Cathodic protection rectifiers “UKZT”:
- “UKZT” type – UKZT-A OPE and UKZT-1 OPE modifications;
- “UKZT-U” type – UKZT-AU OPE and UKZT-1U OPE modifications;
- “UKZT-TM” type – UKZT-A OPE TM-GSM and UKZT-AU OPE TM-GSM modification;
- “UKZT-S” type – UKZT-AS OPE 0,3 (portable CP rectifier)