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Table 5–60 Dimensions of the output reactor (124–1100 A) (unit: mm)
Rated
Current
A B C D E F G
124 A 190 Max. 180 Max. 160 170 67 8 x 12 Ø8
143 A 190 Max. 180 Max. 160 170 77 8 x 12
Ø8
156 A and
170 A
190 Max. 180 Max. 160 170 77 8 x 12 Ø10
182 A 210 Max. 180 Max. 185 175 97 8 x 12
Ø10
230 A 240 220
‑
190 119 11 x 15
Ø12
280 A 240 235
‑
190 133 11 x 15
Ø12
330 A 240 240
‑
190 135 11 x 15
Ø12
400 A and
500 A
240 220
‑
190 119 11 x 15
Ø11
600 A and
680 A
240 230
‑
190 128 11 x 15
Ø11
790 A 300 218
‑
240 136 11 x 15
Ø11
910 A 300 228
‑
240 148 11 x 15
Ø11
1100 A 360 250
‑
310 144 11 x 15
Ø11
5.4.8 Magnetic Ring and Ferrite Clamp
Model
Install the magnetic ring on the input or output side of the AC drive and as close to
the AC drive as possible. Installing the magnetic ring on the input side suppresses
noise in the power supply system of the AC drive. Installing the magnetic ring on the
output side suppresses interference escaped from the AC drive to the outside and
reduces the bearing current.
Use the magnetic ring or ferrite clamp in applications suffering current leakage and
signal cable interference.
● Amorphous magnetic ring: featuring a high magnetic conductivity within
frequency band of 1 MHz and an excellent interference reduction performance, but
not as low‑cost as the ferrite clamp
● Ferrite clamp: featuring a good magnetic conductivity in frequency band above 1
MHz and a good signal cable interference reduction performance in case of low‑
power AC drives
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