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YUTEC EC250mm 92motor backward curved centrifugal fan
- Fan model: YUTEC-B250EC92-115M-G02; YUTEC-B250EC92-230M-G02
- Rated Voltage: 115VAC;230VAC
- Rated Current: 2.6A;1.3A
- Rated Power: 175W
- Rated Speed: 2750RPM
- Air Flow: 1700M3/H
- Air Pressure: 716Pa
- Noise Level: 75dBA
- Frequency: 50/60Hz
- Weight: 3.1KG
- Brand: YUTEC
Description
Dimensional drawing:
Performance Curve:
Connection Diagram:
Description：
Tunnel Ventilation Safety
Underground tunnels require fans that survive vibration and heat. EC backward curved centrifugal fans feature backward curved impellers with reinforced hubs to handle 10g shock loads and EC motors with thermal class H insulation (180°C). Their 100% speed reversibility enables smoke extraction in emergencies, while SIL 2 certification ensures fail-safe operation. With anti-icing heaters, they function reliably in Arctic tunnels (-40°C).
Specifications：
Brand Name | YUTEC |
Impeller Material | Galvanized Metal Sheet |
Motor Type | BLDC External Rotor Motor |
Type of Protection | IP44 |
Insulation Class | Class B |
Speed Control | 0-10VDC/PWM |
Bearing | Ball Bearing |
Signal Output | FG |
Life Expectance | 50,000 Hours |
Electrical Protection | Locked Rotor Protection |
Reverse Polarity Protection | |
Over Voltage Protection | |
Soft Start |
Competitive Advantage:
1. Lower Total Cost of Ownership (TCO)
Though initial costs are higher, EC backward curved fans offer 30–50% lower TCO due to energy savings, reduced downtime, and extended lifespan. In applications like commercial kitchen exhausts, payback periods often fall within 2–3 years.
2. Global Regulatory Compliance
These fans meet AMCA, ATEX, CE, and RoHS standards, ensuring safety in hazardous zones (e.g., chemical plants) and adherence to energy efficiency directives (e.g., EU Ecodesign). This simplifies procurement for multinational projects.
3. High Static Pressure Resilience
Unlike axial fans that stall under backpressure, backward curved impellers maintain airflow even with clogged filters or long duct runs. This makes them indispensable for industrial exhaust systems, where reliability is critical.