EC refers to Electronically Commutated, integrating both AC and DC voltages to harness the advantages of each; the motor operates using DC voltage while being powered by a standard AC source.
The EC fan is more windy than the AC fan, more energy efficient, and can work in the 70V - 270V voltage range, such as work under on 110V, 115,120V, 220V, 240V ,the fan speed are the same.
Good for cool xboxs playtations, rokus, TVs receivers, mondems routers, dvrs, computers and other audio video electronics.
Dual-ball bearings have a lifespan of 67,000 hours and allows the fans to be laid flat or stand upright
80 x 80 x 25 mm ( 3.14 x 3.14 x 1 in. ) / 120 x 120 x 25 mm (4.72 x 4.72 x 1 in)| Rated Voltage :90V to 270V |