Ammeter symbol
Also called Current meter
An ammeter shows the current in a circuit, usually fed from a current transformer.
What the ammeter symbol means
An ammeter shows the current in a circuit, usually fed from a current transformer.
ANSI and IEC symbols
Where you see it
On switchgear panels, motor feeders and generator panels.
What is written next to it
On a one-line, the ammeter carries its tag and its ratings: range and the CT ratio it reads from.
What gets checked at commissioning
Before the ammeter is energised, the test records usually cover: A check against a calibrated injection source. Each check is recorded against the tag, so the system can be handed over with its evidence. See commissioning software.
Related symbols
Frequently asked questions
What does the ammeter symbol look like?
On ANSI drawings: A circle with A, connected to the CT. In IEC 60617: The indicating instrument circle with A for amperes.
Is the ammeter symbol the same in IEC and ANSI?
Yes, it is drawn the same way in most legends.
Where is a ammeter used?
On switchgear panels, motor feeders and generator panels.
- In production since 2014
- Thousands of daily users
- On MODEC FPSO projects since 2016