Cast iron frame motors - IE2 (High Efficiency) three-phase motors. These motors exceed the IE2 efficiency levels specified in the IEC 60034-30 and the requirements of the EuP-Directive 2005/32/EC. Thermisters fitted as standard in frame 160 and above. IP55 protection as standard (up to IP66 on request). Cast Iron - B3 - Foot Mounted - 4 Pole - 1500rpm - AC 3 Phase