Medium voltage switchgears

Medium voltage switchgears

Medium voltage switchgears

CEG MV “Metal Clad” type switchboards are line overload and short circuit protection panels for 12, 17.5 and 24kV power distribution systems in accordance with IEC 62271-200. Cubicles are equipped with vacuum or SF6 circuit breakers produced by various manufacturers.
Cubicles are designed for indoor use (on stationary premises or prefabricated substation buildings) and must be operated under normal conditions in accordance with the IEC 60694 standard.
The lower limit of operating ambient air temperature shall be not less - 20°C.
The upper limit of operating ambient air temperature shall not exceed + 40°C.
Cubicles can be used up to an altitude of 1000 m. Beyond that (altitude up to 3000 m) the decrease in the dielectric strength must be taken into account.
Seismic resistance of cubicles is up to 7 on the Richter scale and up to 9 on MSK scale (in accordance with IEC 60068-3-3).
When commissioning and operating the switchgear under normal conditions, the general electrical safety instructions, as well as operating instructions must be respected.

quadri di media tensione

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