SEFRAM SEFRAM70 Manuel D'utilisation page 24

Phase Rotation Test
- Clockwise Phase Sequence L1-L2-L3(Right)
- Counterclockwise Phase Sequence L1-L3-L2(Left)
 Warning
Phase Rotation Test works only on 3 phase 4 wire system.
The result is unreliable on other systems.
 Note
It is necessary to check the result by test with reverse sequence.