Direct current (DC) motors are more efficient than their AC counterparts, but the greatest drawbacks of brushed DC motors are the brushes and commutator, which wear each other down and eventually cause motor failure. With the development of greater microprocessor power in the 1970s and 80s, the stage was set for an even more efficient type of DC motor — the Electronically Commutated Motor (ECM). Discover the advantages that ECM's offer for Biosafety Cabinets. | 
