Chapter 9 Specification ME300
9-8
9-6 Derating for Ambient Temperature and Altitude
Derating for Ambient Temperature
At the rated current the ambient temperature is -10
– +50°C.
Over 50°C, decrease the rated current 2.5%/°C up to 60°C.
At the rated current the ambient temperature is -10
– +40°C.
Over 40°C, decrease the rated current 2.5%/°C up to 60°C.
Ambient Temperature Derating for IP20 / UL Open Type
Ambient Temperature Derating for NEMA 1 / UL Type 1