Features

› Dimensions: 120 x 120 x 38mm

› Rated voltages: 12VDC, 24VDC

› Special variant: 48VDC (on request)

› Several rotation speeds per model

› Blockage protection with automatic

restart

› Reverse polarity and overvoltage

protection

› Optional: Lock sensor output (alarm

is triggered if fan is blocked)

› RoHS-compliant

Diagram

105±0.5

119±0.5

38.4±0.5

105±0.5

119±0.5

Air flow

300 min

100

80

60

40

20

0

1.0

2.0

3.0

Low

Air flow (m3/min)

Standard

Middle

Materials used

Specifications

Frame: Plastic

Fan blades: Plastic

Bearings: Ball bearings

Lead wires: Cables UL1061 and AWG26

Operating voltage:

At 12V: 6–13.8V; at 24V: 10–27.6V

Ambient temperature:

-10°C to +60°C

Ambient humidity:

Max. 95% (RH)

Temperature rise:

Coil: max. 50°C; surface: max. 20°C

Breakdown voltage:

500V AC for 1min (between lead wires and frame)

Insulation resistance:

Min. 10MΩ (at 500V DC)

Lead wire tensile strength:

9.8N at 15s

Vibration resistance:

10 to 55Hz; amplitude 0.75mm; applied for 10min in 3 directions

Fan blockage:

No coil burnout after 72-hour blockage at nominal voltage

Reverse polarity protection:

No damage after brief reverse polarity connection at nominal voltage

Lifetime:

50,000 hours

ASFN1*B Series

120 x 120 x 38mm

Without lock sen-

sor

With lock sensor

V DC

W

mA

rpm

m³/min

Pa

dB(A)

kg

ASFN14B71

ASFN14B91

12

4.20

350

2,300

2.27

44.10

37.0

0.26

Low

ASFN14B72

ASFN14B92

24

4.80

200

Low

ASFN12B71

ASFN12B91

12

6.24

520

2,650

2.75

55.90

41.0

Middle

ASFN12B72

ASFN12B92

24

6.72

280

Middle

ASFN10B71

ASFN10B91

12

8.64

720

2,950

3.07

68.10

42.5

Standard

ASFN10B72

ASFN10B92

24

9.60

400

Standard

ASFN16B71

ASFN16B91

12

10.80

900

3,200

3.34

81.40

46.5

On request

ASFN16B72

ASFN16B92

24

11.04

460

On request

Accessories

ASFN18001

Fan guard 120 x 120mm, 6 rings, UL/CSA

ASEN18001

Fan guard 120 x 120mm, 7 rings

ASEN18002

Fan cover with filter

9

SERIES ASFN - DC FANS

ASFN1*B