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Cooling Blowers

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Frame

180AT

210AT

250AT

280AT

320AT

360AT

400AT

500AT

500AT

-

-

Blower Size

3

3

3

4

6

6

6

8

9

10+

11

F

12.2

12.2

12.2

14.5

16.0

16.0

16.0

17.3

20.0

17.0

21.8

D

18.5

18.5

18.5

22.6

26.5

26.5

26.5

28.1

32.5

39.3

34.3

C

3.2

3.2

3.2

4.3

5.3

5.3

5.3

7.6

7.6

-

-

B

7.1

7.1

7.1

9.3

11.4

11.4

11.4

14.3

14.3

19.5

19.5

K

6.9

6.9

6.9

9.0

10.7

10.7

10.7

15.2

15.2

17.6

17.6

L

2.8

2.8

2.8

3.5

3.7

3.7

3.7

4.0

4.0

-

-

NET WEIGHT​

IN LBS.

17.0

17.0

17.0

25.0

38.0

38.0

38.0

43.0

69.0

125.0

220.0

Above sizes are general only. Applications specific.  ~  Larger sizes available

G

5.2​​​

5.2

5.2

6.4

7.2

7.2

7.2

8.0

8.0

7.2

10.2

H

6.5

6.5

6.5

8.1

10.2

10.2

10.2

10.3

10.2

15.0

15.0

M

2.4

2.4

2.4

2.7

4.2

4.2

4.2

5.7

5.7

-

-

J

5.4

5.4

5.4

7.0

8.8

8.8

8.8

12.0

12.0

-

-

All dimensions are in inches.

Our Size 10+ is a great replacement blower for the

BLACK MAX & BLUE MAX VECTOR MOTORS!!!!!

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LARGER SIZES AVAILABLE

Blower Size

3

4

6

8 / 9

10+

11

 

M

3.0

3.88

5.0

6.45

5

11

 

N

4.0

4.9

5.7

9.2

9

13-5/8

 

O

3.0

3.88

5.0

6.45

6

9-3/4

 

P

5.0

5.8

6.2

9.2

9

10-5/8

 

Q

5.0

6.4

8.0

10.1

-

-

 

R

9/32

9/32

11/32

11/32

-

-

Blower Size

3

4

6

8

9

10

11

 

 HP

.17

1/3

1

1

4

2

10

 

RPM

3450

3450

3450

1750

3600

1800

3600

ELECTRIC BLOWER MOTOR DATA

 

VOLTS

230/460

230/460

230/460

230/460

230/460

230/460

230/460

 

PHASE

3

3

3

3

3

3

3

 

HERTZ

50/60

50/60

50/60

50/60

50/60

50/60

60

 

S.E.

1.4

1.35

1.25

1.25

1.25

1.25

1.25

 

AMPS

3.4/1.7

3.21/1.61

8.65/4.33

9.06/4.53

-

17.6/8.78

-

 

PHASE

1

1

1

1

NA

1

NA

 

VOLTS

115/230

115/230

115/230

115/230

-

115/230

-

 

AMPS

0.70/0.35

1.24/0.62

3.10/1.55

3.18/1.59

10.0/5.5

5.72/2.86

22.6/11.3

Columbus Fan & Machine

PHONE: (401)247-0079

EMAIL: ColumbusFanRI@gmail.com

​DC Industrial Sales

PHONE: (401-)245-3330

EMAIL: DCIndustrialSales@Gamil.com

Customer Support is our main focus!

INDUSTRIAL  &  RESIDENTIAL
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© 2025 Columbus Machine/DC Industrial

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