What is the difference between slip-ring and squirrel-cage crane motors?

Slip-ring motors (MTF, MTH) provide smooth starting and speed regulation for heavy loads. Squirrel-cage motors (MTKF, MTKH) are more durable and simpler, ideal for mechanisms not requiring complex speed control.

Which duty cycles are MTH and MTF series designed for?

They are designed for the S3 intermittent periodic duty cycle, featuring Class F or H insulation to handle high temperatures and frequent reversals in metallurgical plants.

What configurations of crane motors does Ekvives supply?

Ekvives offers motors with conical or cylindrical shafts, foot-mounted designs, and both wound (slip-ring) or squirrel-cage rotors for various industrial cranes.

Does Ekvives provide a warranty for crane-duty motors?

Yes, we provide an official 12-month warranty, technical consulting, and expedited delivery for all MTH and MTF series motors.

Crane-metalurgical electric motors

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ІМ 1001

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ІМ1001

1001

Краново-металургійні електродвигуни MTH з фазним ротором

Краново-металургійні електродвигуни MTKH з короткозамкненим ротором

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MTKN MTKF 225L6 crane electric motor 55 kW 1000 rpm with short-circuited rotor ІМ 1003

Electric Motor type: Crane and metallurgical; Power, kW: 55; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 1000; Mounting version: ІМ 1003; Power factor: 0,84

Price:

Made to order

МТН MTF 225L6 crane electric motor 55 kW 1000 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 55; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 1000; Mounting version: ІМ 1003; Power factor: 0,88

DescriptionMTN MTF 225L6 crane electric motor is reliable and efficient equipment for use in crane p..

Price:

67 500.00 ₴

99 574.00 ₴

МТН MTF 280S8 crane electric motor 55 KW 750 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 55; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 750; Mounting version: ІМ 1003; Power factor: 0,80

DescriptionThe MTN MTF 280S8 crane electric motor with phase rotor IM 1003 is a powerful and reliabl..

Price:

Made to order

МТН MTF 400S10 crane electric motor 110 KW 600 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 110; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 600; Mounting version: ІМ 1003; Power factor: 0,79

DescriptionMTN MTF 400S10 is a crane motor with a phase rotor IM 1003, which is characterized by hig..

Price:

Made to order

МТН MTF 280L6 crane electric motor 110 kW 1000 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 110; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 1000; Mounting version: ІМ 1003; Power factor: 0,84

DescriptionMTN MTF 280L6 is a crane motor with a phase rotor IM 1003. It has high power and reliabil..

Price:

Made to order

МТН MTF 711-10 crane electric motor 110 kW 600 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 110; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 600 ; Mounting version: ІМ 1003; Power factor: 0,79

DescriptionThe MTF 711-10 crane electric motor with phase rotor IM 1003 is a powerful and reliable e..

Price:

Made to order

MTKN MTKF 200LA6 crane electric motor 22 kW 1000 rpm with short-circuited rotor ІМ 1003

Electric Motor type: Crane and metallurgical; Power, kW: 22; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 1000; Mounting version: ІМ 1003; Power factor: 0,85

Price:

Made to order

MTKN MTKF 412-8 crane electric motor 22 kW 750 rpm with short-circuited rotor ІМ 1003

Electric Motor type: crane and metallurgical; Power, kW: 22; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 750; Mounting version: ІМ 1003; Power factor: 0,8

Price:

64 076.00 ₴

80 326.00 ₴

МТН MTF 411-6 crane electric motor 22 kW 1000 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 22; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 1000 ; Mounting version: ІМ 1003; Power factor: 0,82

DescriptionMTN MTF 411-6 crane electric motor with phase rotor IM 1003 is a powerful and reliable el..

Price:

Made to order

МТН MTF 200LB8 crane electric motor 22 kW 750 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 22; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 750; Mounting version: ІМ 1003; Power factor: 0,76

Product DescriptionMTN MTF 200LB8 is a crane motor with a phase rotor IM 1003, which operates at a p..

Price:

Made to order

MTKN MTKF 200LB8 crane electric motor 22 kW 750 rpm with short-circuited rotor ІМ 1003

Electric Motor type: Crane and metallurgical; Power, kW: 22; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 750 ; Mounting version: ІМ 1003; Power factor: 0,8

Price:

65 687.00 ₴

81 182.00 ₴

МТН MTF 200LA6 crane electric motor 22 kW 1000 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 22; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 1000 ; Mounting version: ІМ 1003; Power factor: 0,8

DescriptionMTN MTF 200LA6 crane electric motor with phase rotor IM 1003 is a reliable and powerful e..

Price:

Made to order

MTKN MTKF 411-6 crane electric motor 22 kW 1000 rpm with short-circuited rotor ІМ 1003

Electric Motor type: crane and metallurgical; Power, kW: 22; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 1000; Mounting version: ІМ 1003; Power factor: 0,85

Price:

Made to order

МТН MTF 412-8 crane electric motor 22 KW 750 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 22; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 750 ; Mounting version: ІМ 1003; Power factor: 0,79

DescriptionThe MTF 412-8 crane motor is a powerful and reliable device designed specifically for use..

Price:

Made to order

FAQ: MTH & MTF Crane Duty Motors

Motors with a slip-ring rotor (MTF, MTH series) are designed for smooth speed control and high starting torque, which is essential for lifting heavy loads. Motors with a squirrel-cage rotor (MTKF, MTKH) are simpler in construction, more reliable for maintenance-free operation, and used where step-less start-up regulation is not required.

Crane and metallurgical motors are specifically engineered for the intermittent periodic duty cycle (S3) with frequent starts, braking, and reversals. They feature high-class thermal insulation (Class F or H), allowing them to withstand significant overloads in harsh metallurgical shop environments.

Our catalog includes various power ratings and mounting configurations: foot-mounted (IM1001) with single or double shaft extensions (conical or cylindrical). We offer both slip-ring models for complex control systems and squirrel-cage versions for standard crane mechanisms.

Yes, all MTH and MTF metallurgical motors come with an official 12-month warranty. Ekvives performs a pre-sale inspection of every unit, provides full technical support, and ensures fast logistics across Ukraine and international regions.

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Crane-metalurgical electric motors

FAQ: MTH & MTF Crane Duty Motors