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IEC-Короткозамкнутуе электродвигатели - новая версия 1LE1

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Increasing energy costs have resulted in greater emphasis on the power consumption of drive systems. It is extremely important to utilize the full potential for minimization here to secure competitiveness today and in the future. This is the reason that already today, Siemens is developing a new generation of low-voltage motors. Innovative copper rotors create the best requisites for motors with high efficiencies. The new motors for EFF1 (High Efficiency) offer considerable energy savings and protect our environment. The table shows an overview of the technical features of these motors. The presently available product range with ordering data, technical data and detailed explanations are provided in the new Catalog News D 81.1 N “Low-Voltage Motors – IEC Squirrel-Cage Motors – New Generation 1LE1 – Frame Size 100 to 160” and on the Internet under:
http://www.siemens.com/motors

 

EC Squirrel-Cage Motors – new generation 1LE1

Versions

Self-cooled energy-saving motors with:

  • Improved efficiency (EFF2)
  • High efficiency (EFF1)

Self-cooled motors with increased output and:

  • Improved efficiency (EFF2)
  • High efficiency (EFF1)

Forced-air-cooled motors without external fan and fan cover with:

  • Improved efficiency (EFF2)
  • High efficiency (EFF1)

Rated power

0.75 ... 22 kW

Frame sizes

100 L … 160 L

Type of construction

Without flange:
IM B3, IM B6, IM B7, IM B8, IM V5 without protective cover, IM V6, IM V5 with protective cover

With flange:
IM B5, IM V1 without protective cover, IM V1 with protective cover, IM V3, IM B35

With standard flange:
IM B14, IM V19, IM V18 without protective cover, IM V18 with protective cover, IM B34

Speed

750 ... 3000 rpm

Rated torque

9.9 ... 150 Nm

Rated voltages

All commonly used voltages

Designation

EU/CEMEP efficiency classification: EFF1: 2-, 4-pole, EFF2: 2-, 4-pole

US Energy Policy Act EPACT: 2-, 4-, 6-pole (available soon)

Degree of protection

IP55 as standard

Housing

Aluminum

Cooling type

Self-cooled: Frame size 100 L … 160 L (IC 411),

Forced-air cooled: Frame size 100 L … 160 L (IC 416)

Temperature class

Temperature class 155 (F), utilized to temperature class 130 (B)

Approvals

CE

Examples, IEC squirrel-cage motors – new generation 1LE1, aluminum housing