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What is the highest ambient temperature that the SubDrive75 will withstand and still provide full power?

April 26, 2017Ambient Highest power subdrive75 temperature withstand

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What is the highest ambient temperature that the SubDrive75 will withstand and still provide full power?

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The SubDrive75 manual indicates that “The CP Water SD75 controller is intended for indoor use and for operation in ambient temperatures up to 104 °F (40 °C)”. This specification is based on an input line Voltage to the SubDrive75 of 190 Volts (RMS). We have done further testing to determine the performance of the SubDrive75 at higher ambient temperatures with 230 Volt (RMS) input. The results of our testing indicate that the SubDrive75 should be able to provide full power in ambient temperatures as high as 125 °F (51.6 °C).