ZT DF5020L24-EF70AF 24VDC 3.12W 50x50x20mm Cooling Fan

Description

ZT DF5020L24-EF70AF 50 x 50 x 20 mm 24 VDC 3.12 W is a high-performance axial cooling fan designed for precision thermal management. The unit features a PBT thermoplastic housing and a seven-blade impeller, both rated to UL 94V-0 standards for flame retardancy. It incorporates a dual ball bearing system to ensure rotational stability and extended service life under continuous duty cycles. The internal brushless DC motor includes an auto-restart function and is interfaced via a 3-wire lead configuration for power and tachometer signal feedback.

DF5020L24-EF70AF Specifications
Model: DF5020L24-EF70AF
Brand: ZT (Shenzhen Zhongtai)
Category: DC Axial Fan
Dimensions: 50 x 50 x 20 mm
Rated Voltage: 24 VDC
Operating Voltage: 14.0 to 27.6 VDC
Rated Current: 0.13 A
Input Power: 3.12 W
Rated Speed: 4500 RPM
Maximum Airflow: 12.5 CFM
Static Pressure: 2.8 mmH2O
Noise Level: 30.0 dBA
Bearing Type: Dual Ball Bearing
Frame Material: PBT Plastic (UL 94V-0)
Impeller Material: PBT Plastic (UL 94V-0)
Operating Temperature: -10 to +70 °C
Storage Temperature: -40 to +80 °C
Life Expectancy: 50,000 hours at 25 °C
Lead Wire: 3-wire (Red/Black/Yellow)
Safety Certifications: UL, CE, TUV, RoHS

DF5020L24-EF70AF Applications
Primary applications include integration into industrial power supply units, server rack enclosures, and CNC machine control cabinets. Deployed within telecommunications base stations and medical diagnostic equipment for localized thermal management of high-density electronic components.

Additional information