MUP — low-voltage oil-cooled induction motors up to 600 kW for hydraulic pump units
Country: Austria · Model: MUP
MUP is a series of low-voltage three-phase squirrel-cage induction motors of up to 600 kW for voltages up to 690 V. The stator is cooled by the oil of the hydraulic system, so no fan or separate water circuit is needed. The motors are designed for direct drive of hydraulic pumps.
- Power
- up to 600 kW
- Voltage
- up to 690 V
- IEC frame size
- 250–355
- Frame
- welded, oil-cooled stator
Technical specifications
| Power | up to 600 kW |
|---|---|
| Voltage | up to 690 V |
| IEC frame size | 250–355 |
| Frame | welded, oil-cooled stator |
| Mounting | IM B34 (IM2309) |
| Protection degree | up to IP55 |
| Insulation | class H |
| Noise | < 75 dB(A) |
| Compatibility | hydraulic pumps of leading manufacturers, etc. |
| Standards | IEC 60034, NEMA MG1 |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
The heat of the motor is carried away by the same working oil that is then cooled in the heat exchanger of the hydraulic unit. The motor turns out compact, quiet and sealed, and the noise level does not exceed 75 dB(A). The frame is welded, the IEC frame size is 250–355, and the mounting version is the special IM B34 (IM2309). The protection degree reaches IP55, and the insulation is class H. The design follows IEC 60034 or NEMA MG1 and is equipped with standard temperature and vibration sensors. The winding of round wire or formed coils with matched impregnation withstands operation from a frequency converter. The motors are compatible with pumps of leading manufacturers and leading manufacturers. They are used in hydraulic stations of casting machines and plastic presses, and also in hydraulic drives of press and forging equipment and tunnelling complexes. It is advantageous to install the series when modernising hydraulic stations where noise and heat release in the workshop must be reduced.
How to choose
The deciding parameters are the pump power, the frame size and the mounting method, because the IM B34 version is tied to a particular pump unit. Rotational speeds and efficiency classes are not given for the MUP series; they are defined for a specific motor–pump pair. If the hydraulic drive needs water cooling, consider the MKH-DP with the same IM B34 version and a power of up to 1000 kW. For other drives with frequency control there is also the MKH series with a water jacket up to 2500 kW.
Request a price and lead time
MUP — low-voltage oil-cooled induction motors up to 600 kW for hydraulic pump units. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What is the maximum power of MUP motors?
The series covers powers up to 600 kW at voltages up to 690 V. IEC frame sizes are from 250 to 355.
How is the MUP motor cooled?
The stator is cooled by the oil of the hydraulic system. No separate fan or water circuit is needed.
What are the protection degree and insulation class?
The protection degree is up to IP55, the insulation and heating class is H. The noise level is below 75 dB(A).
Which pumps are the motors compatible with?
With common hydraulic pumps, in particular from leading manufacturers and leading manufacturers. The mounting version is IM B34 (IM2309).
Can MUP be fed from a frequency converter?
Yes, the winding and impregnation are designed for such operation. The rotational speed for a particular unit is specified separately.
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Need a price, lead time or replacement?
Send us a request and we will confirm the configuration, lead time and delivery terms. We reply by email.