Products

On-load Tap-Changers

Vacuum type OLTCs
SF6 Gas Insulated Vacuum Type OLTCs
Arcing contacts in oil OLTCs

De-energized Tap-Changers

Series PBVE
Series PBV
Series PBVKL

Drive units

Hand Drive
Motor Drive

Vacuum type OLTCs

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RSV 5.3 SERIES

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Unique design with vacuum technology

Maximum rated currents

1250 A - three-phase design for delta connected windings

Highest voltage for equipment

36 kV - full insulation between the phases of delta connected windings

Step voltage

1000 V

Connection diagrams

with and without coarse and reverse change-over selector

Number of steps

up to 27

Insulation level of the selector

K and L

Carrying flange shape

round

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RSV 22 SERIES

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Innovative design, cost effectiveness, environmental benefits

Rated currents

400 A – Three phase design

Rated voltage

72,5 kV

Step voltage

1200 V

Connection diagrams

Reverse change-over selector

Number of steps

Up to 23

Selector switch insulation level

L

Carrying flange shape

Round

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RSV 6.3 SERIES

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High-power solution with vacuum interrupters

Rated currents

up to 1200 A - three phase design for regulation at the neutral point

Rated voltage

41,5 - 300 kV

Step voltage

up to 2500 V

Connection diagrams

with and without coarse and reverse change-over selector

Number of steps

up to 27

Selector switch insulation level

K, L, M

Carrying flange shape

round

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RSV 9 and RSV 9.3 SERIES

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Universal tap changer in vacuum technology

Rated currents

400 - 700 A - three phase design for regulation at neutral point
400 - 1500 A - single phase de

Rated voltage

72,5 - 300 kV

Step voltage

up to 3500 V

Connection diagrams:

with and without coarse and reverse change-over selector

Number of steps

up to 35

Selector switch insulation level

K, L, M, N and P

Carrying flange shape

round

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RSV 12 SERIES

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Compact design in vacuum technology

Rated currents

250 - 600 A

Rated voltage

41.5 - 145 kV

Step voltage

up to 2000 V

Electrical endurance

800 000 s.o.

Switching operations till inspection

300 000 s.o.

Number of steps

12/23

Carrying flange shape

round

Mechanical resistance

1 200 000