P12x/EN IN/A96 Handling, Installation and Case Dimensions
Page 6/10 MiCOM P120/P121/P122/P123
4. UNPACKING
Care must be taken when unpacking and installing the relays so that none of the parts is
damaged or the settings altered. Relays must only be handled by skilled personnel. The
installation should be clean, dry and reasonably free from dust and excessive vibration. The
site should be well lit to facilitate inspection. Relays that have been removed from their cases
should not be left in situations where they are exposed to dust or damp. This particularly
applies to installations which are being carried out at the same time as construction work.
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