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5BDD20GB-A Downblast Roof Fan

20" Belt Drive Downblast Roof Fan, 1.5 HP, 115/230v, 1~

Item #: 46939

• All ventilators are UL 705 Standard listed
• Durable spun aluminum construction with steel support braces
• Inlet temperatures up to 170°F
• Backward inclined aluminum fan wheel
• Equipped with a built-in bird screen to protect discharge
• Externally cooled motor compartment

Technical parameters

Nominal data
Voltage (nominal) 115 V
Rated voltage 120 to 230 V
Frequency 60 Hz
Phases 1~
Input power 1,395 W
Nominal power at shaft (P2) 1.5 hp
Input current 20.4 A
Impeller speed 1,090 rpm
Air flow max 5,126 cfm
Temperature of transported air max 170 °F
Protection/Classification
Enclosure class, motor IP23
Insulation class B
Dimensions and weights
Weight 149 lb
Optional
Motor type AC
Images Wiring - 5BDD20GB-A Downblast Roof Fan - Fantech
Images Dimensions - 5BDD20GB-A Downblast Roof Fan - Fantech
Model A B C D E

5BDD 10

19

25 3/4

22 7/8

3

1 1/2

5BDD 12

22

28

23 3/8

3

1 1/2

5BDD 13

22

29 3/4

24 5/8

3 1/4

1 1/2

5BDD 15

26

31 11/16

27 3/8

3 3/4

1 1/2

5BDD 16

26

33 11/16

27 3/4

4 3/16

1 1/2

5BDD 18

30

36

29 5/8

4 3/4

1 1/2

5BDD 20

30

38 1/4

30 1/4

5 1/4

1 1/2

5BDD 24

34

44 1/4

33

6 11/16

1 1/2

5BDD 30

42

51 7/16

37 1/2

8 13/32

1 1/2

5BDD 36

46

60

41 5/8

10 1/2

1 1/2

Dimensions are in inches.

5ACC 01MS Motor disc. switch - Fantech
Item #: 47182
5ACC 01MS Motor disc. switch

NEMA I, disconnect, 2 pole

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5ACC23RD Roof Mount Damper - Fantech
Item #: 47215
5ACC23RD Roof Mount Damper

23"x23" square damper

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5ACC28FS Fixed Non-Vented Curb - Fantech
Item #: 47221
5ACC28FS Fixed Non-Vented Curb

Fixed Curb 30" Sq Base Ventilator,8" H,25.5" Sq,28.5" Outer

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5ACC28FT Fixed Non-Vented Curb - Fantech
Item #: 47222
5ACC28FT Fixed Non-Vented Curb

Fixed Curb 30" Sq Base Ventilator,12" H,25.5" Sq,28.5" Outer

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