Ambient Temperature: The temperature of the surrounding cooling medium, such as gas or liquid, which comes into contact with the heated parts of the motor. The cooling medium is usually the air surrounding the motor. The standard NEMA rating for ambient temperature is not to exceed 40fC.

 

Related Words

Ambient Temperature: The temperature of the surrounding cooling medium, such as gas or liquid, which comes into contact with the heated parts of the motor. The cooling medium is usually the air surrounding the m . . . View Full Definition

Temperature: The measure of molecular motion or the degree of heat of a substance. It is measured on an arbitrary scale from absolute zero, where the molecules theoretically stop moving. It is also the d . . . View Full Definition

Temperature Tests: Tests conducted to determine the temperature rise of certain parts of a motor above the ambient temperature, when operating under specific conditions.

Temperature Rise: Some of the electrical energy losses inherent in motors are converted to heat causing some of the motor parts to heat up when the motor is running. The heated parts are at a higher temperatu . . . View Full Definition

National Ambient Air Quality Standards (NAAQS): National standards set by the Environmental Protection Agency under authority of the Clean Air Act: NAAQS define the maximum allowable concentrations of specified air pollutants in outdoor ( . . . View Full Definition

Absolute Temperature: Temperature measured on a scale that sets absolute zero as zero. In the SI system, the kelvin scale is used to measure absolute temperature.

Kelvin Temperature Scale: A temperature scale with the freezing point of +273°K (Kelvin) and the boiling point of +373° K. It is used primarily for scientific purposes. Also known as the Absolute Temperature Scale. P . . . View Full Definition

NEC Temperature Code (T Code): An index for describing maximum allowable 'skin' (surface) temperature of a motor under any normal or abnormal operating conditions. The 'T' codes are applicable to U.L. Iisted explosion-pro . . . View Full Definition

Fahrenheit Temperature Scale: A temperature scale where water at sea level has a freezing point of +32°F and a boiling point of +212°F. More commonly used in areas that observe the English system of measurement. Created . . . View Full Definition

Time And Temperature: Controlling factors of a chemical photographic process.