Aluminium frame casting of LM6 alloy, light weight and strong in designPainted with epoxy for dust and all weather conditions giving a high quality finishTerminal box, epoxy coated with Ceramic terminals and non-compressible cable glandsLow loss magnetic core with windings of Class H, insulation class FStress resistant shaft of Ni-Cr alloy steelSKF Bearings for Long and trouble free maintenanceAdjustable speed with use of variable voltage frequency driveIP 55 Ingress protection, suitable for dusty environment, Ip66 also available on request