Electrical Enclosure Fan:Ultimate Selection Guide for Manufacturer

Q: Can I replace an AC fan with a DC fan?

Yes, but you must provide a compatible DC power supply (12/24/48V) and check mounting dimensions. EC fans are drop-in replacements for AC with better efficiency.

Q: How do I know if my enclosure needs 120mm or 172mm fan?

Calculate total heat load (Watts) and required CFM. Use 160-200 CFM per 1kW. 172mm fans deliver higher CFM and static pressure for larger cabinets.

Q: What does “PWM ready” mean?

The fan accepts a PWM control signal (usually 25kHz) to vary speed from 0-100%, allowing precise temperature-based control.

Q: How often should I replace enclosure fans?

Dual ball bearing fans typically last 50k-70k hours (6-8 years). Replace when noise increases or speed drops. Monitor via tachometer signal.

Q: Do I need a filter with my fan?

In non-cleanroom environments, YES – filters stop dust buildup on sensitive electronics. Expect 20-30% CFM reduction; oversize accordingly.

AC, DC, EC or Centrifugal? Compare CFM, IP ratings, bearing types, smart controls — find the perfect cooling fan for your industrial cabinet.

UL-Certified Fan Manufacturer: 3-Day Shipping, No Minimum Order Quantity, Custom Logos and Specifications Available

Our Electrical Enclosure Fan Product Lines

Purpose-built to remove heat from control cabinets, PLC panels, drives, and power supplies — preventing failures and extending equipment life.

AC Fan

Voltages: 110/230V AC
Energy Efficiency: Baseline
Speed Control: Complex (VFD)
Noise Level: Higher (hum)
Lifespan (hours): 40k-60k
Smart Features: None
Best For: Constant duty, low cost

DC Fan

Voltages: 12/24/48V DC
Energy Efficiency: 20-30% better than AC
Speed Control: PWM / voltage
Noise Level: Low
Lifespan (hours): 50k-70k
Smart Features: Tach, Alarm, PWM
Best For: Smart speed, battery systems

EC Fan

Voltages: 110/230V AC (integrated)
Energy Efficiency: 50-70% better than AC
Speed Control: PWM / 0-10V / RS485
Noise Level: Very low
Lifespan (hours): 50k-80k+
Smart Features: Tach, Alarm, Comms
Best For: Energy saving, IoT ready

Centrifugal Fan

Voltages: AC or DC
Energy Efficiency: Depends on motor
Speed Control: PWM / voltage
Noise Level: Moderate-high
Lifespan (hours): 50k+
Smart Features: Optional
Best For: High static pressure

Critical Role

Over 30% of electrical failures are heat-related. Enclosure fans maintain safe internal temperatures.

Industrial Durability

Designed for 24/7 continuous operation, 50,000+ hours MTBF, with IP ratings up to IP68.

Filter Compatible

Work with filter kits to block dust, oil mist, while providing steady airflow.

80-280mm

Size Range

110 V / 220 V

Voltage

–30°C ~ 80°C

Operation Temperature

50,000 hour

Service Life

Fan

Model

Size

(mm)

Voltage

(VAC)

Power

(W)

Speed

(RPM)

Airflow

(CFM)

