Brochure
Dimensions
55
Amplifier
Two, M3
(37)
33.5
3.4
(9)
3.4
4.4
(37)
33.5
3.4
(9)
5.1
71.8
E3NX-FA11/FA41
21
Incident level
 (white, digital)
Threshold level
 (green, digital)
OUT1 indicator
L/D indicator
DPC indicator
ST indicator
OUT2 indicator
E3NX-FA21/FA51
OUT2 
selection indicator
OUT1 
selection indicator
104.8
(max. value
with cover open)
10
5.7
4.5
Two, 
2.4 dia.
16
170° (max. value with cover open)
147.1 (max. value with cover open)
27.8
L/D indicator
DPC indicator
ST indicator
Incident level 
(white, digital)
OUT indicator
Threshold level (green, digital)
21.7 27.1
12.7
(20.5)
20.5
(37.9)
 *
5.1
16
71.8
(29.9) 16
12.7
20.5
(9.4)
4.3
 *
Mounting Hole Dimensions
With Mounting Braket Attached
Mounted to DIN Track
E3NX-FA11
Model
4.0 
dia.
3
Outer
diameter
No. of 
conductors
Conductor cross-
section: 0.2 mm
2
Insulator dia.: 0.9 mm
Standard length: 2 m
Minimum bending 
radius: 12 mm
Others
E3NX-FA41
E3NX-FA21
4.0 
dia.
5
E3NX-FA51
*Cable Specifications
With Fiber Attachment 
(E39-F9) attached
Optical communications
PFP-_N DIN Track 
(sold separately)
Optical communications
E39-L143 Mounting Bracket
(sold separately, SUS304)
Two, 3.2 dia. 
(mounting holes)
E3NX-FA
E3X-CN11 (3 conductors)
E3X-CN21 (1 conductor)
4.0 dia.
2.6 dia.
*
 The cable diameters are as follows:
A 
*
12.95
A *
Mouting Holes
5.1
71.8
20.5
33.45
(9)
3.4
(9.4)
16
16
29.9
4.4
3.4
10.3
DPC indicator
ST indicator
27.121.7
L/D indicator
OUT indicator
Tw o ,
2.4 dia.
10
4.5
5.65
5.1
20.5
146.9
33.45
(37.9)
(9)
3.4
(20.5)
170° (max. value with cover open)
49.2
71.8
16
Two-M3
12.95
Fiber Attachment Mounted (E39-F9)
4.3
104.75
Note:
When using E39-L143 Mounting Brackets, 
there will be small gaps between the 
Amplifier Units if they are mounted side by 
side.
Incident level red digital 
display
Threshold level green 
digital display
(max. value 
with cover open)
PFP-@N DIN Track (sold 
separately)
Optical 
communications
E39-L143 Mounting Bracket 
(sold separately, SUS304)
Two, 3.2 dia. 
Holes
M8 Connector model
11.2
12.7
E3X-HD11/HD14
DIN track mounting
With Mounting Braket Attached










