EFB1748VHG New Delta 17251/48V

EFB1748VHG New Delta 17251/48V

$17.86

SKU: 680294745077 Brand:

Description

The Delta Electronics EFB1748VHG is a high-performance, industrial-grade DC axial flow cooling fan engineered for mission-critical thermal management. Designed with a full circular 17251 form factor, this original engineering component delivers exceptional airflow and static pressure, making it an indispensable asset for heavy-duty electronic enclosures and power conversion systems.

Technical Specifications
Manufacturer: Delta Electronics
Model Number: EFB1748VHG
Fan Architecture: DC Axial Flow
Dimensions: Ø 172mm x 51mm
Rated Voltage: 48V DC
Operating Voltage Range: 28.0V to 56.0V DC
Rated Current: 0.61A
Input Power: 29.28W
Rated Speed: 4000 RPM ± 10%
Maximum Airflow: 300.0 CFM (8.50 m³/min)
Acoustic Noise: 61.0 dB(A)
Bearing System: High-Precision Dual Ball Bearing
Frame Material: Die-cast Aluminum
Impeller Material: Thermoplastic PBT (UL94V-0)
Termination: Wire Leads
Weight: 800g
Operating Temperature: -10°C to +70°C
Life Expectancy: 70,000 hours at 40°C

Industrial Application & Technical Compatibility
The EFB1748VHG is specifically engineered for high-density thermal environments. Its robust die-cast aluminum frame and high-RPM dual ball bearing system ensure continuous operation in demanding industrial scenarios. This fan is highly recommended for integration into large-scale frequency inverters, telecommunication base stations, CNC machinery control cabinets, and enterprise-grade server racks. The 48V DC power requirement aligns perfectly with standard telecom and industrial power buses, ensuring seamless technical compatibility and stable cooling performance under fluctuating electrical loads.

Lifecycle & Procurement Value
Procuring this brand new, authentic Delta component guarantees strict adherence to original engineering specifications. Utilizing genuine OEM cooling fans prevents catastrophic thermal throttling and extends the operational lifespan of expensive inverter modules. With an optimized supply chain, we ensure a minimized lead time for this critical spare part, allowing facility managers and maintenance engineers to execute rapid replacements and maintain uninterrupted production cycles.

EFB1748VHG New Delta 17251/48V

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Fans Maintenance and upkeep

1. The use environment should always be kept clean and tidy, the surface of the fan should be kept clean, there should be no sundries in the inlet and outlet air outlets, and the dust and other sundries in the fan and pipes should be cleaned regularly;

2. The fan can only operate under the condition that it is completely normal, and at the same time, it is necessary to ensure that the capacity of the power supply facilities is sufficient and the voltage is stable.

3. During the operation of the fan, if it is found that the fan has abnormal sound, the motor is seriously heated, the shell is live, the switch trips, and cannot be started, it should be stopped immediately for inspection. In order to ensure safety, maintenance is not allowed during the operation of the fan, and a test run should be carried out for about five minutes after the overhaul to confirm that there is no abnormal phenomenon before starting the operation;

4. The fan should be stored in a dry environment to avoid moisture on the motor. When the fan is stored in the open air, there should be defensive measures. In the process of storage and handling, the fan should be prevented from bumping to avoid damage to the fan.

FAQ

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