Description
The Mitsubishi MMF-12F24DS-RM1 is a high-performance industrial DC axial cooling fan engineered specifically for thermal management in heavy-duty variable frequency drives (VFDs) and automation systems. This component features Original Engineering to guarantee seamless integration and thermal efficiency, restoring factory-grade heat dissipation to critical inverter systems. Designed to meet the stringent demands of high-duty-cycle environments, this fan preserves the lifecycle value of the parent equipment by preventing thermal runaway and unplanned downtime.
Technical Specifications:
Manufacturer: Mitsubishi Electric
Model Number: MMF-12F24DS-RM1
Product Type: DC Axial Cooling Fan
Rated Voltage: 24V DC
Operating Voltage Range: 12.0V DC to 27.6V DC
Rated Current: 0.36A
Input Power: 8.64W
Frame Dimensions: 120 mm x 120 mm x 38 mm
Bearing Type: High-Precision Dual Ball Bearing
Termination Type: Original lead interface with RM1 connector
Airflow Rate: 2.95 m³/min
Static Pressure: 88 Pa
Acoustic Noise: 42 dBA
Housing Material: Reinforced Thermoplastic (UL 94V-0 Rated)
Impeller Material: Reinforced Thermoplastic (UL 94V-0 Rated)
Service Life Expectancy: 70,000 Hours at 40°C
Operating Temperature Range: -10°C to +70°C
Storage Temperature Range: -40°C to +75°C
Insulation Resistance: Minimum 10 Megohms at 500V DC
Dielectric Strength: 500V AC for 1 minute
Safety Certifications: UL, CSA, TUV, CE, RoHS Compliant
Weight: 310 g
Technical Compatibility:
This fan is directly compatible with Mitsubishi FR-A740, FR-A840, FR-F740, and FR-F840 series high-capacity inverters, matching the precise mounting dimensions, electrical load profiles, and internal diagnostic sensor protocols of the drive’s control system.
Industrial Application Scenario:
In continuous-operation environments such as automotive assembly lines, chemical processing plants, and CNC machining centers, the VFD control cabinet generates significant localized thermal loads. If the internal cooling fan fails, the drive enters an overtemperature fault state, immediately halting production. The MMF-12F24DS-RM1 solves this bottleneck. Its optimized static pressure profile effectively forces cool air through the densely packed IGBT modules, maintaining junction temperatures within safe operating limits under peak electrical load conditions.
Procurement Advantage:
Maintaining this critical spare part on-site minimizes Mean Time to Repair (MTTR). Our optimized supply chain ensures a rapid Lead Time for urgent replacement requirements, keeping your production lines operational.














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