How do I know if the fan is failing?

Listen for clicking or grinding noises, check if RPM is significantly lower than specified using monitoring software, or check for blade wobble.

Can I connect the fan to the power supply?

Yes, connecting to a PSU Molex runs the fan at 12V full speed. However, motherboard headers allow for speed control, which is preferred for 4-pin PWM fans.

What is the minimum order quantity?

The minimum order quantity is 30 sets.

30X30X7mm Durable Variable Speed Axial Flow Cooling Fan for Laboratory Equipment

Name: 30X30X7mm Durable Variable Speed Axial Flow Cooling Fan for Laboratory Equipment
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2158278692

Shanghai, ChinaFengxia Motor (Shanghai) Co., Ltd.

US$1.50

500-4,999 Pieces

US$0.90

5,000+ Pieces

Sample price:US$4.00/piece.Request sample

Product profile

Customization

Available

Material

Plastic-Iron-Copper-Magnet

Blade Material

PBT 94ulv

Model NO.

FD3007

Type

DC Axial Flow Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE

Insulation Resistance

10mωor Over with at DC250V Megger

Ielectric Withstand Voltage

AC500V1s

Ambient Temperature

-10℃~+70℃(Operating) -40℃~+70℃(Storage)

Expected Life

+40° ,30000 Hours

Transport Package

Paper Box

Specification

Customized

Trademark

FUNSHARE

Origin

China

Production Capacity

100000 Pieces/Year

Key features

Ultra-Quiet Operation: Designed for low noise with options for sleeve, hydraulic, or double-ball bearings.

Wide Voltage Tolerance: Operates reliably from 5V to 13V, suitable for various power sources.

Flexible Speed Control: Supports 3-pin DC voltage control and 4-pin PWM for precise, auto speed adjustment.

Multi-Scenario Adaptability: Compact design suitable for laptops, UAVs, medical devices, and industrial equipment.

Certified Quality Assurance: ISO9001, CE, RoHS, and FCC certified with 100% finished product inspection.

Full Customization Service: OEM/ODM available with full customization from samples or designs.

Professional Manufacturer: Established in 2016 with 4 R&D engineers and 2 production lines in Shanghai.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Fengxia Motor (Shanghai) Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.50h

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization, R&D, OEM/ODM, quality-control, and complaint-handling capabilities. It reports new products within the past year, provides customization from samples and designs through full customization, and serves known brands through OEM. Production includes two lines, inventory capability, defined inspection procedures, and four QA/QC inspectors. However, important operational limitations exist: no available SDK, no overseas agents, branches, warehouse, or showroom, no offline trade-show participation, and only one experienced export-trade employee. Manufacturing controls also show gaps, including no ongoing quantity reconciliation for each batch and no standard operating procedure for outsourced manufacturing. Financial evidence is represented only by years rather than substantive indicators, so credibility cannot be determined. The supplier holds an ISO9001:2015 certificate, but the available information does not establish broader certification coverage.

Supplier typeThe supplier operates as a manufacturer with two production lines, provides OEM and ODM services, offers inventory capability, and accepts FOB and EXW quotations. It also provides full customization, but lacks overseas agents, branches, warehouses, and showrooms.

CertificationsThe supplier reports an ISO9001:2015 certificate. No additional specific certifications are identified in the provided information.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective/preventive actions, supporting an established service-response process. However, it has no overseas agents, branches, warehouse, or showroom, which limits demonstrated overseas service infrastructure.

R&D capabilityThe supplier reports new products in the past year, provides ODM services, and assigns R&D personnel to product development, design drawings, production support, and specifications. Nevertheless, it has no available SDK and no design input, output, review, validation, or confirmation documents available for audit.

Production capacityProduction evidence includes two production lines, inventory capability, one-month average lead times in both peak and off-season periods, four QA/QC inspectors, written finished-product inspection instructions, and multiple listed production machines. Controls are weakened by the absence of ongoing batch quantity reconciliation and a standard operating procedure for outsourced manufacturing.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, and full customization, with the same capability reported under both R&D and design services. This directly demonstrates broad customization coverage.

Product Q&A

Q:How can I reduce fan noise?

Use rubber grommets instead of screws, lower voltage with an inline resistor, or adjust the BIOS fan curve to keep RPM low until temperatures rise.

Q:What is the difference between 3-pin and 4-pin fans?

3-pin fans use DC voltage control for fixed or stepped speeds. 4-pin fans use PWM for automatic, precise speed control, resulting in quieter operation.

Q:How long does the fan last?

Sleeve bearings last 2-3 years, hydraulic bearings 4-5 years, and double-ball bearings 5-10 years, depending on usage conditions.

Q:Which direction should the fan face?

Follow the arrows on the frame: intake arrows point to cool air in (front/side), and exhaust arrows point to hot air out (rear/top).

Q:Why does the fan spin at 5V if labeled 12V?

The motor has a wide voltage tolerance (5V-13V). It may not start below ~7V but can spin at lower voltages.