Low-energy motors.

Siemens Automation & Drives Group (Erlangen, Germany; siemens.de) has been able to reduce the power loss of its motors by as much as 45%. The improved energy efficiency is achieved by using a more-active copper in the windings, iron-laminate sheets with lower losses, and an improved stator geometry, says Detlef Pauly, head of business development. Compared to its predecessor 1LA6, the new motor also has an improved bearing …