Background
EC fans are actually a complete fan/motor assembly which includes a highly engineered fan and bell mouth matched to an Electronically Commutated (EC) motor. The EC motor is a brushless DC motor with on-board programmable speed control. The EC Fan feature can be selected as an option in Colmac A+Pro software.
Benefits
• High efficiency especially at part load/reduced speed
• Large airflow capacities (up to 910mm diameter)
• Extremely low sound levels
• Long air throw with standard built-in straightening vanes
• Plug-and-play fan/motor/bell mouth assembly
• High reliability and long life
• Corrosion resistant construction
• Ingress Protection rating of IP55