
Available only if the option to measure individual currents is installed, Branch Ckt Limits (Branch
Circuit Limits) accesses a scrollable list of the circuit breakers in the panel. For each circuit breaker,
the screen displays, in the Loading column, the current on each panel position as a percentage of the
rated current. In the Load Alarm column, you can configure the high and low thresholds for the
circuit breaker as a percentage of its rated current. For example, if you set 80% as the high threshold
for a single-pole 20-amp circuit breaker, an alarm condition occurs if the current reaches 16 amps.
Branch Ckt Loading
Select Range:
[01..41] [02..42]
[43..83] [44..84]
Ckt: 03of21 Irms %LD
05: 16A
11.3 56.5