Description
The Bi-Sonic 4E-230B02 is a heavy-duty, all-metal AC axial flow cooling fan engineered for extreme thermal management in industrial enclosures. Manufactured in Taiwan, this 120x120x38mm unit guarantees Original Engineering quality and is designed to maintain optimal operating temperatures within high-density chassis and control cabinets. With a robust metal impeller and frame, it ensures Technical Compatibility with legacy and modern machinery requiring continuous, high-temperature resistant ventilation. We offer competitive Lead Time for bulk and replacement orders.
Technical Specifications
Manufacturer: Bi-Sonic
Model Number: 4E-230B02
Fan Type: AC Axial Flow Cooling Fan
Dimensions: 120 x 120 x 38 mm
Rated Voltage: 220V – 240V AC
Frequency: 50/60 Hz
Bearing System: High-Temperature Dual Ball Bearing
Airflow Capacity: 2.54 – 3.02 m³/min
Speed: 2600 – 3000 RPM
Noise Level: 42 – 46 dB(A)
Mounting Hole: Ø 4.3mm ± 0.2mm
Weight: 0.55 kg
Material and Environmental Profile
Frame Material: Die-cast Aluminum Alloy
Impeller Material: Stamped Steel / Metal Alloy
Operating Temperature: -30°C to +85°C
Motor Protection: Impedance Protected
Insulation Resistance: 100 Megohms minimum at 500V DC
Dielectric Strength: 1500V AC for 1 minute
Industrial Application
The 4E-230B02 is specifically deployed in harsh industrial environments where standard plastic fans fail. Its all-metal construction makes it the definitive choice for CNC machine control cabinets, welding equipment, server chassis, and high-temperature industrial ovens. The metal leaf design prevents deformation under extreme heat, ensuring uninterrupted airflow and protecting critical electronic components from thermal degradation.








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