ECT50 motors are high quality brushless motors with permanent magnet, 0-10vdc/PWM variable speed control, high efficiency, low noise, compact design, and integrated electronics. The motors are with protection features of over-current, over-load, inverse power connection, etc. There are options for differenct application needs of 12vdc or 24vdc or 230VAC input and different shaft extension. It's designed to perfectly replace the low efficient shaded-pole motorsty applied in extractor fans used in bathroom and kitchen.