Installation Category; Environment - GE MiCOM P40 Agile Technical Manual

P44x/EN SS/H11
(SS) - 8
6.3

Installation category

IEC 60255-27: 2005
EN 60255-27: 2005
6.4

Environment

The equipment is intended for indoor installation and use only. If it is required for use in an
outdoor environment then it must be mounted in a specific cabinet of housing which will
enable it to meet the requirements of IEC 60529 with the classification of degree of
protection IP54 (dust and splashing water protected).
Pollution Degree - Pollution Degree 2 Compliance is demonstrated by reference to safety
Altitude - Operation up to 2000m standards.
IEC 60255-27:2005
EN 60255-27: 2005
Installation category III (Overvoltage Category III):
Distribution level, fixed installation.
Equipment in this category is qualification tested at
5 kV peak, 1.2/50 µs, 500 , 0.5 J, between all
supply circuits and earth and also between
independent circuits.
Safety Section