CATALOGUE

Installing an EdM transformer
EdM cast resin transformers can be installed easily and
quickly.
Since no additional construction or building activities
are necessary, the installation safety can be ensured by
following a few simple steps:
Standard execution: indoor installation, in dry / clean
environments, protected from direct sun radiations,
with no possibility of water going in
Sea level altitude no higher than 1000m (for higher
heights, contact EdM)
Room temperature with transformer in operation (for
higher values, contact EdM):
• T minimum: – 25°C
• T maximum: + 40°C
With a Standard execution, the transformers are
designed in accordance with the IEC Standards
60076-11 for the following room air temperatures:
• 40°C at all times
• 30°C as a monthly average in the warmest month
• 20°C as a yearly average
In order to protect the transformers from external
environment impacts and people from the risk of
having direct contacts, a set of standard boxes is
available with different degrees of protection:
IP21-IP31-IP23.
114 EdM - CAST RESIN TRANSFORMERS