Description
The KAKU KA2072-4000D24B is an ultra-high-performance 24 V industrial axial fan with dimensions of 208 x 208 x 72 mm, purpose-built to deliver elite-level thermal cooling in high-resistance airflow paths. This unit features a heavy-duty brushless DC motor capable of sustaining a 150 W power input to drive its specialized 5-blade high-velocity impeller at a consistent 4000 RPM. Engineered specifically for massive air displacement in large-scale industrial systems, it utilizes a 72 mm deep housing to provide extreme static pressure and high-volume throughput for mission-critical hardware. The mechanical design relies on precision high-durability ball bearings and a robust housing to ensure stable operation in the most demanding heavy-duty environments. Featuring a simplified 2-wire electrical interface for direct power connection, this fan is a critical component for large industrial machinery, outdoor telecommunications heat exchangers, and high-capacity power conversion systems where maximum airflow and extreme cooling capacity are mandatory.
KA2072-4000D24B Fan Parameters
Manufacturer: KAKU
Model Number: KA2072-4000D24B
Series: KA2072 High-Power Series
Industry Size Code: 20872
Type: DC Axial Fan
Bearing Type: Ball Bearing
Nominal Voltage: 24 VDC
Voltage Range: 14.0 – 27.6 VDC
Starting Voltage: 12 VDC
Dimensions: 208 x 208 x 72 mm
Weight: 1500 g
[Electrical Data]
Input Power: 150 W
Nominal Current: 6.2 A
Max. Current: 8.5 A (Peak startup current)
Nominal Speed: 4000 RPM (Tolerance ±10%)
Motor Design: Brushless DC Motor
Signal Output: None (2-Wire configuration)
Motor Protection: Locked Rotor Protection, Polarity Protection
Insulation Class: Class B
Insulation Resistance: >10M ohm at 500 VDC
Dielectric Strength: 1500 VAC for 1 minute
Termination: 2-Lead wires (UL1015, AWG 18, Red/Black)
[Performance & Acoustics]
Max. Air Flow: 916 CFM (1556.3 m³/h / 25.94 m³/min)
Max. Static Pressure: 33.78 mmH₂O (331.1 Pa / 1.33 inH₂O)
Sound Pressure Level: 80 dB(A) (Measured at 1 m)
Number of Blades: 5
Direction of Rotation: Clockwise (Viewed toward rotor)
Airflow Direction: Intake over struts (Exhaust toward label)
Mode of Operation: S1 (Continuous operation)
[Materials & Construction]
Frame Material: Die-cast Aluminum (Powder coated)
Impeller Material: Metal or Glass fiber reinforced plastic (UL94V-0)
Installation Position: Any
Degree of Protection: IP55
[Reliability & Safety Standards]
Min. Ambient Temperature: -20 °C
Max. Ambient Temperature: 70 °C
Storage Temperature: -40 °C – 80 °C
Life Expectancy (L10): 50,000 hours at 40 °C
Standard Compliance: UL, CE, RoHS
Approval Agency: UL, CUL, CE
Application
The KAKU KA2072-4000D24B axial fan is used in large industrial control cabinets, telecommunications base station heat exchangers, high-capacity UPS systems, renewable energy inverters, and heavy-duty factory automation machinery.
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