... 3.Protection class:IP44 4.Frequency:50hz&60hz YL series single-phase dual capacitor asynchronous motor have good performance, safe and reliable operation, nice ... with low noise, little vibration, simple construction. This series motor can be used on air compressor, pumps, refrigeration, ... IC0141Shell material: casting iron, aluminium alloy YL series single-phase dual capacitor motor asynchronous