Content

1. The Overview of 8300100868 VWCE040KJDFS

2. Key Features of 8300100868 VWCE040KJDFS

3. Typical Applications

4. Available Models

5. Why Choose Us

6. Conclusion

7. FAQ

1. The Overview of 8300100868 VWCE040KJDFS

The VWCE040KJDFS is a high-performance 40mm axial cooling fan from ebm-papst’s innovative AxiForce product family, specifically engineered for applications requiring extremely high static pressure in compact form factors. While its 60mm counterparts (VWCD060WJDGS / VWCD060WHDGS) prioritize balanced airflow for medium-density systems, the VWCE040KJDFS is designed for dense electronics cooling where airflow must overcome significant resistance from heatsinks, filters, or narrow chassis passages.

This compact fan delivers 45 m³/h of free airflow (26.5 CFM) and an industry-leading 1,030 Pa static pressure (4.14 in. H₂O) at 22,000 RPM, with power consumption of just 11W. The AxiForce platform features innovative aerodynamic air channels, a new single-phase motor concept with integrated IC-based motor control, and powerful control electronics – making it ideal for thermal management in photovoltaic inverters, power conversion systems (PCS) , battery energy storage systems (BESS) , EV charging stations, and server/IT enclosures.

For customers across North America and Europe – including the United States, Canada, Germany, France, the UK, and the Netherlands – the VWCE040KJDFS solves critical cooling challenges in high-ambient-temperature environments (up to 70°C) with ball bearing construction rated for 70,000 hours L10 at 40°C. We maintain US and EU warehouse stock for fast regional delivery (2–5 business days).

Key differentiator from 60mm AxiForce models: The VWCE040KJDFS generates 1,030 Pa static pressure – over 6x higher than 60mm models (160 Pa) – making it the only choice for high-impedance applications like 1U/2U rack servers, telecom base stations, and sealed inverter enclosures with fine mesh filters.

2. Key Featuresof 8300100868 VWCE040KJDFS

2.1 Ultra-Compact Design for High-Density Electronic Systems

Modern electronic equipment continues to become smaller, more powerful, and more densely packed. As processors, power modules, and communication components generate increasing amounts of heat within limited enclosure space, thermal management solutions must deliver high cooling performance without consuming valuable installation volume.

With a compact footprint of just 40 × 40 × 28 mm (1.57" × 1.57" × 1.10"), this cooling fan is specifically engineered for applications where every millimeter matters. The small form factor enables seamless integration into 1U and 2U servers, telecom equipment, industrial control cabinets, compact power conversion systems (PCS), edge computing devices, networking hardware, and portable EV charging systems.

For equipment manufacturers, the compact design provides greater flexibility in system layout while supporting higher power densities and improved product miniaturization. This makes the fan particularly attractive for next-generation electronics where space efficiency and thermal performance must coexist.

2.2 Industry-Standard 24V DC Operation

The fan is designed around a 24V DC architecture with a wide operating voltage range of 15V to 28V. This makes it fully compatible with the most common DC power systems used throughout industrial automation, telecommunications, transportation, renewable energy, and IT infrastructure.

Compared with lower-voltage solutions, 24V systems are widely preferred in professional applications because they provide greater electrical stability, lower current requirements, and improved efficiency over longer cable runs. As a result, 24V has become the standard voltage for industrial control systems, telecom cabinets, server power supplies, and power electronics equipment worldwide.

The wide voltage tolerance further enhances operational reliability by accommodating normal voltage fluctuations, startup conditions, and power supply variations without compromising cooling performance. This flexibility allows system designers to deploy a single cooling solution across a broad range of applications and operating environments.

2.3 Exceptional Static Pressure for Restricted Airflow Environments

One of the most impressive characteristics of this fan is its extremely high static pressure capability. Delivering up to 1,030 Pa (4.14 in. H₂O), it generates pressure levels that are significantly higher than conventional compact axial fans and approximately six times greater than many standard 60mm cooling solutions.

High static pressure is critical in applications where airflow must overcome substantial resistance. Dense heatsinks, fine-mesh dust filters, compact server chassis, power electronics assemblies, and restricted ventilation pathways can dramatically reduce the effectiveness of conventional fans.

This fan is specifically optimized to maintain airflow under these challenging conditions. Rather than experiencing severe performance degradation when system resistance increases, it continues pushing air through tightly packed cooling structures where thermal loads are often highest.

