Editorial Technical Reference

Ventilation Fan

This page explains how Ventilation Fan is classified within Electrical Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A fan component designed to circulate air and dissipate heat within a control system cabinet.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Ventilation Fan

Definition
A ventilation fan is an essential component of a control system cabinet that actively moves air to regulate internal temperature, prevent overheating of sensitive electronic components, and remove dust or contaminants. It ensures optimal operating conditions for control systems by maintaining proper airflow and thermal management. This product is a component used in electrical equipment manufacturing, specifically for cabinet cooling. It is available with plastic or aluminum alloy construction, and typical parameters include airflow from 50 to 200 m³/h, static pressure from 20 to 80 Pa, speed from 1500 to 3000 rpm, noise level from 30 to 50 dB(A), voltage of 24 V DC ±10%, power consumption from 5 to 20 W, operating temperature from -20 to 60 °C, ingress protection rating of IP54 to IP55, ball bearing type, service life from 40000 to 60000 hours at 40 °C ambient, weight from 0.5 to 1.5 kg, and frame size of 120×120×38 mm. These values are reference ranges and must be verified for the specific model and application. Standards such as ISO 5801, ISO 3744, IEC 60068-2-1, and IEC 60529 are mentioned as verification references, not as proof of certification. The fan operates by converting electrical energy into mechanical rotation of blades, creating airflow that facilitates heat transfer. It is used in control cabinets to maintain stable operating temperatures. When selecting a fan, consider cabinet size, required airflow, static pressure, noise constraints, and environmental conditions. Verify model-specific values and standards with the legal manufacturer or supplier before procurement.
Working Principle
The ventilation fan operates by converting electrical energy into mechanical rotation of fan blades, creating airflow through the cabinet. This airflow facilitates heat transfer from internal components to the external environment, preventing thermal buildup and maintaining stable operating temperatures. The fan draws cooler ambient air into the cabinet and expels warmer air, or it may be mounted to exhaust hot air directly. The rotation speed, blade design, and housing shape determine the airflow and static pressure characteristics. The fan must overcome resistance from filters and internal obstructions. Proper installation ensures that airflow paths are unobstructed and that the fan operates within its specified voltage and temperature range. Over time, dust accumulation or bearing wear can reduce performance, so regular maintenance is required.
Common Materials
Plastic, Aluminum alloy
Technical Parameters
ParameterTypical rangeNotes & selection driver
Airflow50–200 m³/hHigher airflow for larger cabinetsISO 5801
Static Pressure20–80 PaOvercome filter resistanceISO 5801
Speed1500–3000 rpmHigher speed increases airflow and noise
Noise Level30–50 dB(A)Lower noise for office environmentsISO 3744
Voltage24 ±10% V DCStandard control cabinet voltage
Power Consumption5–20 WLower power for energy efficiency
Operating Temperature-20–60 °CExtended range for outdoor cabinetsIEC 60068-2-1
Ingress ProtectionIP54–IP55IP55 for dusty environmentsIEC 60529
Bearing TypeBallBall bearings for longer life
Service Life40000–60000 hAt 40°C ambient
Weight0.5–1.5 kgAffects mounting requirements
Frame Size120×120×38 mmCommon size for cabinet fans

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Fan Blade Part
    Creates airflow through rotational motion
    Material: Plastic
  • Motor
    Provides rotational power to drive the fan blades
    Material: Copper windings, steel casing
  • Mounting Bracket Part
    Secures the fan to the cabinet structure
    Material: Steel
  • Fan Housing
    Shrouds the blade and shapes the flow path; it is one of the three things that set the fan curve.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 0.1 bar
flow rate: Up to 150 CFM
temperature: -20°C to +70°C
power rating: 12-48 VDC, 5-30 W
Media Compatibility
✓ Clean dry air ✓ Inert gases ✓ Non-corrosive industrial atmospheres
Unsuitable: High moisture or corrosive chemical environments
Sizing Data Required
  • Cabinet internal volume (m³)
  • Required air changes per hour (ACH)
  • Maximum allowable cabinet temperature rise (°C)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing failure
Cause: Inadequate lubrication, contamination ingress, misalignment, or excessive vibration leading to wear, overheating, or seizure.
Blade imbalance or fatigue
Cause: Material degradation from corrosion, fouling buildup, or foreign object damage causing stress concentrations, resonance, or aerodynamic inefficiency.
Maintenance Indicators
  • Unusual or increasing vibration levels accompanied by audible knocking or grinding noises
  • Excessive motor amperage draw or overheating detected via thermal imaging or temperature sensors
Engineering Tips
  • Implement a condition-based monitoring program using vibration analysis, thermography, and motor current signature analysis to detect early degradation.
  • Establish a preventive maintenance schedule for bearing lubrication, blade cleaning, and alignment checks, using manufacturer-recommended lubricants and procedures.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 5801:2017 - Industrial fans - Performance testing using standardized airways ANSI/AMCA 210 - Laboratory Methods of Testing Fans for Certified Aerodynamic Performance Rating DIN EN 13141-2:2010 - Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 2: Exhaust and supply air terminal devices

Quoted from the published standard.

Manufacturing Precision
  • Impeller Balance: G 6.3 per ISO 1940-1
  • Housing Flatness: +/- 1.5mm per meter
Quality Inspection
  • Noise Level Testing per ISO 3744
  • Electrical Safety Testing (Insulation Resistance, Ground Continuity)

Manufacturers of Ventilation Fan

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

WANNENG Ventilation
Beijing, CN
Also makes: Centrifugal Fan, Fan / Blower, Storage Tank and 4 more
Listed on the company's own website · profile compiled by CNFX from public sources
ZENGO Airandus
Ningbo, Zhejiang, CN
Also makes: Centrifugal Fan, Flexible Duct, Access Doors and 8 more
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

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Frequently Asked Questions

What is the typical airflow range for this ventilation fan?

The reference airflow range is 50 to 200 m³/h, as listed in the directory. However, the actual airflow depends on the specific model and operating conditions. Always verify the airflow rating with the manufacturer for your application.

What voltage does this fan require?

The reference voltage is 24 V DC with a tolerance of ±10%. Ensure that your power supply matches this voltage and can provide the required current. Confirm the exact voltage and power requirements with the supplier.

What is the ingress protection rating?

The reference ingress protection rating is IP54 to IP55, according to IEC 60529. This indicates protection against dust and water jets. For dusty environments, IP55 is recommended. Verify the actual rating for the specific model.

How long is the service life of this fan?

The reference service life is 40000 to 60000 hours at 40 °C ambient temperature, with ball bearings. Actual life may vary depending on operating conditions and maintenance. Check the manufacturer's specifications for the expected life.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
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