... standard of ISO9001:2000, CCC, CE, ROHS and so on. “Quality first, Credit preferential” is the motto, the company has won ... IEC standards, which has out standing goodness, such as high efficiency, energy-saving, high starting torque, low noise, little vibration, reliable operation ... .Protection type: IP44Insulation class BRated voltage: 220VRated frequency: 50 Hz YL series single phase electric motor