Siemens Simotics standard motors now in highest efficiency class

The IE4 motors are from the Simotics GP and Simotics SD series and offer up to 14 percent higher efficiency than the IE1 portfolio, enabling users to achieve significant energy savings, as well as reduce associated operation and maintenance costs.

Designed to DIN EN 50347 Standard, the IE4 can easily replace existing IE1, IE2 or IE3 motors. For example, Simotics low voltage IE4 motors are suitable for use in pump, fan and compressor applications, as well as many more industrial applications.

Based on the 1LE1 platform, the highly-efficient IE4 motors are available in aluminium housings (Simotics General Purpose), with a range from 2.2 to 18kW, as well as cast-iron housing (Simotics Severe Duty) offering a range of 2.2 to 200kW, with two and four-pole versions available.

The motors can be operated directly on-line or converter fed, which also results in greater flexibility, particularly in retrofit projects. Since the standard output and shaft height assignment have been retained for the IE4 version, they are easily retrofitted.

Simotics motors are suitable for use in all industries, but particularly in the chemicals, oil and gas, water/wastewater, mining and heating, ventilation and air conditioning sectors. The motors’ asynchronous design constitutes a reliable technology for pump, fan and compressor applications.