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LEIPOLE 310FLW5 industrial backward centrifugal fan, aluminum impeller, IP44 protection, IEC Grade F insulation, high airflow HVAC and cabinet ventilation unit

LEIPOLE 310FLW5 316.5x159mm Centrifugal Fan, 380V 1/3 Phase

Ø316.5x159mm heavy-duty centrifugal fan with aluminum impeller, 380V 1/3 phase power supply, 2124m³/h high airflow, IP44 protection, IEC Grade F insulation, automatic thermal protection for industrial HVAC and large enclosure ventilation.

  • Part number: 310FLW5
  • Order code: 2019.016
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Product Overview

LEIPOLE 310FLW5 is a heavy-duty high-airflow centrifugal fan from the 310FLW series. It is engineered for large-scale forced ventilation, intensive heat evacuation and stable airflow circulation for industrial HVAC systems, large power enclosures and heavy industrial equipment. Its robust structure delivers massive airflow output and stable operation under harsh industrial environmental conditions.

Core Product Features

  • Capacitor Start Induction Motor drive, with built-in automatic recovery thermal protection for motor overload safety
  • High-strength aluminum impeller, ensuring structural stability and long service life under high-speed operation
  • IP44 ingress protection rating, with wide adaptive temperature & humidity range: -40℃~+80℃, 0%~95% humidity
  • Compliant with IEC61858 Grade F insulation standard, with excellent withstand voltage performance
  • Qualified safety certification, supporting long-term unattended continuous heavy-duty industrial operation

Electrical & Operational Attributes

  • Rated power input: AC 380V, 50/60Hz, 1/3 phase
  • Input power: 128/170W, rated current: 0.40/0.47A
  • Rotational speed: 1380/1540 r/min, free-blowing airflow capacity: 35.4/39.5 m³/min (2124 m³/h)
  • Static pressure: 300/400Pa, operational noise level: 70dB
  • Unit net weight: 3800g, matched capacitance: 1.0μF/630VDB
  • Overall dimension: Ø316.5x159mm

Applicable Industries

This heavy-duty centrifugal fan meets large-scale ventilation demands across extensive industrial scenarios:
  • Industrial HVAC system and workshop air circulation ventilation
  • Large power cabinet, inverter and high-voltage equipment intensive heat dissipation
  • Industrial oven, energy storage station and large mechanical equipment airflow cooling
  • Air purification and environmental ventilation system supporting units
  • Industrial ventilation system retrofitting and large airflow fan upgrading projects
Product Attribute Value
310FLW5 Parameters
Model 310FLW5
Order Code 2019.016
Dimensions (WxH) Ø316.5x159mm
Motor Capacitor Start Induction Motor
Impeller Aluminum
Rated Voltage (V) 380
Frequency (Hz) 50/60
Phase 1/3
Input Power (W) 128/170
Current (A) 0.40/0.47
Speed (r/min) 1380/1540
Air Flow (m³/min) 35.4/39.5
Static Pressure (Pa) 300/400
Noise (dB) 70
Weight (g) 3800
Capacitance 1.0μF/630VDB
Operation temp & humidity range -40℃~+80℃ (temperature) 0%~95% (humidity)
Protection Motor Internal with automatic recovery thermal protection
Withstand Voltage AC 1,800V, 1 min at 0.5mA, 50/60 Hz
Insulation Grade design according to IEC61858 Grade F
Certification CCC
IP rating IP44

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