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AJMRTC DB04028B12U P066 4028 Cooling Fan, DC 12V 0.66A, 40x40x28mm 4-Wire PWM Square Fan, Dual Ball Bearing High Airflow Replacement Fan for Server, Industrial Power Supply, Network Equipment
- - High airflow 40x40x28mm 4028 fan, DC 12V 0.66A rated power, ideal replacement for DB04028B12U P066
- - 4-wire PWM speed control design, real-time fan speed adjustment to match device heat load
- - Dual ball bearing structure, stable operation, long service life for continuous industrial & server use
- - Compact square frame, standard mounting hole layout for easy installation on servers and network devices
- - Brushless axial fan, great heat dissipation performance for power supply, rack and telecom equipment
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AJMRTC 4028 replacement cooling fan is engineered as a direct substitute for DB04028B12U P066. It runs at DC 12V with rated current 0.66A and adopts 4-pin 4-wire PWM signal to dynamically adjust fan speed according to temperature changes. Built with dual ball bearings, this fan delivers stable high airflow while resisting vibration and dust, supporting long-hour continuous operation in harsh environments. The 40×40×28mm square frame follows standard mounting dimensions for simple installation. Widely applied in rack servers, industrial power supplies, network switches, inverters and other compact heat-critical hardware to effectively lower internal temperature and prevent overheating damage.
- Model: DB04028B12U P066
- Brand: AJMRTC
- Size: 40 x 40 x 28 mm (4028)
- Rated Voltage: DC 12V
- Rated Current: 0.66A
- Connector: 4-Wire PWM
- Bearing Type: Dual Ball Bearing
- Fan Type: Brushless Axial Cooling Fan
- Application: Server, Industrial Power Supply, Network Equipment, Inverter
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
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