For high-performance servers, industrial power supplies, telecommunications hardware, and advanced power electronics, this capability translates directly into improved heat dissipation, lower component temperatures, and enhanced operational reliability.

2.4 High Airflow Performance in a Compact 40mm Platform

Achieving high airflow from a 40mm fan is a significant engineering challenge. Despite its compact dimensions, this fan delivers airflow up to 45 m³/h (26.5 CFM), providing cooling performance that rivals significantly larger fan platforms.

This high airflow capability enables rapid heat removal from processors, power modules, converters, communication equipment, and other heat-generating components. In compact electronic systems where heat accumulation can occur quickly, maintaining sufficient airflow is essential for preserving system performance and preventing thermal throttling.

The combination of strong airflow and high static pressure creates a balanced performance profile that supports both open-air cooling and restricted airflow applications. This versatility allows the fan to perform effectively across a wide variety of installation environments without requiring extensive redesign of airflow pathways.

2.5 Ultra-High-Speed Operation for Aggressive Cooling Requirements

To achieve its exceptional cooling performance, the fan operates at speeds of up to 22,000 RPM. This ultra-high rotational speed enables the generation of both substantial airflow and industry-leading static pressure within a remarkably compact package.

Such performance is particularly valuable in applications involving high-power-density electronics, where thermal loads can change rapidly and cooling systems must respond immediately to prevent temperature spikes.

Examples include AI servers, edge computing platforms, FPGA systems, telecom base stations, industrial controllers, power conversion equipment, and advanced charging infrastructure. In these environments, aggressive cooling performance helps maintain stable operation even during periods of peak computational or electrical load.

The ability to generate substantial cooling capacity from a small fan footprint allows equipment manufacturers to design more compact products without sacrificing thermal performance.

2.6 Long-Life Ball Bearing System for Continuous Operation

Reliability is a critical consideration for mission-critical electronics that operate around the clock. To support continuous-duty applications, the fan incorporates a premium ball bearing system engineered for extended service life.

At an ambient temperature of 40°C (104°F), the fan achieves an L10 life expectancy of up to 70,000 hours. Even at elevated temperatures of 70°C (158°F), it maintains a service life of approximately 35,000 hours.

Ball bearing technology provides superior durability compared with sleeve-bearing alternatives, particularly in applications involving elevated temperatures, continuous operation, vibration, or varying mounting orientations.

For operators of data centers, telecommunications networks, industrial automation systems, and energy infrastructure, this long operational lifespan contributes to reduced maintenance costs, increased equipment uptime, and lower total cost of ownership.

2.7 Intelligent PWM Speed Control and Real-Time Monitoring

Modern cooling systems increasingly require adaptive thermal management rather than fixed-speed operation. To meet this requirement, the fan integrates advanced PWM speed control and tachometer monitoring capabilities.

Supporting PWM frequencies from 1 kHz to 25 kHz, the fan allows system controllers to dynamically adjust cooling performance based on actual thermal demand. During low-load conditions, fan speed can be reduced to minimize power consumption and acoustic output. As temperatures increase, speed can automatically rise to provide additional cooling capacity.

This intelligent approach improves overall system efficiency while helping extend bearing life and reduce operating costs.

In addition, the integrated open-collector tachometer output provides continuous speed feedback. System operators can remotely monitor fan performance, verify proper operation, and detect abnormal conditions before overheating occurs. This predictive maintenance capability is particularly valuable in mission-critical applications where system availability is essential.

2.8 Designed for Protected Indoor Environments

The fan features an IP20 protection rating and is optimized for operation in controlled indoor environments where exposure to moisture and contaminants is limited.

Typical installation locations include server rooms, telecom shelters, industrial control panels, automation equipment, medical electronics, laboratory systems, and power conversion cabinets. In these environments, the primary challenge is achieving maximum thermal performance within confined spaces rather than providing protection against extreme weather conditions.

By focusing on airflow efficiency and pressure generation rather than heavy environmental sealing, the design maximizes cooling performance while maintaining compact dimensions and energy-efficient operation.

2.9 Global Safety Certifications and EMC Compliance

For equipment manufacturers serving international markets, regulatory compliance is a critical consideration during product development. This fan is designed to support global deployment through compliance with major safety and electromagnetic compatibility standards.

