OLI Vibrators Standard Electric Vibrator MVE 0021 36 460, 3600RPM, 3 Phase, 60HZ, 460V, 2Pole. MANUFACTURERS PART NUMBER MVE 0021 36 460. Typical applications for the MVE-type External Electric Vibrators include: material flow aids used on bins and hoppers, power plants for screening, conveying, and feeding as well as variety of emptying, cleaning, detaching, compacting, and sorting applications.