Rectifier symbol
Also called AC/DC converter, Charger
A rectifier converts AC to DC, for example to charge a battery or supply a DC bus.
What the rectifier symbol means
A rectifier converts AC to DC, for example to charge a battery or supply a DC bus.
ANSI and IEC symbols
Where you see it
UPS units, battery chargers and DC switchboards.
What is written next to it
On a one-line, the rectifier carries its tag and its ratings: AC input and DC output voltage and current.
What gets checked at commissioning
Before the rectifier is energised, the test records usually cover: output voltage, float and boost charge settings and alarms. 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 rectifier symbol look like?
On ANSI drawings: A box with a diode, or marked RECT. In IEC 60617: The converter square with AC in and DC out.
Is the rectifier symbol the same in IEC and ANSI?
No. The converter square with AC in and DC out. The IEC 60617 number is S00894.
Where is a rectifier used?
UPS units, battery chargers and DC switchboards.
- In production since 2014
- Thousands of daily users
- On MODEC FPSO projects since 2016