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About Sound Levels
Measured in decibels (dB), volume ratings indicate how much noise equipment makes. Some common volume levels include a whisper @ 20 dB, a refrigerator @ 40 dB, a conversation @ 60 dB, and a light machine shop @ 90 dB. OSHA recommends hearing protection for exposure to 80 dB and greater.
Equipment-Cooling Fans
Also known as muffin fans, these keep heat-sensitive equipment such as electronic components cool. All have UL recognized components and are CSA certified.
Ball bearings reduce heat generated during operation, which extends the life of the fan.
For technical drawings and 3-D models, click on a part number.
Square
Overall | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ht. | Wd. | Dp. | Airflow, cfm | Temp. Range, °F | Volume, dBA | Current, A  | Frame Material | Blade Material | Bearing Type | Mounting Fasteners Included | Mounting Hole Dia. | Each | |
120V AC, Single Phase, 50Hz/60Hz—Screw Terminals | |||||||||||||
| 11.02" (280 mm) | 11.02" (280 mm) | 3.15" (80 mm) | 1,120 | -10° to 155° | 73 | 1.52 | Aluminum | Steel | Ball | No | 0.213" (5.4 mm) | 0000000 | 0000000 |
230V AC, Single Phase, 50Hz/60Hz—Screw Terminals | |||||||||||||
| 11.02" (280 mm) | 11.02" (280 mm) | 3.15" (80 mm) | 1,100 | -10° to 140° | 66 | 0.56 | Aluminum | Steel | Ball | No | 0.177" (4.5 mm) | 00000000 | 000000 |
| 11.02" (280 mm) | 11.02" (280 mm) | 3.15" (80 mm) | 1,110 | -10° to 130° | 73 | 0.87 | Aluminum | Steel | Ball | No | 0.217" (5.5 mm) | 0000000 | 000000 |