Description
** Three phase applications as well **
Base: 18″ Square
Motor: 1/4 HP 115 volt / 1 phase
CFM Range:
1630 RPM – 760 CFM @ 0″ SP – 418 @ .75″ SP
1689 RPM – 787 CFM @ 0″ SP – 173 @ .875″ SP
1748 RPM – 815 CFM @ 0″ SP – 440 CFM @ .875″ SP
1806 RPM – 842 CFM @ 0″ SP – 189 CFM @ 1″ SP
Wheel Diameter- 8″ Diameter
Loren Cook Model #: 80C3B
REPLACEMENT MOTOR: 100308 Loren Cook Replacement Motor
REPLACEMENT BLADE: Please call for pricing
REPLACEMENT TOPCAP/LID: email [email protected]
FEATURES & BENEFITS
- Completely enclosed drive compartment protects motor from airborne contaminants.
- Non-overloading backward inclined wheels, blades and inlets fabricated from aluminum.
- Units up to 24″ nominal wheel can be wall mounted

| Fan Size | A | B | C | D | T Sq | Roof Opening for curbs supplied by LOREN COOK COMPANY. |
Approximate Shipping Weight (pounds) |
|---|---|---|---|---|---|---|---|
| 60 | 2-7/8 | 23-9/16 | 21-1/8 | 2 | 18 | 13-1/2 | 30 |
| 70 | 2-7/8 | 23-9/16 | 21-1/8 | 2 | 18 | 13-1/2 | 30 |
| 80 | 2-7/8 | 23-9/16 | 21-1/8 | 2 | 18 | 13-1/2 | 30 |
| 100 | 2-7/8 | 23-9/16 | 21-1/8 | 2 | 18 | 13-1/2 | 30 |
| 120 | 1-13/16 | 28-7/16 | 26-7/8 | 2 | 20 | 15-1/2 | 55 |
| 135 | 2-3/16 | 28-7/16 | 27-1/4 | 2 | 20 | 15-1/2 | 60 |
| 150 | 3-1/16 | 32-7/8 | 28-7/8 | 2 | 24 | 19-1/2 | 70 |
| 165 | 3-9/16 | 32-7/8 | 29-3/8 | 2 | 24 | 19-1/2 | 75 |
| 180 | 3-15/16 | 37-11/16 | 34-1/2 | 3 | 30 | 25-1/2 | 90 |
| 195 | 4-7/16 | 37-11/16 | 35 | 3 | 30 | 25-1/2 | 100 |
| 210 | 4-3/4 | 43-5/8 | 37-1/4 | 3 | 30 | 25-1/2 | 200 |
| 225 | 4-7/8 | 43-5/8 | 37-3/8 | 3 | 30 | 25-1/2 | 220 |
| 245 | 6-1/8 | 47-5/8 | 39-7/8 | 3 | 30 | 25-1/2 | 240 |
| 270 | 6-1/8 | 47-5/8 | 39-7/8 | 3 | 36 | 31-1/2 | 260 |
| 300 | 7-1/16 | 52-5/8 | 49-1/16 | 3 | 36 | 31-1/2 | 300 |
| 330 | 7-5/16 | 52-5/8 | 49-5/16 | 3 | 42 | 37-1/2 | 365 |
| 365 | 8-1/16 | 62-5/8 | 51-9/16 | 3 | 42 | 37-1/2 | 380 |
| 402 | 10-1/16 | 62-5/8 | 53-9/16 | 3 | 48 | 43-1/2 | 440 |
| 445 | 9-3/4 | 75-3/16 | 57-1/16 | 3 | 54 | 49-1/2 | 500 |
| 490 | 11-1/2 | 75-3/16 | 58-13/16 | 3 | 54 | 49-1/2 | 650 |
| 540 | 12-1/2 | 81-15/16 | 60-5/16 | 3 | 66 | 61-1/2 | 858 |