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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Краново-металургійні електродвигуни MTH з фазним ротором

Краново-металургійні електродвигуни MTKH з короткозамкненим ротором

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MTKN MTKF 412-6 crane electric motor 30 kW 1000 rpm with short-circuited rotor ІМ 1003

Electric Motor type: crane and metallurgical; Power, kW: 30; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 1000; Mounting version: ІМ 1003; Power factor: 0,85

Price:

66 862.00 ₴

80 326.00 ₴

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 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 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 ₴

MTKN MTKF 111-6 crane electric motor 3.5 kW 1000 rpm with short-circuited rotor ІМ 1001

Electric Motor type: Crane and metallurgical; Power, kW: 3,5; Phase: 3; Voltage, V: 380 (220, 660); Shaft diameter, mm: 35; Rotation speed, rpm: 1000; Mounting version: 1001

Price:

Made to order

MTKN MTKF 280M10 crane electric motor 60 kW 600 rpm with short-circuited rotor ІМ 1003

Electric Motor type: crane and metallurgical; Power, kW: 60 ; Phase: 3; Voltage, V: 380 (220, 660); Shaft diameter, mm: 90; Rotation speed, rpm: 600 ; Mounting version: ІМ 1003

Price:

Made to order

МТН MTF 225L8 crane electric motor 37 kW 750 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 37; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 750 ; Mounting version: ІМ 1003; Power factor: 0,76

Description:MTN MTF 225L8 is a crane motor with a phase rotor IM 1003. This motor has a power of 37 ..

Price:

113 928.00 ₴

149 616.00 ₴

MTKN MTKF 112-6 crane electric motor 5 kW 1000 rpm with short-circuited rotor ІМ 1001

Electric Motor type: Crane and metallurgical; Power, kW: 5; Phase: 3; Voltage, V: 380 (220, 660); Shaft diameter, mm: 35; Rotation speed, rpm: 1000; Mounting version: 1001

Price:

28 668.00 ₴

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 225M6 crane electric motor 37 kW 1000 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 37; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 1000; Mounting version: ІМ 1003; Power factor: 0,88

DescriptionThe MTF 225M6 crane motor is a high-efficiency equipment designed specifically for use in..

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

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

МТН MTF 225M8 crane electric motor 30 KW 750 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 30; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 750; Mounting version: ІМ 1003; Power factor: 0,74

DescriptionThe MTN MTF 225M8 crane motor is a reliable and powerful device designed for use in crane..

Price:

104 459.00 ₴

130 084.00 ₴

MTKN MTKF 200LB6 crane electric motor 30 kW 1000 rpm with short-circuited rotor ІМ 1003

Electric Motor type: Crane and metallurgical; Power, kW: 30; 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 280M10 crane electric motor 60 kW 600 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 60; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 600; Mounting version: ІМ 1003; Power factor: 0,76

DescriptionThe MTF 280M10 crane electric motor with phase rotor IM 1003 is a modern electric motor s..

Price:

Made to order

МТН MTF 280L10 crane electric motor 75 KW 600 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 75; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 600 ; Mounting version: ІМ 1003; Power factor: 0,76

DescriptionThe MTF 280L10 crane electric motor is a powerful and reliable solution for use in cranes..

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 400L8 crane electric motor 200 kW 750 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 200; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 750; Mounting version: ІМ 1003; Power factor: 0,81

DescriptionMTN MTF 400L8 is a crane motor with a phase rotor IM 1003. This motor has a power of 200 ..

Price:

Made to order

МТН MTF 280L8 crane electric motor 90 KW 750 rpm with phase rotor ІМ 1003

Electric Motor type: сrane and metallurgical; Power, kW: 90; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 750; Mounting version: ІМ 1003; Power factor: 0,82

DescriptionMTN MTF 280L8 is a high-power and reliable crane motor. It is equipped with a phase rotor..

Price:

Made to order

MTKN MTKF 200LA8 crane electric motor 15 kW 750 rpm with short-circuited rotor ІМ 1003

Electric Motor type: Crane and metallurgical; Power, kW: 15; Phase: 3; Voltage, V: 380 (220, 660); Rotation speed, rpm: 750; Mounting version: ІМ 1003; Power factor: 0,8

Price:

60 051.00 ₴

71 678.00 ₴

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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