NVF5 Series User Manual    Chapter 2 Product Overview 
An optional Top Protective Cover may be selected to realize IP 22 protection level.The Top 
Protective Cover consists of two parts:Protective Cover and Bracket.You can refer to the figure 2-6-3 
to install(  a  Installing Bracket ;b  InstallingProtective Cover),Apperance after being installed  
shown as Figure 2-6-4 
 
Figure 2-6-3    Installing Bracket and Proctive Cover diagram 
 
Figure 2-6-4 Apperance after being installed 
   
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