Option Selection
‑166‑
4.3.8 Magnetic Ring and Magnetic Buckle
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 buckle in applications suffering current leakage and signal
cable interference.
● Amorphous magnetic ring: featuring a high magnetic conductivity within the
frequency band of 1 MHz and an excellent interference reduction performance, but
not as low‑cost as the magnetic buckle
● Ferrite magnetic buckle: featuring a good magnetic conductivity in frequency
bands above 1 MHz and a good signal cable interference reduction performance in
case of low‑power AC drives
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