2000 rpm. According to the inquiry of China Industrial Network, the coil of electric permanent magnet sucker is 2000 turns, and the electromagnetic coil of electromagnetic sucker is the core component to generate magnetic field, and the number of turns directly affects the specifications and power of sucker. Electric permanent magnet sucker refers to a sucker that relies on permanent magnet steel to generate suction force, and uses excitation coil to control the suction force of magnet steel, thus playing the role of suction switch.