MRO Magazine

Low-Voltage Motor Is Energy Efficient

The Siemens Automation and Drives division has developed a range of IEC low-voltage motors with aluminum housings. Offered in the efficiency classes EFF1 and EFF2, the 1LE1 series has a power spectrum...


December 1, 2008
By MRO Magazine

The Siemens Automation and Drives division has developed a range of IEC low-voltage motors with aluminum housings. Offered in the efficiency classes EFF1 and EFF2, the 1LE1 series has a power spectrum from 750 W to 18.5 kW and is available in frame sizes 100 to 160. The EFF1 motors achieve their high efficiency through the use of copper rotors, which means they have an extremely compact design and are especially suitable for applications with pumps and fans. The motor is easy to install and modify, while the housing architecture allows adaptation to many applications. The easy-to-access terminal box can be swivelled in 90-degree steps, and the motor feet can be flexibly mounted depending on the motor verthe sion. An encoder, brake and external fan can all be easily added. Siemens AG

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