EC roof fan with vertical blowing output with efficiency-optimized aluminum casing and newly developed high-performance radial wheel. Case made from seawater resistant aluminum with integrated intrusion protection. Motor support plate and base plate with inlet nozzle made of galvanized steel. Base plate with threaded screws for attaching suction-side accessories (hole pattern according to DIN 24155, sheets. 3). Guards as standard on the discharge side according to DIN EN ISO 13857. High-power radial impeller with backward curved blades made of plastic. Dynamically weighted according to DIN ISO 1940-1. Energy-saving, controllable EC external rotor motor in closed design in IP 54 with highest degrees of efficiency. Ball-bearing mounted with insulation for humidity. Maintenance and radio free Integrated electronic temperature monitoring for EC motor and electronics. As standard with external terminal box, an external circuit breaker protection type IP 65 and an internal potentiometer for the adjustment of the control voltage and thus any fan speed between min. And max. speed. Infinitely variable speed control with external potentiometer or variable speed control with universal control system.
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