PECM Issue 53 2021 | Page 19

Plug Fans with Generation 3 EC Motor

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The E Series range of Plug Fans produce significant increases in energy efficiency and a major reduction in operating noise in high flow and low-medium pressure applications . Available on short lead times , in multiple single & 3 phase EC variants .
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Modular EC Plug Fans ( GKHM )
Compact , efficient and optimally designed , the GKHM range of EC modular plug fans feature a lightweight ( 1.22kg / m2 ) black UV stabilised , long fibre reinforced polypropylene impeller , therefore reducing the mass of inertia and start up resistance to a minimum . Designed with computer fluid dynamics , the profiled blades and diffuser wheel produces less vibration while significantly reducing noise levels .
Generation 3 EC Motor *
The Generation 3 EC motor from Rosenberg is 30 % more powerful than the previous generation . As standard , the motors input voltage range is 200-480 VAC ( 50 / 60Hz ) and offers additional upgrades such as an integrated inspection LED to visualise the motors condition , improved ModBus RTU functionality , electronic quick change technology ( EQC ), IT network support . The maximum electrical input power is 4.7kW . * Featured on 3 phase fans only .
The E Wheel is geared for maximum performance and efficiency . The optimised inlet conditions reduce the motor interaction with the airflow path , resulting in an increased airflow and pressure .”
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