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SWITCH KEY SPST AC/DC
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
This function will evaluate a given expression (or a value) against a list of values and will return a result corresponding to the first matching value. In case there is no matching value, an optional default value will be returned.