Explore the technical specifications and performance data of the BFN0724SS-01, a premier 24V DC brushless blower designed for medical CPAP applications.
| ITEM | DESCRIPTION |
| Model | BFN0724SS-01 |
| MOTOR TYPE | BLDC 3PHASE / 6PULSE/4POLE |
| RATED VOLTAGE | 24V |
| INPUT CURRENT (FREE AIR)(AVG) | 1.50 (MAX. 1.80) A |
| INPUT POWER(AVG) | 36.0 (MAX. 43.2) W |
| SPEED (FREE AIR) | 31500±10% R.P.M. |
| MAX. AIR FLOW(AT ZERO STATIC PRESSURE) | 18.06 (MIN. 16.25 ) CFM |
| MAX. AIR PRESSURE(AT ZERO AIRFLOW) | 49.936 (MIN. 40.443) cmH2O |
| ROTATION | COUNTERCLOCKWISE(VIEW FROM INLET PLATE SIDE) |
ACOUSTICAL NOISE (0.5M DISTANCE AT 17300RPM) | 38.0 (MAX.42.0) dBA |
P@Q curve
DIMENSION DRAWING
MOTOR PHASE SEQUENCE
MOTOR DATA
| MOTOR TYPE | BLDC 3 PHASE/6PULSE/4POLE |
| SENSOR SUPPLY RANGE | 4.5-24 V |
| NOMINAL SPEED | 30000 ±15% RPM |
| NOMINAL TORQUE | 10 mNm |
| NOMINAL CURRENT | 1.8±15% A |
| NOMINAL OUTPUT POWER | 32.0 W |
| NO-LOAD SPEED | 38000±15% RPM |
| TERMINAL INDUCTANCE | 0.22±15% mH |
| TERMINAL RESISTANCE | 1.98 ±10% Ω |
| OPERATING TEMPERATURE RANGE | 0~40 ℃ |
| MASS | 0.200±10% Kg |
NTC DATA
BFN0724SS-01: Engineering the Silent Heart of CPAP Machines
In the medical device industry, the blower is the "heart" of the system. The BFN0724SS-01 is a high-performance brushless DC blower engineered to meet the dual demands of medical-grade quietness and fail-safe reliability.
1. Mastering Silence: How the BFN0724SS-01 Eliminates CPAP Noise
Achieves an ultra-low noise level of 38.0 dBA through 3-Phase BLDC Architecture, Precision Dynamic Balancing, and Aero-Acoustic Optimization.
Figure 1: BFN0724SS-01 undergoing rigorous ventilator performance testing.
2. The Science of Safety: NTC Thermistor Protection Explained
Integrates a Negative Temperature Coefficient (NTC) thermistor for real-time thermal feedback and closed-loop safety, ensuring longevity and patient comfort.
Figure 2: Precision wiring and integrated NTC sensor for thermal safety.
BFN0724SS-01 24V DC Blower - Frequently Asked Questions
Q1: What are the primary applications for the BFN0724SS-01 blower?
A: The BFN0724SS-01 is specifically engineered for medical-grade equipment, particularly CPAP machines, mechanical ventilators, and sleep apnea therapy devices.
High-pressure performance in a compact frame.
Q2: How does the BFN0724SS-01 achieve such low noise levels for medical use?
A: Silence is critical for patient sleep. This blower features a 3-phase BLDC motor architecture and precision dynamic balancing, operating at an ultra-low noise level of 38.0 dBA.
Q3: Does the BFN0724SS-01 include thermal protection?
A: Yes. The unit is integrated with an NTC thermistor for real-time monitoring and closed-loop safety protection.
Q4: What is the maximum air pressure and flow rate of this model?
A: It delivers a maximum static pressure of 49.936 cmH2O and a maximum airflow of 18.06 CFM, ideal for portable medical devices.
Conclusion
The BFN0724SS-01 is more than a fan; it is a specialized medical solution. By combining whisper-quiet fluid dynamics with NTC thermal protection, it stands as the premier choice for global CPAP and ventilator manufacturers.
