Washdown Super-Es are available in TENV and TEFC enclosures from 1-20 hp in NEMA frames 56 C to 256 TC. All-stainless models are offered in TENV/TEFC enclosures from 1-7.5 hp in NEMA frames 56 C to 213 TC. External surfaces sport Type 300 stainless steel. Inverter Spike Resistant magnet wire makes motors 100x more resistant to transient voltage spikes, high frequencies, and short-rise time pulses commonly produced by inverters.