I'm having issue with nuisance tripping.
2U RCBO works fine 20A 30mA, trip time 28ms
1U RCBO is nuisance tripping 32A, 30mA trip, time 25ms and 8ms with a 180° offset.
I'd rather use the 1U for reasons but it's too sensitive. If I get another will it be the same?
Hager AD920J (2U)
Hager ADA332G (1U)