ebm-papst ACi 4420 HHR High Efficiency Compact Axial Fan
The ebm-papst ACi 4420 HHR is a high efficiency compact axial fan designed for reliable air movement in equipment cooling, electronics cooling, control cabinets and compact ventilation applications. With a 120mm square frame, 38mm depth and integrated AC input design, it delivers strong airflow performance from a compact fan body.
The ACi 4420 HHR is built with plastic housing and impeller construction, a ball bearing system and speed-controlled electronic function. It is suited to installations requiring a compact 230VAC fan with low power consumption, reliable service life and consistent airflow performance.
Key Features
Compact 120 x 120 x 38mm axial fan
230VAC nominal voltage
195–265VAC voltage range
50/60Hz operation
4.4W power consumption
3300 RPM rated speed
175m³/h maximum free-air flow
78Pa maximum static pressure
42 dB(A) sound pressure level at free air flow
Ball bearing system for reliable operation
Clockwise rotation when looking at rotor
Air outlet over struts
Plastic housing and plastic impeller
Plug electrical connection
Speed-controlled electronic function
Auto restart locked rotor protection
CE, EAC, UL, VDE, CSA and CCC approvals listed in the data sheet
Specifications
| Specification | Details |
|---|
| Product Code | ACi4420HHR |
| ebm-papst Model | ACi 4420 HHR |
| Brand | ebm-papst |
| Product Type | Compact Axial Fan |
| Fan Type | Fan |
| Nominal Voltage | 230VAC |
| Voltage Range | 195–265VAC |
| Frequency | 50/60Hz |
| Power Consumption | 4.4W ±20% |
| Speed | 3300 RPM ±10% |
| Maximum Free-Air Flow | 175m³/h |
| Maximum Static Pressure | 78Pa |
| Optimal Operating Point | 142m³/h at 27Pa |
| Sound Pressure Level | 42 dB(A) at free air flow |
| Sound Power Level | 5.3 bel(A) at optimal operating point |
| Width | 120mm |
| Height | 120mm |
| Depth | 38mm |
| Weight | 0.250kg |
| Housing Material | Plastic |
| Impeller Material | Plastic |
| Bearing System | Ball bearing |
| Direction of Rotation | Clockwise, looking at rotor |
| Airflow Direction | Air outlet over struts |
| Mounting Position | Any |
| Electrical Connection | Plug |
| Electronic Function | Speed-controlled |
| Locked Rotor Protection | Auto restart |
| Minimum Ambient Temperature | -20°C |
| Maximum Ambient Temperature | 75°C |
| Storage Temperature Range | -40°C to +80°C |
| Insulation Resistance | >10 MOhm |
| Protection Class | Built-in fan |
| Life Expectancy L10 at 40°C | 65,000 hours |
| Life Expectancy L10 at Maximum Ambient | 25,000 hours |
| Life Expectancy L10 to IPC 9591 at 40°C | 110,000 hours |
| Approvals | CE, EAC, UL, VDE, CSA, CCC |
Applications
Electronics cooling
Control cabinet ventilation
Compact equipment cooling
Refrigeration control and equipment compartments
HVAC control equipment
Power supply and inverter cooling
Enclosures requiring compact axial airflow
OEM-style fan replacement where ACi 4420 HHR specifications match
Air movement applications requiring low power consumption and compact 120mm fan sizing
Safety & Documentation
Install only by licensed electricians or qualified equipment technicians. Confirm voltage range, frequency, airflow direction, mounting position, plug connection, appliance protection requirements, clearance, operating temperature and equipment manufacturer requirements before installation.
The ebm-papst data sheet states that verification of thermal conditions, protection against electric shock, ingress of solid foreign objects and water must be completed in conjunction with the appliance. Direct water exposure and saline ambient conditions should be avoided.
The ebm-papst ACi 4420 HHR is a compact, high efficiency 230VAC axial fan for equipment cooling applications requiring reliable airflow, low power consumption and proven ebm-papst fan performance.
