Φ280 AC Centrifugal Fans Backward Curved
| Descriptions | ||||||
| Impeller Material: | Galvanised sheet metal | |||||
| Type of Protection: | IP44 (L2B280/050-201F1, L4B280/078-201E6-2) or IP23 (L2B280/050-201F1-2) | |||||
| Bearings: | Maintenance Free Ball Bearings | |||||
| Mode of Operation | S1 | |||||
| Protection | TOP wired internally | |||||
| Direction of Rotation: | CCW LE(Seen on the leads) | |||||
| Overall Size | ||||||||
| L2B280/050-201F1 |  |
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| L2B280/050-201F1-2 |  |
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| L4B280/078-201E6-2 |  |
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| Performance Parameters | ||||||||||
| Model | Voltage (V) |
Frequency (Hz) |
Capacitor (μF/VAC) |
Speed (r/min) |
Current (A) |
Power (W) |
Air Flow (0Pa) (m3/h) |
Noise (dB(A)) |
Insulation Class | Amb. Temp. |
| L2B280/050-201F1 | 230 | 50 | 8/450 | 2660 | 1.2 | 260 | 1990 | 80 | F | -25℃ ~ +45℃ |
| L2B280/050-201F1-2 | 230 | 50 | 8/450 | 2710 | 1.1 | 246 | 2165 | 80 | F | -25℃ ~ +40℃ |
| L4B280/078-201E6-2 | 220 | 50 | 3/450 | 1390 | 0.33 | 72 | 1540 | 63 | B | -25℃ ~ +60℃ |
| 60 | 1600 | 0.45 | 98 | 1780 | 72 | |||||
| L2B280/050-201F1 | L2B280/050-201F1-2 | ||||||
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| L4B280/078-201E6-2 | |||
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