... brand new compressors, featuring built-in safety protection, low noise, low electricity consumption, and long service life.2. Schneider electric ... startingcapacity control(%)100-75-50-25condensortypefinned copper tube+low noise outer rotor fancooling air flow(m3/h ... inch)4safety protectioncompressor over temperature, unit overload, high and low pressure, flow switch, phase sequence, phase-missing, ...