Description
The Jiulong 145FZY2-S is a heavy-duty AC axial cooling fan engineered for rigorous thermal management in industrial welding machines, CNC chassis, and electrical control cabinets. Utilizing original engineering principles, this 220V cooling unit delivers high-velocity airflow to prevent thermal degradation of critical power components such as IGBT modules, rectifiers, and high-frequency transformers.
Technical Specifications
Brand: Jiulong
Model Number: 145FZY2-S
Form Factor Code: 17040
Operating Voltage: 220V AC
Frequency: 50/60 Hz
Power Consumption: 35W
Nominal Current: 0.16A
Rotational Speed: 2600 ± 10% RPM
Maximum Airflow: 5.5 m³/min
Acoustic Noise Level: 50 dB(A)
Physical Dimensions: 170 x 150 x 40 mm
Mounting Hole Distance: Ø 162 mm
Motor Architecture: Single-phase shaded pole asynchronous motor (2-pole)
Bearing System: Industrial-grade bearing (S-type configuration)
Frame Material: Die-cast Aluminum Alloy with anti-corrosion finish
Impeller Material: Flame-retardant thermoplastic (UL94V-0)
Operating Temperature Range: -10°C to +65°C
Dielectric Strength: 1500V AC for 1 minute
Insulation Resistance: >500 Megohms at 500V DC
Weight: 0.85 kg
Industrial Application & Technical Compatibility
The 145FZY2-S is purpose-built for high-amperage inverter welding equipment (TIG/MIG/MMA) and densely populated automation chassis. In these harsh environments, rapid heat dissipation is critical to maintaining operational stability and preventing thermal throttling. The aerodynamic impeller design maximizes static pressure, effectively forcing ambient air through restrictive cabinet vents and dense aluminum heat sinks. Its exact 17040 dimension profile ensures seamless technical compatibility for direct drop-in replacement, minimizing equipment downtime during critical manufacturing cycles.
Procurement & Lifecycle Value
Sourced directly to guarantee original engineering integrity, this axial fan offers an extended operational lifecycle even in dust-prone, high-temperature manufacturing facilities. We provide a streamlined procurement process with an optimized lead time to support both urgent maintenance schedules and large-scale OEM assembly lines.









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