In industrial applications, motor durability is as critical a factor as performance; especially in motors operating under heavy-duty conditions, the frame structure directly affects motor life and operating reliability. As an electric motor manufacturer, HEM Motor offers all electric motors from 0.55 kW to 355 kW with cast iron frames; the cast iron frame option is available as standard on all motors in the IE3 Premium and IE4 Super Premium efficiency classes, delivered quickly from stock.

Cast Iron Frame Electric Motors

Technical Specifications

  • Efficiency classes: IE3 Premium and IE4 Super Premium — cast iron frame option standard on all motors
  • Power range: 0.55 kW – 355 kW
  • Speed options: 1000 / 1500 / 3000 rpm
  • Mounting types: Foot-mounted (B3), flange-mounted (B5) and combined (B35)
  • Frame material: Cast iron
  • Protection class: IP55 — resistant to external factors
  • Insulation class: F — resistant to high temperatures
  • Standard: Manufactured in accordance with IEC standards

Why a Cast Iron Frame?

Motors with cast iron frames are far more durable and longer-lasting than motors with aluminium frames. Their main advantages:

  • High mechanical strength: Does not deform under impact and heavy load
  • Vibration damping: Provides more stable and balanced operation
  • Long service life: No performance loss even under harsh conditions
  • Heavy-duty suitability: Ideal for industrial use

Key Features

  • The motor frame absorbs vibration; fewer balance problems occur
  • Bearing and mechanical component life is extended; the failure risk of connected equipment is reduced — a major advantage especially in crushing-screening plants, compressors and fan applications
  • Operates without problems in dusty, humid and heavy environments
  • No performance loss even under heavy load
  • IE3 / IE4 solutions offering durability and energy efficiency at the same time

Application Areas

  • Crushing and screening plants
  • Compressor systems
  • Industrial fans
  • Pump systems
  • Conveyor lines
  • Heavy industry machinery

Motor Selection

When selecting a motor, not only power and efficiency but also the frame structure is a critical factor. Cast iron frame electric motors are the right choice for all industrial applications requiring high durability, with long service life, high strength and stable performance. HEM Motor offers cast iron frame quality as standard across its entire product range.

Stock and Ordering

As an electric motor manufacturer, HEM Motor offers IE3 and IE4 cast iron frame electric motors with a best price guarantee and a strong stock structure; all models are shipped quickly from stock. For pricing and quotations, call us at +90 (532) 345 49 86 or reach us via our contact page.