N428 MAR

Suitable for use on VFD 10:1 Variable torque, 10:1 (TEFC) or 1000:1 (TENV) Constant Torque MAX GUARD® Class F insulation system 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power Double sealed ball bearings 303 stainless steel shaft with spring loaded contact seals in each end (Drive end only on TENV) 300 Series Stainless steel external construction: frame, endshields, conduit box, mounting base and hardware for superior corrosion resistance Internal corrosion resistant coatings on rotor and heavy polyester varnish on the stator 100% Paint-free construction One way condensation drains in each endshield and conduit box for all angle mounting Nitrile Buna - N gaskets and seals on conduit box, through bolts and endshields