Two-Speed Motors
Emtaş two-speed pole-changing motors: frame 90–355, pole combinations from 4/2 to 16/6, IP55/IP65, class F/H insulation.
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- Brand
- Emtaş
- Product group
- Electric Motors
Emtaş two-speed motors are pole-changing induction motors that let a single motor run at two fixed speeds. They are built in frame sizes 90 to 355 with pole combinations of 4/2, 6/4, 8/4, 12/4, 12/6, 16/2, 16/4 and 16/6.
They have cast iron housings and end shields, spheroidal graphite iron feet and class F/H insulation; protection is IP55 up to frame 280 and IP65 from frame 315. The output available at each speed depends on the type, so please state the power you need at both speeds when requesting a quote.
Applications
- Two-speed fans and extractors
- Lifting and handling systems
- Mixers
- Machines requiring two operating speeds
Custom manufacturing options
- Other voltages and frequencies, operation with speed controllers
- Other mounting arrangements
- Other cooling methods and forced cooling
- S2 – S10 duty types
- Thermistors and motor protection relay (standard above frame 250)
Technical specifications
- Frame size
- 90 – 355
- Pole combinations
- 4/2, 6/4, 8/4, 12/4, 12/6, 16/2, 16/4, 16/6
- Voltage / frequency
- 380 V / 50 Hz
- Degree of protection
- IP55 (up to frame 280), IP65 (frame 315 and above)
- Insulation class
- F / H
- Cooling method
- IC 411
- Duty type
- S1
- Mounting
- B3
- Housing material
- Cast iron housing and end shields, spheroidal graphite iron feet
- Ambient temperature
- 40 °C
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