The product meets UL 507 requirements for North America and complies with EN 62368 standards widely adopted throughout Europe and many international markets. These certifications demonstrate conformity with rigorous safety requirements covering electrical construction, motor protection, and operational reliability.

In addition, EMC Class B compliance helps ensure stable operation in environments containing sensitive electronic equipment. Effective electromagnetic compatibility is essential in applications such as telecommunications systems, networking hardware, industrial automation equipment, medical electronics, and high-performance computing platforms.

By combining high cooling performance with international certifications and EMC compliance, the fan simplifies product approvals while supporting reliable operation in demanding professional applications worldwide.

3. Typical Applications of the VWCE040KJDFS in High-Density Electronics and Advanced Power Systems

As electronic systems continue to evolve toward higher power density, smaller footprints, and greater processing capability, thermal management has become one of the most critical design challenges facing engineers. Modern power electronics, servers, telecommunications equipment, and energy storage systems generate significant heat within increasingly compact enclosures, often leaving little room for conventional cooling solutions.

The VWCE040KJDFS is specifically engineered to address these challenges. Combining exceptional static pressure, compact dimensions, intelligent PWM control, and long-life ball bearing technology, the VWCE040KJDFS is particularly effective in applications where airflow must overcome dense heatsinks, restrictive airflow channels, dust filters, and tightly packed electronic assemblies.

Unlike conventional compact fans that prioritize airflow alone, the VWCE040KJDFS is optimized for real-world environments where pressure capability often determines actual cooling effectiveness. As a result, it is widely deployed across renewable energy systems, battery storage platforms, electric vehicle infrastructure, telecommunications networks, industrial automation equipment, and high-performance computing applications.

3.1 Photovoltaic (PV) Solar Inverters for High-Power Density Designs

Modern solar inverter manufacturers continue to increase power output while reducing enclosure size. Advanced semiconductor technologies such as IGBTs and silicon carbide (SiC) MOSFETs enable higher conversion efficiency but also create concentrated thermal loads that must be managed effectively.

The VWCE040KJDFS is particularly well suited for compact string inverters and distributed solar power systems where cooling space is extremely limited. Its industry-leading static pressure capability enables air to penetrate deep into dense aluminum heatsinks with narrow fin spacing, maintaining effective heat transfer even when airflow resistance is high.

Over the lifespan of a solar inverter, dust accumulation on heatsinks and air passages can significantly reduce cooling performance. The VWCE040KJDFS helps mitigate this issue by maintaining strong airflow despite increased system resistance, supporting stable operating temperatures and preserving inverter efficiency throughout years of continuous operation.

Combined with intelligent PWM control, the cooling system can automatically adapt to changing solar irradiance levels, providing aggressive cooling during peak power production while reducing energy consumption during lower-load periods.

3.2 Power Conversion Systems (PCS) for Energy Storage Applications

Power Conversion Systems are among the most thermally demanding components within battery energy storage installations. These systems continuously process large amounts of electrical energy during charging, discharging, and grid-support operations, generating significant heat within compact converter enclosures.

Many modern PCS designs utilize sealed or semi-sealed cabinets incorporating labyrinth airflow paths and protective filtration systems to achieve higher environmental protection ratings. While these design features improve durability, they also create substantial airflow resistance that conventional compact fans often struggle to overcome.

The VWCE040KJDFS addresses this challenge through its exceptionally high pressure generation capability. By maintaining airflow through restrictive thermal pathways, the fan helps ensure effective cooling of power semiconductors, magnetic components, and control electronics even under heavy operating conditions.

Its PWM speed control functionality further improves overall system efficiency by matching cooling output to real-time thermal demand. This adaptive approach reduces unnecessary energy consumption during periods of lower system utilization while helping extend bearing life and minimize maintenance requirements.

3.3 Battery Energy Storage Systems (BESS) and Rack-Level Cooling

Battery thermal management plays a critical role in the safety, performance, and lifespan of lithium-ion energy storage systems. Uneven cooling can lead to temperature imbalances between cells, accelerating battery degradation and reducing overall system efficiency.

The VWCE040KJDFS is highly effective in rack-level cooling architectures where airflow must be directed through narrow channels between battery modules. These channels often generate substantial pressure drop due to their restricted geometry, making high-pressure airflow essential for achieving uniform temperature distribution.

