Shaft: Made from high carbon steel (ie. EN-8) Terminal Box: Located at right hand side of the drive end side, sealed against ingress of moisture. Also provided with conduit entry. Earthing terminal is fitted at the box-side. High air flow external Bi-directional polypropylene fans assure low temperature rise to give an extended life of motor. Fan cowls are suitable gauge pressed steel construction, securely bolted to end shield of motor-body..