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AC Electric Motors
AC Electric Motors

AC Electric Motors Types

EN Motors Type

We have been developing and producing for many years successfully motors suitable for use under water. These motors are mainly used for the dredging industry. We can supply submersible motors according to below mentioned specifications:

- frame size IEC 63 up to 630
- power up to 6,5MW 
- tension up to 6,6KV
- steel housing
- with lip-seal or mechanical seal
- air-filled or oil-filled
- mounting according to IEC 34-7 standard
- provided with water-detection, PTC, PT100 or anti condensation
- provided in combination with water-jacket cooling
- suitable for frequency drive
- according to NEMA
* The mounting of the motor can be manufactured according to specifications of the client.

Below please find a few examples of motors we have manufactured:
* Motortype TMUB-450L 1100 kW 1750 RPM
* Motortype TMUB-630 600 kW 325 RPM
* Motortype TMUB-500 1100 kW 1000 RPM
* Motortype WGM-355 420 kW 1000 RPM 

KN Motors Type - Product Information

Frame size 355 - 630
Power 132kW - 1800 kW
2 - 4 - 6 - 8 pole
Three phase
Voltage 3,0kV - 11kV50Hz/60Hz
TEFC (IC411)
Insulation class F (B rise)
Protection IP55
Mounting B3
PTC 150°C*
3x PT100 for temperature control windings*
2x PT100 for temperature control bearings*
AC heaters*
SKF bearings
Colour RAL 7031
* connected in separate terminal box

WEG Motors Type - Product Information

Premium efficiency cast iron frame IP55 motor complying with IE3 efficiency levels according to IEC60034-30.
Three-phase, multivoltage, IP55, TEFC
Premium efficiency - complying with IE3 efficiency levels according to IEC60034-30
Output: 0,12 up to 500kW
Number of Poles: 2, 4, 6 and 8
Frames: 63 up to 355A/B
Mounting: B3T
Voltage: 220-240/380-415V / 380-415/660V
Class “F” insulation (ΔT = 80K)
Continuous duty: S1
Design N
WISE® (WEG Insulation System Evolution) insulation system -Suitable for inverter duty applications*
Thermistors (1 per phase) for frames 160M to 355A/B
Ambient temperature: 40 °C, at 1000 m.a.s.l
Squirrel cage rotor / Aluminium die cast
V'Ring seal for frames 63 to 200L and for frames 225S/M to 355A/B
Stainless steel nameplate
Fan Covers: steel made for frames 63 to 132M/L and cast iron made for frames 160M to 355A/B
Regressing nipple for frames 225S/M to 355A/B
Metric threaded cable entries on the terminal box
Color: RAL 5009 - Blue
*For additional details about Inverter operation, please contact our technical support.
*Special Insulation for voltage above 575V