Aluminium frame casting of LM6 alloy, light weight and strong in design Painted with epoxy for dust and all weather conditions giving a high quality finish Terminal box, epoxy coated with Ceramic terminals and non-compressible cable glands Low loss magnetic core with windings of Class H, insulation class F Stress resistant shaft of Ni-Cr alloy steel SKF Bearings for Long and trouble free maintenance Adjustable speed with use of variable voltage frequency drive IP 55 Ingress protection, suitable for dusty environment, Ip66 also available on request