N
E5CN-U
The front panel is the same for the E5CN and E5CN-U.
45
+0.6 
0  
45
+0.6 
0  
45
+0.6 
0  
60 min.
(48 × number of units − 2.5)
+1.0 
0 
Group mounting does not
allow waterproofing.
Panel Cutout
Mounted Separately Group Mounted
48 × 48
Terminal Cover
(E53-COV17)
(Accessory)
44.8 × 44.8
48.8
6
1.5
91
78
Mounting Adapter
(Accessory)
58
Waterproof 
Packing
(Accessory)
E5CN 
Terminal Models
Note: The terminal block cannot be removed.
• Recommended panel thickness is 1 to 
5 mm.
• Group mounting is not possible in the 
vertical direction. (Maintain the specified 
mounting space between Controllers.)
• To mount the Controller so that it is 
waterproof, insert the waterproof packing 
onto the Controller.
• When two or more Controllers are 
mounted, make sure that the surrounding 
temperature does not exceed the 
allowable operating temperature 
specified in the specifications.
48 × 48
6
14.2
58 44.8 × 44.8
70.5
(84.7)
Mounting Adapter
(Accessory)
45
+0.6 
0  
45
+0.6 
0  
45
+0.6 
0  
60 min.
(48 × number of units − 2.5)
+1.0 
0 
Panel Cutout
Mounted Separately Group Mounted
E5CN-U
Plug-in Models
• Recommended panel thickness is 1 to 5 
mm.
• Group mounting is not possible in the 
vertical direction. (Maintain the specified 
mounting space between Controllers.)
• When two or more Controllers are 
mounted, make sure that the surrounding 
temperature does not exceed the 
allowable operating temperature specified 
in the specifications.
(2,100)
250
1,765
USB connector (type A plug) Serial connector
LED indicator