- Moisture resistant ISRŪ (Inverter Spike Resistant) 200°C magnet wire
- Sealed ball bearings with moisture resistant grease
- Contact lip seals on shaft extensions
- Neoprene gaskets
- Special processed cast endplates
- 300 Series stainless steel motor frame, base, shaft and hardware
- No exterior paint
- Food processing, packaging and outdoor applications. Severe environments where motors are "washed" on a regular basis.