APC AP9224103 Datasheet download pdf (Page 20)

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USER’S GUIDE

masterswitch vm

Current sensing

Each MasterSwitch VM unit is equipped with a sensor that measures the

total current being used by the unit and devices connected to the unit. The

current measurement is displayed on the first screen when you log on and

is used to generate alarms that you define. The values displayed are:

• The aggregate current

• A percentage of the branch circuit rating, which is derived using the

following formula:

In the Unit Configuration section of the MasterSwitch VM menu, you can

define Overload Outlet Restrictions, conditions that generate an Overload

Audible Alarm, and the Low Current Threshold. (See Unit Configuration for

a detailed description of the items listed in the menu.)

Number of Amps Consumed

Branch Circuit Rating

X 100

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APC AP9224103 Datasheet Page 20