What is the noise level of the fan?

The noise level ranges from 20 to 30 dBA.

Does the fan have motor protection?

Yes, it features auto restart or polarity protection.

DC Brushless PWM Speed Control 40X40X20mm Axial Ventilation Cooling Fan

Name: DC Brushless PWM Speed Control 40X40X20mm Axial Ventilation Cooling Fan
Brand: Guangdong Chungfo Electronic Technology Co., Ltd.
SKU: 948302855

Guangdong, ChinaGuangdong Chungfo Electronic Technology Co., Ltd.

US$1.20-2.50

1,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Plastic

Blade Material

Plastic

Model NO.

D04020

Type

Axial Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE, CCC, TUV, Reach, SGS

Bearing Type

Sleeve or Ball

Voltage

5V/12V/24V

Speed

5000~8000rpm/Customization

Current

0.04~0.23A/Customization

Air Flow

5.08~8.02cfm/Customization

Pressure

2.1~5.1mmaq/Customization

Noise

20~30dba/Customization

Weight

24G

Color

Black

Function

Fg/PWM

Feature

Large Air Flow, Lower Noise, Long Lifetime

Lifespan

50,000 Hours

Transport Package

Standard Export Carton

Specification

40x40x20mm

Trademark

CHUNGFO/HUITONG/OEM

Origin

China

HS Code

8414599050

Production Capacity

1500, 000 PCS/Per Month

Key features

Wide Voltage Options: Available in 5V, 12V, and 24V DC for versatile application compatibility.

High Speed Performance: Speed ranges from 5000 to 8000 RPM with air flow up to 8.02 CFM.

Long Lifespan Design: Engineered for a 50,000-hour lifespan with sleeve or ball bearing options.

Low Noise Operation: Operates quietly between 20-30 dBA for minimal disturbance.

Comprehensive Certifications: Certified with RoHS, ISO, CE, CCC, UL, TUV, Reach, and SGS.

Customizable Parameters: Speed, current, air flow, pressure, and noise levels can be customized.

Robust Material Build: Frame and impeller made of PBT plastic with UL94V-0 flame retardancy.

Motor Protection Features: Includes auto restart and polarity protection for enhanced safety.

Company profile

Guangdong Chungfo Electronic Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2010-05-20Nearest Port: Yantian, Shekou, NanshaAverage Response Time: ≤1.83hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CIF, FCA

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad electronics, fan, motor, component, control-system, and related product activities, with OEM service for known brands and multiple customization modes. It holds ISO 9001 and ISO 14001 certifications, reports documented inspection, complaint-handling, supplier-management, corrective-action, quality-assurance, and traceability procedures, and operates 10 production lines with 31–40 quality-control staff. R&D evidence includes new products in the past year and ODM availability, although no SDK is available and R&D engineer experience is unspecified. The supplier exports 21%–30% of sales and has exported for four years. Overseas service infrastructure is limited because it reports no overseas warehouse, showroom, or agent/branch. Financial records are identified for 2020–2022, but the provided information does not establish financial strength or credibility. OEM service for known brands is explicitly reported, while no specific customer names or case details are provided.

CertificationsThe supplier reports holding ISO 14001 and ISO 9001 certifications. These explicitly evidence environmental-management and quality-management certifications, respectively.

After-Sales capabilityThe supplier has a documented and followed procedure for handling customer complaints, supporting after-sales responsiveness. However, it reports no overseas warehouse, showroom, or overseas agent/branch, so the evidence does not establish broad overseas service coverage.

R&D capabilityThe supplier reports new products during the past year and provides ODM services, indicating active product-development capability. However, it has no available SDK and the total experience of R&D engineers is listed as unavailable, limiting the evidence for broader innovation strength.

Production capacityThe supplier operates 10 production lines and employs 31–40 quality-control staff. It also reports quality assurance and raw-material traceability, providing explicit evidence of organized production and quality-control infrastructure.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same range is reported across both design-service entries, directly supporting a strong customization offering.

Client casesThe supplier reports providing OEM services for known brands and participating in the 2023 Spring China Electronics Show. These are relevant customer and market-exposure indicators, but no brand names, project descriptions, order examples, or independently detailed cases are provided.