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5.5KW Hollow Shaft Electric Motor with Three Phase and IP55 Protection for Industrial Applications

  • 5.5KW Hollow Shaft Electric Motor with Three Phase and IP55 Protection for Industrial Applications
Place of Origin CHINA
Brand Name ZOZHI
Certification CE
Model Number HS112M2-4
Minimum Order Quantity 10
Price 168usd/pcs
Packaging Details CTNS+pallet
Delivery Time 14days
Payment Terms T/T
Supply Ability 10000pcs/30days
Product Details
Current 1.5A Phase 3 Phase
Impeller Brass Impeller Medium Tempreture 5-50℃
Voltage 280/415V Pump Type Centrifugal
Type Asynchronous Motor Color Customer Specifications
Funtion Massage, For Bathtub Pressure High Pressure
Model HS112M2-4 Oem Yes
Housing Aluminum Power 5.5kw/7.5HP
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5.5KW Hollow Shaft Motor

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Three Phase Hollow Shaft Electric Motor

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IP55 Protection Hollow Shaft Induction Motor
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Product Description
Hollow Shaft Electrical Motor 5.5KW, 7.5 Hp, 1450 RPM, Three Phase, 415v, 50Hz
Hollow Shaft Motor for High Pressure Washer Systems | 5.5kw 220V/380V Hollow Shaft Electric Washing Machine Motor
Why Direct-Coupled Hollow Shaft Motors Are Increasingly Used in Pressure Pump Systems
Limitations of Traditional Coupling Structures
Traditional coupling structures are still widely used in industrial pressure pump systems and high-pressure cleaning equipment. However, as equipment design continues moving toward compact layouts and continuous-duty operation, conventional motor-pump connection methods are showing more operational limitations.
  • Complicated motor alignment
  • Coupling wear
  • Larger installation footprint
  • Vibration during long operating cycles
  • Maintenance-intensive assembly structures
In Southeast Asian markets, industrial cleaning equipment often operates in:
  • Humid environments
  • Commercial vehicle washing stations
  • Continuous-duty factory workshops
  • Outdoor cleaning systems
These conditions can increase the impact of vibration, moisture exposure, and maintenance requirements.
Why Hollow Shaft Motors Fit Direct-Drive Pump Systems
A hollow shaft induction motor is designed to support direct-drive pump integration between the motor and pressure pump assembly.
Compared with traditional coupling systems, the hollow shaft structure helps:
  • Reduce additional connection components
  • Simplify motor alignment
  • Optimize installation space
  • Simplify assembly procedures
  • Reduce long-term maintenance adjustments
This structure is increasingly used in:
  • Pressure washer systems
  • Booster pump units
  • Industrial cleaning machines
  • Compact pump assemblies
  • OEM cleaning equipment
For equipment manufacturers requiring compact layouts, direct-drive configurations are often more suitable for modular equipment design.
How Key Specifications Affect Operational Stability
In industrial motor selection, long-term reliability is usually influenced by:
  • Protection rating
  • Insulation class
  • Motor structure
  • Cooling configuration
  • Continuous-duty compatibility
The HS112M2-4 hollow shaft motor features:
• 7.5HP / 5.5kW output
• 4-pole induction motor structure
• IP55 protection
• Class F insulation
• Aluminum housing
The IP55 protection structure helps reduce the impact of dust and water splashing in industrial cleaning environments. Meanwhile, Class F insulation supports stable operation during extended-duty cycles and higher thermal loads. For Southeast Asian industrial applications, these practical specifications are often more important than generalized "high-performance" claims.
Typical Industrial Applications
This hollow shaft electric motor is commonly used in:
  • Industrial pressure washer systems
  • Commercial cleaning equipment
  • Booster pump assemblies
  • Vehicle washing equipment
  • Compact fluid transfer systems
  • OEM pump drive machinery
In integrated pressure cleaning systems, direct-drive structures can also help simplify maintenance access and reduce coupling adjustment requirements.
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hollow shaft hydraulic motor

hollow shaft electric motor

three phase asynchronous motor