Application planning   
5.2 Installation location 
  PN/M-Bus LINK 
20  Operating Instructions, 03/2018, A5E44260928-AA 
 
Installation location 
Selection of the installation site / installation 
You can mount PN/M-Bus LINK either on a control panel or on a standard mounting rail:  
Installation in control cabinet / device connection box 
 
The device is intended for installation in a control cabinet or in a device connection box.  
It is important to note that installation in a control cabinet or device connection box is 
essential for compliance with the UL regulations. 
The control cabinet / device connection box must satisfy the regulations regarding fire-
protection housing. 
Ensure that all cables and leads that protrude externally are equipped with adequate strain 
relief.