Because of its compact dimensions, multiple VWCE040KJDFS units can be installed within battery racks to create distributed cooling networks. In larger systems, push-pull fan arrangements can be implemented to further improve airflow consistency across the entire battery assembly.

The fan's long-life ball bearing system also provides excellent resistance to vibration and continuous-duty operation, making it suitable for both stationary battery installations and mobile energy storage platforms where reliability is critical.

3.4 EV Charging Infrastructure and DC Fast Charging Systems

The rapid expansion of electric vehicle charging networks has increased demand for reliable thermal management solutions within charging equipment. High-power DC fast chargers generate substantial heat from rectifiers, power modules, communication hardware, and auxiliary power supplies that operate continuously in demanding environments.

While large cooling systems often manage the primary thermal load, many internal subsystems require localized cooling in extremely confined spaces. The compact footprint of the VWCE040KJDFS allows it to be installed within crowded electronic compartments where larger fans cannot fit.

Its high-pressure performance is particularly valuable in charger designs where cable routing, control boards, and structural components create airflow restrictions. By maintaining effective cooling around critical electronics, the VWCE040KJDFS helps improve system reliability, reduce thermal stress, and support continuous operation in high-utilization charging stations.

As charging infrastructure becomes increasingly sophisticated and power-dense, compact high-pressure cooling solutions such as the VWCE040KJDFS play an essential role in maintaining long-term equipment performance.

3.5 Servers, Edge Computing, and High-Performance IT Infrastructure

Modern data processing environments continue to push the limits of power density. Compact servers, edge computing platforms, AI accelerators, and networking equipment often generate significant heat within tightly constrained chassis designs.

The VWCE040KJDFS is particularly well suited for 1U and 2U server architectures where vertical clearance is extremely limited and airflow pathways are highly restrictive. Its compact depth enables integration within space-constrained rack systems while its exceptional static pressure capability ensures adequate airflow through dense CPU heatsinks, memory banks, and airflow guides.

In edge computing applications, equipment is frequently deployed outside traditional data centers, requiring highly reliable cooling solutions capable of operating continuously in remote environments. The integrated tachometer output enables remote monitoring of fan performance, allowing operators to identify potential cooling issues before they affect system availability.

This predictive maintenance capability helps reduce downtime, improve operational reliability, and support uninterrupted processing performance across distributed IT infrastructure.

3.6 Additional High-Pressure Cooling Applications

Beyond renewable energy and IT infrastructure, the VWCE040KJDFS is widely utilized in numerous specialized applications that require compact dimensions and exceptional pressure performance.

In telecommunications networks, the fan is commonly used in remote radio heads, outdoor communication cabinets, and network equipment where airflow must pass through fine filtration systems while maintaining reliable cooling performance.

Industrial laser systems and precision manufacturing equipment benefit from the fan's ability to dissipate concentrated thermal loads generated by power supplies and optical control electronics. Maintaining stable temperatures in these applications is essential for achieving consistent performance and operational accuracy.

Medical imaging systems, including power electronics used in CT scanners, MRI equipment, and diagnostic devices, often require compact cooling solutions capable of delivering strong airflow while supporting continuous operation. The VWCE040KJDFS provides the reliability and performance necessary for these mission-critical environments.

Test and measurement instruments also frequently incorporate the fan to manage heat generated within compact benchtop enclosures where airflow paths are highly restricted.

Additionally, high-power LED lighting systems and horticultural grow-light installations benefit from the fan's ability to maintain airflow through dust filters and densely packed driver assemblies, helping ensure stable operation in challenging industrial and agricultural environments.

By combining compact dimensions, exceptional static pressure, intelligent control features, and long-term reliability, the VWCE040KJDFS has become a preferred cooling solution for next-generation electronics, renewable energy systems, industrial automation equipment, and advanced computing platforms where thermal performance directly impacts operational success.

4. Available Models

5. Why Choose Our VWCE040KJDFS for Your US/EU Project?

ISO 9001:2015 Certified – Same quality as original ebm-papst. Full factory traceability from ebm-papst’s global manufacturing network.

US & EU Warehouse Stock

1-Year Warranty – Full replacement warranty on all VWCE040KJDFS fans.

Technical Support – Datasheets, wiring diagrams, PWM configuration guides, and thermal simulation assistance for high-pressure applications.

Bulk Pricing – Volume discounts for 10+ units (server OEMs, EV charger networks, telecom infrastructure projects).

