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230V EC 400mm 700W Industrial Backward Centrifugal Fan

1. 400mm
2. IP54 protection level
3. Aluminum alloy motor with galvanized steel sheet impeller, fashion design.
4. Using Ball bearing, working life more than 50,000 hours
Availability:
Quantity:
  • FB3G400-2AAB-67

  • Fanova

Phase

~

1~

额定电压 Nominal Voltage

VAC

230

电压范围 Nominal voltage range

VAC

184~270

频率 Frequency

Hz

50/60

电流消耗 Current draw

A

3.1±10%

转速 Speed(RPM)

min-1

1800±5%

功率消耗 Power consumption

W

700±10%

声压级 Sound Pressure Level

dB(A

79±5%

最大风量 Max. Air Flow

CFM / m3/H

3707.55/6300

最大静压 Max. Static Pressure

In.wg /Pa

3.6/900

绝缘等级 Insulation class

~

Class B

防护等级 Degree of protection

~

IP54

控制方式 Control Input

~

0~10VDC / PWM

信号输出 Signal Output

~

FG (Tach output )


FANOVA FB3G400-2AAB-67 230V EC Industrial Grade Backward Centrifugal Fan Product Details

I. Product Description

The FANOVA FB3G400-2AAB-67 is a 230V EC industrial grade backward centrifugal fan specifically designed for industrial environments. Its core function is to rapidly exhaust irritating gases generated during processing, while simultaneously meeting the high-intensity requirements of large-scale ventilation and cooling systems. As an industrial-grade device, its core highlights are robust performance, intelligent control, and durable design, making it an ideal ventilation solution for factories, large buildings, energy equipment, and data centers.


This fan features a large 400mm size design, equipped with an aluminum alloy motor and a galvanized steel impeller. It not only combines industrial-grade robustness with a sleek and stylish appearance in its structure, but also achieves excellent corrosion resistance and wear resistance through the scientific combination of high-quality materials. With an IP54 protection rating, it effectively prevents dust intrusion and low-pressure water splashes, maintaining long-term stable operation even in dusty and complex industrial environments. Featuring an advanced built-in electronically commutated (EC) motor (BLEC102 model), it is compatible with a 230VAC rated voltage and a wide voltage range of 184-270VAC, adapting to 50/60Hz frequencies. It maintains stable output even under voltage fluctuations while optimizing energy efficiency, meeting CE and RoHS standards, thus balancing environmental protection and compliance requirements.


II. Product Advantages

1. Ultra-large air volume and high static pressure, powerful ventilation without pressure: 

Thanks to its optimized backward centrifugal structure and large impeller design, the fan can output an ultra-large air volume of up to 6300 m³/h (3707.55 CFM), coupled with a high static pressure of 900 Pa (3.6 In.wg), providing powerful and penetrating airflow. Whether it's air circulation in large industrial ducts, hot air exhaust from industrial ovens, or rapid dispersal of irritating gases in factory workshops, it can efficiently complete tasks, completely solving the problems of poor ventilation and gas stagnation in industrial settings.


2. Intelligent and Diverse Control, Precise Monitoring for Greater Convenience

Supports two basic speed control methods: 0-10VDC analog signal and PWM pulse width modulation. Users can flexibly adjust the speed according to actual ventilation needs, achieving "on-demand air supply" and avoiding energy waste. It also features FG speed output (5 pulses per revolution) and RS485/MODBUS interfaces, enabling real-time speed feedback, system integration, and remote monitoring. This facilitates integration into industrial control systems, allowing for precise control of equipment operation and significantly improving operational convenience and management efficiency.


3. Industrial-Grade Durability, Excellent Environmental Adaptability

Utilizing high-quality ball bearings, it boasts a service life (L10) of up to 50,000 hours in a wide temperature range of -25℃ to 60℃. Based on a common 24-hour continuous operation mode in industrial scenarios, it can stably operate for over 5 years, significantly reducing equipment replacement and maintenance costs. The IP54 protection rating further enhances environmental adaptability, resisting large amounts of dust and accidental water splashes in industrial environments. Combined with the corrosion-resistant properties of the aluminum alloy motor and galvanized steel impeller, it maintains reliable performance even under harsh conditions.


4. Multiple Safety Protections for Peace of Mind: 

The device features a wealth of built-in safety and practical functions, including motor current limiting, soft-start protection, undervoltage/overvoltage detection, electronic/motor thermal overload protection, rotor lock protection, and reverse polarity protection. It also features a +10VDC output interface (maximum 1.1mA current) for direct power supply to external sensors, simplifying system wiring and accessory configuration. A dedicated alarm switch (orange/gray wire) can be triggered promptly in case of overheating, rotor lock, or other faults, issuing an alarm upon connection to a monitoring system, allowing users to quickly troubleshoot problems and prevent escalation.


