Click the Exhibit. In the exhibit, which component is represented by the box with the arrow?

The correct answer is D. Automatic transfer switch. An Automatic Transfer Switch (ATS) is specifically designed to detect a loss of primary power and automatically transfer electrical loads to a backup source, such as a generator - and the arrow in the diagram symbol represents exactly that switching action between two power…

Power Systems in the Data Center

Question

Click the Exhibit.
In the exhibit, which component is represented by the box with the arrow?

Options

AAlternator
BSwitchgear
CSub feed panel
DAutomatic transfer switch

How the community answered

(27 responses)

A
7% (2)
B
4% (1)
C
11% (3)
D
78% (21)

Explanation

An Automatic Transfer Switch (ATS) is specifically designed to detect a loss of primary power and automatically transfer electrical loads to a backup source, such as a generator - and the arrow in the diagram symbol represents exactly that switching action between two power sources. An alternator (A) is a power-generating device, not a switching device, so it would never be shown with a transfer symbol. Switchgear (B) refers to a broader assembly of protective equipment like breakers and disconnects used to control and protect circuits, not to transfer between sources. A sub feed panel (C) is simply a secondary distribution panel that receives and distributes power, with no automatic source-switching function.

Memory tip: ATS stands for Automatic Transfer Switch - the word "Transfer" tells you its job is to move (transfer) power from one source to another, and the arrow in the diagram points to where that transfer happens.

Topics

#automatic transfer switch#power distribution diagram#generator components#ATS identification

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