How to know if the fan is dying?

Listen for clicking/grinding, check RPM drops via software, or power off and flick the blade; wobble or stiffness indicates worn bearings.

Does more blades mean better performance?

More blades increase static pressure but may be louder; fewer blades increase airflow and reduce noise. 7-9 blades is a typical balance.

30X30X7mm High Static Pressure DC Centrifugal Blower for Robot Cooling

Name: 30X30X7mm High Static Pressure DC Centrifugal Blower for Robot Cooling
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2155005452

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

US$2.20

500-4,999 Pieces

US$1.50

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.

3007

Type

DC Blower 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

High Static Pressure Design: 30x30x7mm DC centrifugal blower optimized for efficient heat dissipation in compact spaces.

Wide Voltage Tolerance: Operates reliably within a 5V-13V range, ensuring compatibility with various power sources.

Multiple Bearing Options: Available in sleeve, hydraulic, and double-ball bearings for different noise and lifespan needs.

Full Customization Support: OEM/ODM services available with customization from samples, designs, or full specifications.

Multi-Scenario Application: Suitable for UAVs, VR headsets, notebooks, and industrial equipment cooling.

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

Compact & Portable: Ultra-thin 7mm profile designed for integration into miniature electronic devices.

Long Expected Life: Double-ball bearings offer 5-10 years lifespan, suitable for 24/7 continuous operation.

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: ≤3.34h

AI-Powered supplier vetting

SummaryThe supplier provides extensive customization options and has a strong research and development capability, including ODM services and new product development. However, they lack overseas warehouse and showroom capabilities, and do not have overseas agents or participate in trade shows. Their financial data is up-to-date and they hold an ISO9001:2015 certification. Despite having quality assurance processes, the manufacturing capacity seems limited with only two production lines and no ongoing volume reconciliation or outsourcing SOPs.

CertificationsHolds an ISO9001:2015 certificate, indicating compliance with quality management standards.

After-Sales capabilityHas clear procedures and records for handling customer complaints and implementing corrective actions.

Financial creditFinancial data is current, with information available up to the last three years, demonstrating financial stability.

R&D capabilityStrong R&D capabilities with evidence of new product development, though lacking in audit documentation.

Production capacityLimited production capability with only two production lines, and lacks ongoing volume reconciliation and outsourcing SOPs.

Customization capabilityOffers full customization services from samples and designs, with a comprehensive design service capability.

Client casesProvides OEM services for well-known brands, suggesting a history of working with reputable companies.

Product Q&A

Q:How to reduce fan noise?

Check mounting screws for vibration, clean dust buildup, lower RPM via BIOS, or use rubber grommets and low-noise adapters.

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

3-pin uses DC voltage control for fixed/stepped speeds, while 4-pin uses PWM for auto speed control, offering quieter and more precise 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), 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 tolerance (5V-13V). It may not start below ~7V but will spin at 5V, though not at full speed.

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