Metric dimensioned, AC motors meeting North American performance standards, including 1.15 service factor and premium efficiencies. For replacement use on machine tools, textile machinery and other equipment with metric dimensions but requiring the heavy duty torque and performance characteristics of motors designed for use in North America. IP55 weatherproof enclosures, 60/50 Hz interchangeability (60 Hz 230/460 VAC and 50 Hz 200/400 VAC), dual stamped nameplates, CE mark, and F3 conduit box location. Kits are available for field conversion from B3 to B3/B5 or B3/B14. Motors are available in one of two frame constructions: aluminum or cast iron. Aluminum frame models are designated with a 192000 series catalog number; cast iron models are 193000 series.