UPS symbol
Also called Uninterruptible power supply
An uninterruptible power supply keeps critical loads running from a battery when the normal supply fails.
What the UPS symbol means
An uninterruptible power supply keeps critical loads running from a battery when the normal supply fails.
ANSI and IEC symbols
Where you see it
Control systems, safety systems, telecoms and emergency lighting.
What is written next to it
On a one-line, the UPS carries its tag and its ratings: rating in kVA, autonomy in minutes and the battery.
What gets checked at commissioning
Before the UPS is energised, the test records usually cover: transfer on loss of input, bypass operation and a battery autonomy test. 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 UPS symbol look like?
On ANSI drawings: A box marked UPS with its kVA rating. In IEC 60617: Usually a labelled box, or drawn out as rectifier, battery and inverter.
Is the UPS symbol the same in IEC and ANSI?
Yes, it is drawn the same way in most legends.
Where is a UPS used?
Control systems, safety systems, telecoms and emergency lighting.
- In production since 2014
- Thousands of daily users
- On MODEC FPSO projects since 2016