Description
The MMF-12D24DS-RM3 is an original 24V DC axial cooling fan manufactured by Mitsubishi Electric (Melco). This fan is specifically designed as a replacement or component for Mitsubishi A740/F740 series and other inverters (including RM1, RP1, RP6, CP1 variants). Measuring 120mm x 120mm x 38mm, it’s built for heavy-duty thermal management where high airflow and durability are crucial in industrial settings. It operates at a rated voltage of 24V DC and draws a current of 0.36A, resulting in a power consumption of 8.64W. This allows it to achieve a rotational speed of 2950 RPM, delivering a substantial airflow of 108 CFM and a static pressure of 0.27 inch-H2O (68.2 Pa). Its noise level is 42.5 dBA. The fan features two ball bearings for an operational lifespan of 50,000 hours. It comes with 3-wire leads, typically providing power, ground, and a tachometer output for speed monitoring, along with standard protections like auto-restart.
Model Number: MMF-12D24DS-RM3
Manufacturer: Mitsubishi Electric (Melco)
Type: DC Axial Cooling Fan (Original for Mitsubishi A740/F740 Inverters)
Dimensions: 120mm x 120mm x 38mm
Rated Voltage: 24V DC
Operating Voltage Range: Typically 14V to 26.4V DC
Rated Current: 0.36A
Rated Power: 8.64W
Speed: 2950 RPM
Airflow: 108 CFM (3.07 m³/min)
Static Pressure: 0.27 inch-H2O (68.2 Pa)
Noise Level: 42.5 dBA
Connector: 3-Wire Leads
Bearing Type: Two Ball Bearing
Life Expectancy: 50,000 hours
Frame Material: Plastic
Impeller Material: Plastic
Features: Auto Restart, Polarity Protection, Tachometer Output
Operating Temperature: -10°C to +70°C (Typical)
Weight: Approximately 250g
Approvals/Certifications: RoHS Compliant (Typical), likely others for industrial use.
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