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Table 2 – Examples of the provision of pollution degree environments
* V/ q5 ~5 g+ ?, H) Q5 h. KReduction of Pollution Degree 3 to Pollution Degree 2
; ?1 t1 l, ~8 v) [) X5 kControl of the Pollution Degree 3 environment to Pollution Degree 2 can be
* U# w1 e0 ^+ m+ f% U4 P) M0 Eaccomplished by either: * |( E0 T* [4 X) h9 E2 E
– providing continuous energization of the enclosed equipment; or 2 P% O# w+ k- P+ A
– providing separate climate conditioning which prevents condensation
! I% H/ ~# T1 w+ r/ U7 {9 awithin the OUTDOOR EQUIPMENT or OUTDOOR ENCLOSURE; or
+ y. ?8 t4 R7 f* e% q- {0 @– the use of an ENCLOSURE meeting IP54. |
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