Refrigeration Solution


An OEM required an air cooled 2.3kV motor that would operate with a medium voltage drive on a refrigeration compressor used for air conditioning in a hospital. Reliability, high efficiency, application knowledge and performance were key considerations in selecting the motor.


Marathon® motors are designed for use in medium and high voltage refrigeration compressors from 2.3kV to 13.8kV, with power ratings from 120kW to 3000kW/1500-2600RPM. The motors incorporate low-loss cold-rolled silicon steel sheet for high efficiency. The patented MAX GUARD® motor insulation system for use with PWM AC drives gives years of trouble free performance in the toughest of applications. The advanced cooling flow design guarantees sufficient motor cooling and efficient functionality of the various operating conditions. Each motor is end of the line tested and given a birth certificate prior to shipping.


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