Currently in production:
- Single-phase on-load tap-changers type RNOA for voltage class up to 330 kV and currents up to 2400 A
- Three-phase on-load tap-changers type RNTA-Y-35/125 for voltage class 35 kV and current up to 125 A
- Three-phase on-load tap-changers type RNTA, star circuit, for voltage classes 35 and 60 kV and currents 200, 400 and 630 A
- Three-phase on-load tap-changer devices type RNTA-Y-35/800 and 1250 for voltage classes 35 and 60 kV and currents 800, 1250 A
- Three-phase on-load tap-changers type RNTA-Y-110/630, 800 and 1250 for voltage class 110 kV and currents 630, 800, 1250 A
- Three-phase on-load tap-changers type RNTA-III-35/1250, delta circuit - with completely isolated phases
