Chapter 9 Specification MS300 (High Speed Model)
9-8
9-4 Derating of Ambient Temperature and Altitude
Derating of Ambient Temperature
At rated current the ambient temperature is -10°C ~ + 50°C.
Over 50°C the rated current has to be decreased 2.5 % / °C up to 60°C.
At rated current the ambient temperature is -10°C ~ + 40°C.
Over 40°C the rated current has to be decreased 2.5 % / °C up to 60°C.
Ambient Temperature Derating of IP20 / UL Open Type
Ambient Temperature Derating of IP40 / NEMA 1 / UL Type 1
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