... 2,IEC standard 3.100% copper 4,CE & ISO & SGS Approval Y. Y2 Three Phase Electric Induction Motor1, Foot+Flange-mounted(B35 model)2 ... , Small vibration and low noise3, IP54 or 55, B or F4, ISO & CE ... Cooling Type IC0141 Connection Methods Y(≤ 4KW) or Δ (≥ 4KW) Y2 Three Phase Electric Induction Motor