... )-Microprocessor control and alarm fault display-Weatherproofed for external site (IP54 for HL-i10~i180, IP44 for HL-i3~i8)-Coated fins to protect ... -Heavy duty fan suitable for low ambient operationIndustrial applicationsPlastic & Rubber, Chemical, Pharmaceutical, MRI machines, Food, Breweries, Printers, Engineering, Lasers, etc.Additional references ...