175R-069D-0566 – DC 24 V 3.50 A 4-Wire Centrifugal Cooling Fan (for Mitsubishi Inverter)
High-performance centrifugal-type industrial cooling fan designed for inverter, CNC, and control-cabinet applications requiring focused, high-pressure airflow. This model is built for continuous duty and harsh-environment reliability.
Technical Specifications
- MFG: NMB
- Model Number: 175R-069D-0566
- Fan Type: DC centrifugal / blower fan
- Voltage: 24 V DC
- Current: 3.50 A
- Power: ~84 W (typical)
- Speed Signal: Yes – 4-wire (Power +, Ground, Tach, PWM control)
- Bearing Type: Dual ball bearing
- Rotation Direction: Clockwise viewed from label side
- Material: Aluminum alloy housing / reinforced plastic impeller
- Airflow Orientation: Tangential / side discharge
- Mounting: Flange-mount centrifugal frame
- Dimensions: Approx. 175 mm × 150 mm × 55 mm
- Operating Voltage Range: 20 – 28 V DC
- Operating Temperature: –10 °C to +70 °C (typical)
- Connector: 4-pin (PWM + tach feedback compatible)
Interchangeable / Equivalent Part Numbers
175R-069D-0566, 175R-069D-0546, 175R-069D-0565, 175R-069D-0564
(Same frame size and connector; verify current rating and lead count before substitution.)
✅ Confirmed Compatibility
✔️ Mitsubishi inverter and servo drive modules
✔️ Mitsubishi CNC control cabinet cooling
✔️ Industrial automation enclosures
✔️ Power supply and VFD cooling assemblies
✔️ General equipment using 175 mm centrifugal DC fans (24 V / 3.5 A / 4-wire)
☑️ Key Features
☑️ 4-wire PWM control with tach monitor feedback
☑️ High-pressure airflow for dense electronics or ducted enclosures
☑️ Long-life dual ball bearings for 24 × 7 operation
☑️ Durable aluminum housing resists heat and vibration
☑️ Direct replacement fit for Mitsubishi inverter cooling fans
☑️ Field-service ready with standardized mounting holes and connector lead length
⚙ Fit Notes
- Confirm the fan’s voltage (24 V DC) and lead count (4-wire PWM) match your original.
- Designed for use in industrial inverters where static pressure and directional airflow are critical.
- Airflow direction is tangential from the fan outlet on the curved side.
- Replacement for many Mitsubishi inverter blower modules using 175 mm frame fans.
