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

Independent research and development

Independently develop a series of products.
Multi-function

Including analog 1-10V control, digital signal input, remote control and serial MODBUS monitoring.
Safe and reliable

Multiple motor protection mechanism, high protection motor structure, mechanical strength simulation, fluid simulation and electromagnetic simulation.
Widely used

Control 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