Overview
The Comair Rotron MS24B3 is a 24V DC muffin-style cooling fan designed for industrial automation equipment, control enclosures, and thermal management applications. This model delivers reliable airflow and low-noise operation in a compact footprint, making it a drop-in replacement for existing cooling systems.
Key Features
- 24V DC nominal voltage with 12–28V operating range for flexible power supply integration
- Ball bearing construction for extended service life and low friction operation
- 2900 RPM motor speed with 110 CFM maximum airflow
- Low noise signature at 49.5 dBA for reduced acoustic impact
- Leads-based termination with 305 mm wire leads for easy installation
- Compact 4.7 × 4.7 × 1.5 inch muffin form factor
Technical Specifications
- Operating voltage: 24V DC
- Voltage range: 12–28V DC
- Power consumption: 7.0W
- Line current: 0.29A nominal
- Locked rotor current: 0.70A
- Fan speed: 2900 RPM
- Maximum airflow: 110 CFM @ 0 in Hâ‚‚O
- Maximum static pressure: 0.252 in Hâ‚‚O @ 0 CFM
- Noise level: 49.5 dBA
- Dimensions: 4.7 × 4.7 × 1.5 inches
- Weight: 8.82 oz
- Bearing type: Ball bearings
- Air flow direction: Counter-clockwise rotation (Flow R)
Typical Applications
The MS24B3 is commonly deployed in:
- Industrial PLC enclosure cooling
- Control cabinet thermal management
- Drive and servo amplifier heat dissipation
- Electrical equipment ventilation
- Compact muffin-fan cooling applications requiring 24V DC supply
Compatibility & Replacements
Compatible With
- 24V DC power supplies and battery systems
- Industrial automation control systems
- PLC enclosures and electrical cabinets
- Equipment requiring 4.7-inch square form-factor fans
- Systems supporting 12–28V input voltage range
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering, as muffin fan form factors and mounting vary. The MS24B3 replaces equivalent Comair Rotron Muffin XP 24V models with identical footprint and lead configuration.
Works With
- 24V DC automation power systems
- Variable frequency drives (VFDs) and servo drives with auxiliary 24V cooling circuits
- Discrete thermostatic and PWM fan controllers
- PLC analog and discrete I/O for fan speed monitoring where equipped
