3. STORAGE
The switchgear must be protected from the rain,
and the humidity conditions should be as follows:
The mean relative humidity value, measured over a
period of 24 hours, must not exceed 95%.
The mean water steam pressure value, measured
in a period of 24 hours, must not exceed 2.2 kPa.
The mean relative humidity value, measured over a
period of one month, must not exceed 90%.
The mean water steam pressure value, measured
in a period of 1.8 hours, must not exceed 1.8 kPa.
During transport, vibrations caused by external
factors or seismic movements must be insignicant.
Ambient air temperature should not exceed 40 ºC
and its mean value, measured in a period of 24 hours,
should not exceed 35 ºC.
The ambient air temperature should not drop
below - 5 ºC. There are also cubicles with storage
temperature up to - 40 ºC.
The switchgear must be protected from direct solar
radiation.
Maximum altitude is 2000 m.
The environmental air must not have any signicant
contamination from dust, smoke, corrosive and/or
inammable gases, vapours or salt.
Any other conditions must be notied beforehand, since the equipment must be factory adjusted to the
atmospheric pressure at the nal destination or during transport.
Otherwise, the manometer needle may indicate an incorrect value, even if the equipment’s internal gas pressure
is correct.
Storage must always be INDOORS, with the following conditions recommended:
If it needs to be stored, the equipment must be placed on dry ground or on top of damp-proof insulating material,
still in its original packaging.
After prolonged storage, clean all the insulating parts carefully before commissioning the equipment. The
enclosure should be cleaned with a clean, dry lint-free cloth.
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Ulusoy URING12-24 - LLF - SF Insulated Compact RMU Switchgear with Fuse User Manual May 2020 www.eaton.com 3
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