N428A 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, Totally enclosed, non-ventilated 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