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

Arcing contacts in oil OLTCs

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RS 5 and RS 5.3 SERIES

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Unique design for special applications

Rated currents

200 - 1250 А - three phase design for delta connected windings

Rated voltage

41,5 - 72,5 kV - full insulation between phases of delta connected windings

Step voltage

up to 3000 V

Connection diagrams

with and without coarse and reverse change-over selector

Number of steps

up to 27

Selector switch insulation level

K and L

Carrying flange shape

round or elliptic

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RS 6 and RS 6.3 SERIES

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Powerful tap changer for powerful transformers

Rated currents

up to 1250 A - three phase design for regulation at 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 and M

Carrying flange shape

round or elliptic

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RS 9 and RS 9.3 SERIES

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Universal tap changer for all applications

Rated currents

200 - 630 A - three phase design for regulation at neutral point
200 - 1600 A - single phase de

Rated voltage

41,5 - 300 kV

Step voltage

up to 4000 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 or elliptic

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RS 12 SERIES

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Compact and light

Rated currents

200 and 400 А

Rated voltage

41,5 - 145 kV - for star connected windings
41,5 - 145 kV - for delta connected windings

Step voltage

up to 2500 V

Number of steps

up to 27

Carrying flange shape

round