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