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 ● Safety Capacitance Box and Ferrite Core
In some applications, connect safety capacitance box and wind a ferrite core to 
remove some interference during drive running.
Connect safety capacitance box to grounding terminal of the drive, and ground cable 
length cannot exceed 300 mm.
PE R S T
Cable length 
< 300 mm
Cable length 
< 300 mm
Cxy-1-1
Safety capacitance box
Magnetic ring
(Wind three turns)
 
–
Mounting dimensions of safety capacitance box
6.5 ± 0.2
4.5 ± 0.2
45 ± 0.5
65 ± 2
72 ± 2
38 ± 2
Brown
Brown
Brown
Yellow 
green
65 ± 2
75 ± 0.5
85 ± 2
Unit: mm
Safety 
Capacitance 
Box Model
SN Overall Dimensions 
(Length x Width x Height)
Mounting Dimensions           
(Mounting Length x Mounting 
Width) (mm)
Cxy-1-1 11025018 85 x 72 x 38 45 x 75