AC Fans

Image Part Number Description / PDF Quantity Rfq
19028331A

19028331A

Comair Rotron

FAN AXIAL 80X38MM 220VAC SU3B1

92

19027117A

19027117A

Comair Rotron

FAN AXIAL 120X38MM 115VAC WR2A1

0

19027119A

19027119A

Comair Rotron

FAN AXIAL 120X38MM 115VAC WR2H1

0

19028449A

19028449A

Comair Rotron

FAN BLWR RAD 120X40MM 230V BT3A1

0

GAA1238-115BB

GAA1238-115BB

Comair Rotron

FAN AXIAL 120X38MM 115VAC TERM

0

19028778A

19028778A

Comair Rotron

FAN AXIAL 119X39MM 115VAC WX2A1

0

19031660A

19031660A

Comair Rotron

FAN AXIAL 172X55MM 230VAC FA77B3

0

19028023A

19028023A

Comair Rotron

FAN AXIAL 120X38MM 230VAC MU3A1

0

19028448A

19028448A

Comair Rotron

FAN BLWR RAD 120X40MM 115V BT2A1

0

19028316A

19028316A

Comair Rotron

FAN AXIAL 119X39MM 115VAC MX2A3

0

19028318A

19028318A

Comair Rotron

FAN AXIAL 119X39MM 115VAC MX2A1

0

19028267A

19028267A

Comair Rotron

FAN AXIAL 80X42MM 115VAC SU2A1

0

GAA8038-115BB

GAA8038-115BB

Comair Rotron

FAN AXIAL 80X38MM 115VAC TERM

0

19028322A

19028322A

Comair Rotron

FAN AXIAL 119X39MM 115VAC WX2M1

0

19028858A

19028858A

Comair Rotron

FAN AXIAL 119X39MM 115VAC WX2H1

0

19028279A

19028279A

Comair Rotron

FAN AXIAL 80X42MM 115VAC SU2A5

0

19028280A

19028280A

Comair Rotron

FAN AXIAL 80X42MM 230VAC SU3A5

0

GAA8038-230BB

GAA8038-230BB

Comair Rotron

FAN AXIAL 80X38MM 230VAC TERM

0

19028171A

19028171A

Comair Rotron

FAN AXIAL 120X38MM 230VAC WR3A1

0

19028324A

19028324A

Comair Rotron

FAN AXIAL 119X39MM 230VAC MX3A3

0

AC Fans

1. Overview

AC fans (Alternating Current Fans) are thermal management devices powered by AC electricity, primarily used to dissipate heat in electronic and mechanical systems. Operating on standard voltages (100-240V AC), they ensure optimal performance by maintaining safe temperature thresholds. Their importance has grown exponentially with advancements in high-power electronics, data centers, and industrial automation, where efficient thermal regulation prevents system failures and extends component lifespans.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Axial FansHigh airflow, low-pressure operation, compact designComputer cooling, HVAC systems
Centrifugal FansHigh-pressure output, compact radial airflowIndustrial ovens, dust extraction systems
Tube Axial FansIntermediate pressure, direct-drive efficiencyAir conditioning units, refrigeration systems
Vane Axial FansEnhanced aerodynamic stability, adjustable bladesPower plants, large-scale ventilation

3. Structure and Components

AC fans typically consist of: - Motor: Single-phase/three-phase induction motor with capacitor start - Blade Assembly: Plastic/metal blades optimized for aerodynamic efficiency - Bearing System: Ball bearings or sleeve bearings for durability - Frame: Metal/plastic housing with mounting brackets - Control Interface: Optional speed controllers or temperature sensors

4. Key Technical Parameters

ParameterTypical RangeSignificance
Voltage100-240V ACDetermines compatibility with power systems
Current0.1-5AAffects power consumption and heat generation
RPM600-3600Directly impacts airflow and noise levels
Airflow20-500 CFMMeasures cooling capacity
Noise Level20-60 dB(A)Critical for user comfort and workplace safety
MTBF20,000-100,000 hoursIndicates operational reliability

5. Application Fields

  • IT Infrastructure: Server racks, data center cooling
  • HVAC: Commercial air conditioning systems
  • Industrial: CNC machines, welding equipment
  • Medical: MRI scanners, laboratory equipment
  • Transportation: Electric vehicle charging stations, locomotive cooling

6. Leading Manufacturers and Products

ManufacturerProduct SeriesKey Specifications
ebm-papstAC GreenTechUp to 2,000W, EC motor integration
NidecMycom AC3-phase operation, 100,000 hours MTBF
Delta ElectronicsAC Axial SeriesVariable speed control, IP55 rating
Sanyo DenkiAC San AceHigh static pressure (300Pa), RoHS compliance

7. Selection Guidelines

Key considerations include: - Voltage/frequency compatibility with local power grids - Airflow requirements vs. static pressure demands - Noise constraints for end-user environments - Operating temperature range (-40 C to +70 C typical) - Expected operational lifespan and maintenance cycles - IP rating for dust/water protection (IP54 for industrial use) - Cost vs. energy efficiency trade-offs

Application Case Study

Data Center Cooling: A 500kW server farm required cooling solutions. Implementation of 24 ebm-papst AC GreenTech axial fans with 1,200 CFM airflow each achieved ISO Class 9 cleanroom standards while reducing energy consumption by 22% compared to conventional models.

Industry Trends Analysis

Future developments include: - Increased adoption of IoT-enabled "smart" fans with predictive maintenance - Development of oil-free ceramic bearings for medical applications - Integration with liquid cooling systems in hybrid thermal management - Growth in 400Hz AC fans for aerospace electronics - Regulatory push towards IE3+ efficiency standards compliance - Use of graphene-reinforced composite blades for weight reduction

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