Products and services

Primary Distribution Switchgear

The Electroalfa primary distribution switchgear are designed for 7.2; 12; 24 kV rated voltages and rated currents up to 4000 A.

The equipment comply with the technical standards of the companies providing power generation, transport and distribution nationwide as Transelectrica (the national electricity transmission operator), CEZ Group, E.ON AG, Electrica S.A.(regional electricity operators).

Technical data
Rated voltage Ur 12kV 24kV
Rated current Ir maximum 4000A maximum 2500A
Rated short-time withstand current Ik maximum 50kA maximum 25kA
Rated peak withstand current Ip 125kA 63kA
Resistence to frontal and side electric arc maximum 50kA maximum 25kA

Technical data extended text: Medium voltage switchgears for primary distribution (.pdf)

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