AD12012XB257BZ0 ADDA 12V 0.41A 120mm DC Axial Fan

Description

The ADDA AD12012XB257BZ0 is a high-performance industrial DC Axial Fan with dimensions of 120 x 120 x 25 mm. Driven by a precision Brushless DC Motor, this 12012 series model is engineered as a high-velocity cooling solution operating on a nominal 12 VDC. It delivers a reliable airflow performance driven by a rated current of 0.41 A and a power input of 4.92 W. Featuring a 7-blade aerodynamic design, it is optimized to provide balanced airflow and static pressure to overcome internal resistance in dense industrial enclosures. This model utilizes a premium dual-ball bearing system for extended service life and stable operation in demanding environments. Equipped with a three-wire termination, the AD12012XB257BZ0 includes an integrated tacho signal output for real-time speed monitoring, providing essential thermal management for industrial inverters, power modules, and automation control cabinets.

AD12012XB257BZ0 Fan Parameters
Manufacturer: ADDA
Model Number: AD12012XB257BZ0
Motor Design: Brushless DC Motor
Type: DC Axial Fan (Inverter Cooling Series)
Dimensions: 120 x 120 x 25 mm
Impeller Size: 114 mm
Nominal Voltage: 12 VDC
Operating Voltage Range: 10.8 to 13.2 VDC
Starting Voltage: 7.0 VDC
Speed: 2800 RPM
Power Input: 4.92 W
Rated Current: 0.41 A
Max. Airflow: 92.5 CFM (157.2 m³/h)
Max. Static Pressure: 58.0 Pa (0.23 inAq)
Noise Level: 41.8 dB(A)
Weight: 210 g
Termination: 3 Wire Leads (Red: +, Black: -, Yellow: Tacho)
Lead Wire Length: 300 mm (24 AWG)
Bearing Type: Dual Ball Bearing
Housing Material: Plastic (UL 94V-0 PBT)
Impeller Material: Plastic (UL 94V-0 PBT)
Number of Blades: 7
Direction of Rotation: Clockwise (viewed toward rotor)
Direction of Airflow: Struts Side Out (Exhaust)
Degree of Protection: IP20
Insulation Class: A
Dielectric Strength: 500 VAC / 1 min
Insulation Resistance: 10M Ω or over with a DC500V Megger
Operating Temp. Range: -10 °C to +70 °C
Storage Temp. Range: -40 °C to +70 °C
Life Expectancy (L10) at 40 °C: 70,000 h
Signal Output: Tacho signal (FG)
Safety Protections: Auto-restart, Polarity protection, Locked-rotor protection
Approvals: CE, UL, TUV, CSA

Application
The AD12012XB257BZ0 is primarily utilized as a high-reliability inverter cooling fan, where it is responsible for the critical thermal regulation of IGBT power modules and heat sinks. Its 7-blade design is specifically engineered to provide a balanced pressure-to-airflow ratio, effectively driving air through the dense internal structures and dust filters typical of industrial frequency inverters. Beyond its core role in power conversion, this fan is deployed in industrial automation controllers, telecommunications base stations, and high-performance power supply units. The integrated tacho signal allows the inverter’s control logic to perform real-time health monitoring, ensuring that the fan maintains consistent cooling performance to prevent system thermal shutdown or component failure in 24/7 industrial production environments.