EC fans
Backward centrifugal series
ATB EC backward
centrifugal fan adopts permanent magnet external rotor motor. This
series provides a variety of impeller materials and control mode
options, and provides heat dissipation solutions for clean rooms, air
handling units, data center precision
Core points
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Independent research and developmentIndependently develop a series of products.
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Multi-functionIncluding analog 1-10V control, digital signal input, remote control and serial MODBUS monitoring.
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Safe and reliableMultiple motor protection mechanism, high protection motor structure, mechanical strength simulation, fluid simulation and electromagnetic simulation.
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Widely usedControl cabinet cooling, fresh air system, biomedical, household appliances and other industries.
Specification parameter
| Power | 55-3700W |
| Frequency | 50/60Hz |
| Power supply type | 1-200~277VAC、3·380V~480V |
| Impeller material | PA66, aluminum alloy |
| Insulation grade | F |
| Rotation speed | 1-4500r/min |
| Air quantity | 1-25000m³/h |
| Speed regulation | 0-10V/PWM/RS485 |
| Impeller size | 133、175、190、220、225、250、310、355、400、450、630mm |
| Protection grades | IP44、IP55 |