IW-520P
	    Operation unit for 20 room substation        
	
    
	        
	    	Description
	
	
    
- Capacity: up to 20 lines.
 - Incorporates:
 - – Power supply.
 - Application:
 - – Secondary low impedance and independent call
 - – Measures: 540 x 540 x 170 mm.
 