LKA08025

80×80×25

110, 220

12/11

2500/2800

16.5/18.2

LKA08038

80×80×38

110, 220

13/12

2300/2500

47.6/56.1

LKA09225

92×92×25

110, 220

12/11

2350/2700

42.2/52.7

LKA11025

110×110×25

110, 220

12/11

2000/2200

41/45

LKA12025

120×120×25

110, 220

12/11

1800/2000

45/52.8

LKA12038-5

120×120×38

110, 220

19/18

2600/2900

77/82

LKA12038-7

120×120×38

110, 220

19/18

2500/2700

80/88

LKA13538

135×135×38

110, 220

20/18

2600/2800

86/95

LKA15051-5

150×150×51

110, 220

30/28

2700/3000

150/160

LKA15051-7

150×150×51

110, 220

32/30

2500/2600

175/185

LKA17238-M

172×150×38

220

30/29

2800/3300

184/225

LKA17251-5

172×150×51

110, 220

30/28

2700/3000

150/160

LKA17251-7

172×150×51

110, 220

32/30

2500/2600

175/185

LKA17252-M

172×172×52

220

40/39

2700/3200

233/281

LKA17255

172×162×55

110, 220

37/35

2800/3100

175/190

LKA18060

180×180×60

110, 220

42/40

2700/3000

260/290

LKA20060

202×202×60

110, 220

45/42

2600/2700

320/330

LKA20572

205×205×72

110, 220

60/80

2800/3200

630/680

LKA22060

220×60

110, 220

45/42

2600/2700

320/330

LKA22060-M

220×220×60

220

61/77

2550/2780

585/649

LKA22580

225×225×80

110, 220

55/65

2600/2800

500/545

LKA25489

254×89

110, 220

50/70

2550/2450

492/433

LKA25490

254×254×90

220

86/104

2660/3000

860/1003

LKA28080

280×280×80

110, 220

110/150

2550/2700

1015/1050

DC Fan Series

Fan

Model

Size

(mm)

Voltage

(VAC)

Power

(W)

Speed

(RPM)

Airflow

(CFM)

LK8025

80×80×25

12, 24, 48

0.96 – 3.00

2500 – 4000

26.67 – 44.05

LK8038-HP

80×80×38

12, 24, 48

2.88 – 21.60

4000 – 8000

46.54 – 102.23

LK9225

92×92×25

12, 24, 48

1.56 – 6.24

2500 – 4500

38.12 – 73.2

LK9238-HP

92×92×38

12, 24, 48

3.24 – 21.60

4000 – 7500

67.27 – 126.12

LK12025

120×120×25

12, 24, 48

1.80 – 7.20

2000 – 3500

60.23 – 105.4

LK12038

120×120×38

12, 24, 48

3.60 – 19.20

2500 – 4500

95.54 – 171.7

LK12038-HP

120×120×38

12, 24, 48

9.60 – 36.00

3500 – 5500

155.64 – 244.57

LK15050

150×150×50

12, 24, 48

13.20 – 42.24

3000 – 4500

220.94 – 311.41

LK17250

172×150×51

12, 24, 48

14.40 – 43.20

3000 – 4500

215.64 – 306.42

LK17250D

172×150×51

24, 48

156 – 245

6500 – 8000

490 – 605

LK20060

200×200×60

12, 24, 48

25.80 – 65.76

2500 – 3500

380.17 – 532.24

LK20572

205×205×72

12, 24, 48

57.6 – 120.0

2200 – 3300

531.3 – 798.3

LK22060

220×60

12, 24, 48

24.0 – 57.6

2000 – 3000

396.7 – 581.0

LK22580

225×225×80

12, 24, 48

57.6 – 120

2200 – 3300

533.5 – 806.0

LK25489

254×89

12, 24, 48

19.2 – 96

2000 – 3000

628.3 – 970.1

LK28080

280×280×80

12, 24, 48

57.6 – 168.0

2000 – 3000

790.1 – 1209.1

Fan

Model

Size

(mm)

Voltage

(VAC)

Power

(W)

Speed

(RPM)

Airflow

(CFM)

LKE6025

60×60×25

110~240

2, 4, 6

4000, 6000, 8000

14.1~28.7

LKE7025

70×70×25

110~240

2, 3, 4

2500, 3000, 3500

21.6~29.9

LKE8025

80×80×25

110~240

3, 4, 5

2400, 2800, 3200

26.3~35.2

LKE8038

80×80×38

110~240

3, 4, 6

2500, 3000, 3500

29.7~44.2

LKE9225

92×92×25

110~240

3, 5, 6

2000, 2500, 2800

30.1~42.1

LKE9238

92×92×38

110~240

4, 5, 7

2500, 3000, 3500

50.1~71.0

LKE12025

120×120×25

110~240

3, 4, 7

1800, 2200, 2600

55.6~79.6

LKE12038-7

120×120×38

110~240

6, 8, 12, 18

2500, 3000, 3500, 4000

110.7~170.6

LKE12038-5

120×120×38

110~240

6, 8, 12, 18

2500, 3000, 3500, 4000

79.3~125.0

LKE15051

150×150×51

110~240

16, 22, 35

2500, 3000, 3500

182.2~258.1

LKE17251-A

172×150×51

110~240

16, 22, 35

2500, 3000, 3500

177.4~253.9

LKE17251-B

172×51

110~240

16, 22, 35

2500, 3000, 3500

179.6~254.8

LKE20060

200×200×60

110~240

25, 45

2000, 2500

392.8~493.3

LKE20572

205×205×72

110~240

60, 95, 145

2500, 3000, 3600

602.7~851.7

LKE22060

220×60

110~240

25, 45

2000, 2500

396.6~490.8

LKE22580

225×225×80

110~240

60, 95, 145

2500, 3000, 3600

619.2~869.5

LKE25489

254×89

110/120~220/240

110, 115, 145

2000, 2500, 3200

628.3~981.6

LKE28080

280×280×80

110~240

45, 75, 145

2000, 2500, 3200

790.1~1225.7

Lowest upfront cost

AC fans are budget-friendly for simple cooling needs.

