Suction: 350g This kind of small magnet doesn't know how to use it. Its tail is a small piece of strong magnet. When it is not energized, it sucks the iron core, and the strength is not small. When it is energized (red line is connected to the positive pole, blue line is connected to the negative pole), Shielding magnetic, the iron core can move freely, and thus its function is equivalent to a miniature electromagnetic brake: power-on release, power-off brake.
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