Product Overview
CF146-650CFM-01 is an EC fan unit with a 110–254 Vac input, delivering 1100 m³/h at up to 680 Pa, 180 W, 1650 r/min, 56 dB(A). Used in AHUs, ducted ventilation and ERV/HRV units. USD 60–6000 FOB Nansha, MOQ Open MOQ pcs, 25–30 days.
- One SKU covers 100–240 V markets, so a single spare part fits every region
- 0-10V/PWM, 4-speed or Modbus RTU (RS485) control for demand-controlled ventilation with CO₂, temperature and humidity sensors
- Soft-start EC motor keeps start/stop and operating noise down; 56 dB(A) at the rated point
- Rack-mount chassis, IP54 protection, −25 °C to +60 °C working range
Typical installations: 35–45 person classrooms, lecture halls and canteens, and hydroponic grow rooms with carbon filters.
Technical Specifications
| Category | Fan Units |
|---|---|
| Model | CF146-650CFM-01 |
| Motor Type | EC |
| Airflow | 1100 m³/h |
| Max Static Pressure | 680 Pa |
| Voltage | 110-254 VAC |
| Power | 180 W |
| Current | 0.71–1.6 A |
| Speed | 1650 r/min |
| Noise | 56dB(A) |
| Protection Class | IP54 |
| Working Temperature | -25 °C ~ +60 °C |
| Impeller Material | PA+GF |
| Bearing Type | Ball Bearing |
| Speed Control | 0-10V/PWM, 4-speed |
Data updated 2026-10
Ordering Information
| MOQ (Min. Order Qty) | Open MOQ |
|---|---|
| FOB Price | FOB Nansha Guangzhou |
| Reference price | US$60–6000 |
| Lead Time | 25-30 days |
| Sample | Sample available |
| Payment Terms | TT |
| Shipping Port | Nansha Guangzhou OR Yantian Shenzhen |
Other Models in This Series
Performance Curves
Dimensions
Special Remarks
"EC soft-start motor; control options 0-10V/PWM, 4-speed or Modbus RTU (RS485); accepts CO₂/temperature/humidity sensors for demand-controlled ventilation."
Applications
EC blowers on a 110–254 V universal mains input — one SKU for every region. 1,100–3,450 m³/h at ~700 Pa for heat-recovery ventilators, ERV/HRV cores and greenhouse air distribution. Soft-start EC motor, 0-10V/PWM or 4-speed, IP54, 56–66 dB(A).
Product dataSheets (PDF Download)
View Product dataSheets (PDF) PDF · EC·Fan unit:CF146-650CFM-01 Product dataSheetsFrequently Asked Questions
Why does the modern greenhouse planting industry choose EC Fan Unit components?
EC Fan Units reduce energy consumption and costs, enable precise climate regulation, and enhance crop yield and quality, directly addressing growers' core demands for profitability and production stability. The adoption of EC Fan Units in modern greenhouse cultivation is driven primarily by their high energy efficiency and precise environmental control capabilities, which directly impact cultivation profitability and crop quality consistency. Compared with traditional AC fans, EC fans offer fundamental differences in energy efficiency, controllability, and reliability. Choosing an EC Fan Unit is not merely an equipment upgrade but a critical step in the transition toward refined and intelligent management in modern greenhouse cultivation.
Why can selecting EC centrifugal fans significantly reduce operating costs?
EC fans are more energy-efficient than traditional AC fans in HVAC ventilation systems. In the HVAC industry, ventilation system energy consumption can account for 70% of total operating costs, making energy efficiency the primary economic consideration. EC fans (Electronically Commutated) utilize permanent magnet synchronous motors (PMSM) and built-in digital controllers, fundamentally eliminating brush wear, commutator losses, and slip resistance associated with traditional AC motors. This structural difference delivers significant efficiency advantages: 1. Higher rated efficiency: EC fans can achieve efficiency above 90%, while traditional AC fans typically range between 55–70%. 2. Substantial advantage at partial load: Greenhouse ventilation demand varies with day-night cycles and seasons, and fans operate under partial load for most of the time. Traditional AC motors experience a sharp efficiency drop to 40–55% when operating below design speed, whereas EC motors maintain high efficiency across the full speed range. In actual projects, some farms have reduced monthly electricity costs by 35% by switching to EC fan systems.
How do I size classroom ventilation with this fan?
Start from the per-person rate: current standards ask roughly 8 l/s of fresh air per occupant. Thirty pupils plus a teacher ≈ 250 l/s ≈ 900 m³/h — this fan’s 1,100 m³/h covers it with margin, and the 680 Pa reserve keeps that airflow after the filter loads and the duct resistance grows. Sizing without margin is the classic mistake: the fan meets the class on day one with a clean filter, then quietly under-ventilates for the rest of the term.