over and under voltage protection relay


OUV is a microprocessor controlled precision instrument displaying measured AC/DC voltage.

The Unit offers 380 VAC -3Ø  over/under protection, 110/220 VDC over/under protection and positive/negative Earth leakage protection.

OUV provide all required protection for AC, DC and Earth leakage and all values can be adjusted digitally through LCD and push buttons

The Unit have one normally open relay for general alarm and four programmable change over relays.

The supply inputs of the unit is isolated from measurement inputs. It operates between 85 -265 VAC or 80-250 VDC.

As option it is used as battery charger protection unit.