Best long-term ROI

EC fans cut energy use by up to 70% – payback < 18 months.

Quiet & precise

DC + PWM give silent operation and dynamic airflow adjustment.

Bearing Technology: Sleeve vs Dual Ball Bearing

Sleeve Bearing

15k-30k hours lifespan. Lower cost, but must be mounted vertically. Not recommended for industrial enclosures due to shorter life and temperature sensitivity.

Dual Ball Bearing

50k-70k+ hours. Superior for high temperature, any mounting orientation, extreme reliability. The only choice for critical equipment.

Smart Control: PWM, Tachometer & Alarm

Feature	Function	Benefit
PWM (Pulse Width Modulation)	Dynamic speed control via duty cycle	Energy savings 30–60%, lower noise, extended lifespan
Tachometer (FG)	Outputs speed signal	Monitor fan health and detect failures early
Alarm (RD)	Open-collector fault signal	Automatic alert when fan stops or runs under-speed
Built-in Thermostat	Self-regulated speed based on temperature	Plug-and-play energy optimization

Application-Based Fan Selection Matrix

Application	Recommended Type	Size	IP Rating	Control	Bearing
Small PLC / Junction Box	DC Axial	60–80mm	IP54	Constant or Thermostat	Dual ball
Standard Industrial Cabinet	EC Axial	120–172mm	IP55	PWM / 0–10V	Dual ball
Outdoor Telecom / Solar	EC Axial	172–200mm	IP65+	PWM + Tach	Dual ball
Food Processing / Washdown	DC Waterproof	120–172mm	IP67 / IP68	Constant or Tach	Dual ball
High Static Pressure (Dense Cabling)	Centrifugal / EC	120–172mm	IP54+	PWM	Dual ball
Corrosive Environment (Chemical)	DC with Anti-Corrosion	120–172mm	IP65+	Tach + Alarm	Dual ball

Essential Accessories for Enclosure Fans

Filter Kits

Prevent dust ingress. Choose washable or disposable media. Must match fan size and IP rating.

Finger Guards

Safety protection against rotating blades. Metal or plastic options available.

Thermostat / Hygrostat

Switch fans on/off based on temperature or humidity – ideal for energy saving.

Power Supplies

For DC fans: select power supply with 30% extra capacity, stabilized output.

Common Selection Mistakes & How to Avoid Them

Ignoring static pressure

High CFM alone fails when filters and cables block airflow. Always check P-Q curve.

Sleeve bearing horizontally

Will fail in months. Use dual ball bearing for any non-vertical mount.

No air inlet

Fan exhaust without intake creates vacuum, no cooling. Provide filtered inlet.

Oversizing without control

Noisy and wasteful. Add PWM/thermostat for speed regulation.

Certifications of Cooling Fans for Electronics

FAQ of Electrical Enclosure Fan

Can I replace an AC fan with a DC fan?

Yes, but you must provide a compatible DC power supply (12/24/48V) and check mounting dimensions. EC fans are drop-in replacements for AC with better efficiency.

How do I know if my enclosure needs 120mm or 172mm fan?

Calculate total heat load (Watts) and required CFM. Use 160-200 CFM per 1kW. 172mm fans deliver higher CFM and static pressure for larger cabinets.

What does “PWM ready” mean?

The fan accepts a PWM control signal (usually 25kHz) to vary speed from 0-100%, allowing precise temperature-based control.

How often should I replace enclosure fans?

Dual ball bearing fans typically last 50k-70k hours (6-8 years). Replace when noise increases or speed drops. Monitor via tachometer signal.

Do I need a filter with my fan?

In non-cleanroom environments, YES – filters stop dust buildup on sensitive electronics. Expect 20-30% CFM reduction; oversize accordingly.

Ready to Solve Your Cooling Challenge

Contact our engineering and sales team for specifications, pricing, or a custom solution discussion.