Local Compliance – UL507 (US/Canada), CE (Europe), UKCA (UK). No re-certification needed.

High-Pressure Expertise – We understand impedance cooling. Ask us about system pressure drop analysis.

6. Conclusion

The 8300100868 VWCE040KJDFS is a purpose-built high-pressure cooling solution designed for today’s most demanding electronic and power conversion applications. Combining an ultra-compact 40mm form factor with industry-leading static pressure of up to 1,030 Pa, intelligent PWM control, and long-life ball bearing technology, the 8300100868 VWCE040KJDFS delivers reliable thermal performance where conventional compact fans fall short. Whether deployed in photovoltaic inverters, battery energy storage systems, EV charging infrastructure, telecommunications equipment, or high-density servers, it helps maintain optimal operating temperatures, improve system reliability, and extend component lifespan. For OEMs and system integrators seeking powerful cooling in restricted spaces, the 8300100868 VWCE040KJDFS offers an efficient, durable, and globally certified thermal management solution.

7.FAQ – VWCE040KJDFS

Q: What is the difference between VWCE040KJDFS and the 60mm AxiForce fans (VWCD060 series)?

A: The VWCE040KJDFS generates 1,030 Pa static pressure – over 6x higher than 60mm models (160 Pa). It is designed for high-impedance applications (dense heatsinks, fine filters, narrow 1U chassis). The 60mm series is for balanced, low-restriction cooling with lower noise (43 dB(A) vs 60 dB(A)).

Q: Is VWCE040KJDFS UL certified for use in the United States?

A: Yes. UL507 (File E38324) – Certified for use in the US and Canada. Also meets CSA C22.2 No.113.

Q: How loud is this fan at full speed?

A: 60 dB(A) at free air. This is typical for high-pressure 40mm fans at 22,000 RPM. Use PWM control to reduce speed (and noise) when full cooling is not required. At 50% PWM, noise drops significantly (~20 dB reduction).

Q: Can this fan be used outdoors?

A: No – IP20 rating is for sheltered indoor use only (control cabinets, server rooms, telecom shelters). Direct exposure to water or dust will damage the fan. For outdoor applications, see AxiForce 60/80/120 series with IP68 rating.

Q: What is the operating temperature range?

A: -20°C to +70°C (-4°F to +158°F). Storage: -40°C to +80°C (-40°F to +176°F).

Q: Does this fan support speed control via PWM?

A: Yes. PWM input frequency range: 1–25 kHz (typical 2 kHz). 0% PWM = off (standby), 100% PWM = full speed (22,000 RPM). Compatible with Arduino, Raspberry Pi, and industrial PLCs.

Q: What is the starting current?

A: Maximum starting current is ≤ 2,300 mA. Ensure your 24V power supply can handle this inrush current (typical for high-speed 40mm fans).

Q: Delivery time to California or Texas?

A: 2–3 business days from our US warehouse (Ohio). Expedited 1-day shipping available.

Q: Delivery time to Germany, France, or the UK?

A: 2–5 business days from our German warehouse (Baden-Württemberg). UK deliveries cleared for customs – no additional delays.

Q: Do you provide a datasheet with detailed dimensions?

A: Yes. Download the PDF below – includes all mechanical drawings (40x40x28 mm, 4x Ø4.3 mm mounting holes, 310 mm wire length) in both metric and imperial units.

Q: Is this fan CE marked for the European market?

A: Yes. CE declaration of conformity available. Compliant with EN 62368 (audio/video/ICT equipment safety) and EN 55032 (EMC Class B).

Q: Can I get a sample before placing a bulk order?

A: Yes. Single-unit samples available for engineering evaluation. Contact our technical sales team.

Q: What is the L10 life expectancy?

A: 70,000 hours at 40°C, 35,000 hours at 70°C, and 117,500 hours at 40°C per IPC 9591 standard.

Q: Why is the pressure rating so high (1,030 Pa)?

A: High RPM (22,000) and optimized blade geometry. This allows the fan to maintain airflow through dense heatsinks (fin pitch < 2mm), fine dust filters (G4/F5), and narrow 1U/2U server chassis where standard fans would stall.

 Request Datasheet & Quote

- Download VWCE040KJDFS Datasheet (PDF)

- Request Bulk Pricing Quote

- Contact Technical Support

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