92mm Explosion Proof Exhaust Fan / 3.7 INCH 12V DC 3 Blade PWM / PC Ventilation Fans

Item

Specification

Test Condition

1

 Rated Voltage

 12V ±10%

 DC power supply

2

 Rated Current

 0.18Amp (Typical)±10%

 DC power supply at Rated Voltage

4

 Rated Power

2.16W

At Rated Voltage.

5

 Starting Voltage

6V (Max.)

DC power supply

7

 Speed

 3350RPM  ±10%

Measured at 5 minutes

after starting under 25±5℃, 65±5%RH ambient

8

 Acoustical Noise

34 dB

Measured at typical speed with an acoustic microphone 1 meter away from the fan intake in a test chamber with  background noise level  below 18dB(A)

9

 Static Pressure

0.19  IN H2O

Refer to PERFORMANCE CHART ITEM 9 at zero airflow.

10

 Air Flow

44.0CFM

Refer to PERFORMANCE CHART ITEM 9 at zero static Pressure.

11

 Direction of rotation

Counter-anticlockwise

DC power supply, viewed from impeller.

12

Waterproof grade

IP55

Impeller

                                  PBT  

Frame

     PBT  

Bobbin

                               PBT UL94-V0

Lead Wire  

 +:Red     RD:Yellow

 –:Blue 

                          24

UL 1007  AWG26

                          28

 Dimensions

 L * W * H =92*92*32mm

 Weight

130 grams

 Standard operating temperature  range  

 -40 ℃ ~ 70 ℃

 Standard storage temperature

 -40 ℃ ~  70 ℃

Bearing system

Ball Bearing      (NMB)

Item

Specification

Test Condition

1

Locked Rotor Test

Flameproof and damage free

Rotor locked for 72 hrs with Rated Voltage

2

Reverse Voltage  Test Protection

Yes

Reverse with Rated Voltage

3

Balance Test

No protruding beyond the circle within 10 seconds

The fan runs in a circle, scaled by

fan radius plus 10mm

4

Drop Test

All specified characteristics remain unchanged

Drop D.U.T.(The standard packing) from the test machine at 76cm below. Individual one angle,

5

Vibration Test

All specified characteristics remain unchanged

Ambient temp.:-40~10 ºC with Rated Voltage

Amplitude:0.4-2.5 mm

Acceleration:14.7 S/m²

Frequency:10HZ-60HZ

Sweeping period:1 min

   10HZ-60HZ:30 seconds

   60HZ-10HZ:30 seconds

Total:10 cycles

6

High/Low Temperature Cycling

All specified characteristics remain unchanged

20 minutes slew rate +10ºC (1 hr)

,–40 ºC (1 hr)

Total:36 cycles with Rated Voltage

7

Low Temp. Storage

All specified characteristics remain unchanged

Tested under standard condition ;after 500hrs, -40 ºC storage, without power supply.

8

High Temp. Storage

All specified characteristics remain unchanged

Tested under standard condition ;after 500hrs, 80 ºC storage, without power supply.

9

Dielectric Strength

Max 1mA of leakage Current

Input 500V(AC) for 1 sec

between lead (+/-) and housing