III. Product Features


1. Optimized Structural Design, Balancing Performance and Stability

The backward centrifugal structure is based on precise fluid dynamics calculations, resulting in extremely high assembly precision between the impeller and motor. This maximizes airflow and static pressure while minimizing energy loss and noise interference caused by airflow turbulence. The large 400mm impeller, combined with a scientifically designed blade angle, ensures optimal airflow output while reducing mechanical vibration during operation, resulting in smoother equipment operation and extended lifespan of core components.


2. Wide Range Adaptability, Enhanced Scene Compatibility

The voltage adaptation range covers 184-270VAC, compatible with power supply environments in different regions and under different operating conditions, eliminating the need for additional voltage converters. The operating temperature range is -25℃ to 60℃, with IC heatsinks withstanding up to 115℃, other electronic components up to 85℃, ball bearings up to 80℃, and wires up to 120℃, enabling it to handle diverse industrial scenarios such as high-temperature workshops and low-temperature warehouses. The operating humidity is adapted to 5%-90% RH, and the storage humidity is 5%-95% RH, allowing for normal operation even in humid or dry environments.


3. Outstanding Energy Efficiency, More Economical in the Long Term


Compared to traditional AC/DC motors, EC motors are more energy efficient, achieving approximately 30% energy savings. Long-term operation can significantly reduce electricity costs for enterprises, meeting the energy-saving and consumption-reducing needs of industrial scenarios. Simultaneously, precise speed regulation and stable performance output reduce production losses caused by inefficient equipment operation or downtime due to malfunctions, further enhancing the long-term economic value.


IV. Product Applications: Covering Multiple Industrial Ventilation Needs


1. Industrial Ventilation Scenarios: Purifying the Workshop Environment and Ensuring Production Safety


Suitable for factory exhaust, fume extraction, and drying tunnel ventilation scenarios. In workshops that generate irritating gases or dust, such as chemical, machining, and spraying industries, the fan can quickly extract harmful gases and dust, reducing the concentration of pollutants in the workshop and protecting the health of operators. In drying tunnels, it can accelerate hot air circulation, improve material drying efficiency, and help optimize production processes.


2. Large-Scale HVAC Systems: Enhanced Air Circulation and Improved Control Efficiency

As a core ventilation component in commercial air handling units, condenser units, and duct cooling systems, it provides robust power for HVAC systems in large shopping malls, office buildings, and industrial plants. Through efficient air circulation, it shortens indoor temperature adjustment time, improves heating or cooling efficiency, optimizes airflow quality, creates a comfortable environment for occupants, and reduces overall HVAC system energy consumption.


3. Energy/Processing Equipment: Auxiliary Heat Dissipation and Ventilation for Stable Equipment Operation

It is suitable for the ventilation and heat dissipation needs of energy and processing equipment such as boilers, generators, and industrial ovens. These devices generate a large amount of heat during operation; if this heat cannot be dissipated in time, it can easily lead to overheating damage or performance degradation. This fan can quickly remove heat from the surface and interior of the equipment, maintaining the equipment's operating temperature within a safe range, while providing necessary air supply for fuel combustion and material processing, ensuring continuous and stable equipment operation.


4. Data Center Cooling: Precise Airflow Control to Protect Core Equipment

Addressing the airflow management needs of high-density server rooms, the fan provides ample and stable airflow, quickly removing the large amounts of heat generated by the server clusters and preventing server crashes, data loss, or performance degradation due to localized overheating. High static pressure ensures airflow penetrates the dense rack layout of the server room, achieving uniform cooling. Combined with intelligent control functions, the fan speed can be dynamically adjusted according to the server room temperature, balancing heat dissipation and energy consumption.


V. Product Specifications

This fan, model FB3G400-2AAB-67, is a FANOVA 230V EC industrial-grade backward centrifugal fan, specifically designed for the rapid removal of irritating gases generated during processing. In terms of size and protection, the fan body is 400mm in diameter, with an IP54 protection rating. It features an aluminum alloy motor and a galvanized steel impeller, resulting in a robust and durable structure with advantages such as corrosion resistance, dustproofing, and splashproofing.


In terms of electrical parameters, it adopts a single-phase power supply mode, with a rated voltage of 230VAC and a voltage adaptation range of 184-270VAC, supporting a frequency of 50/60Hz; the rated current is 3.1±10% A, and the rated power is 700±10% W. Its wide voltage and frequency compatibility design ensures stable operation under different power supply environments. Regarding performance parameters, it has a rotational speed of 1800±5% RPM, a sound pressure level of 79±5% dB (A), a maximum airflow of 3707.55 CFM (6300 m³/h), and a maximum static pressure of 3.6 In.wg (900 Pa), providing strong airflow to meet the high-intensity ventilation requirements of industrial applications.


In terms of safety and control, the insulation class is Class B. Control input supports both 0-10VDC and PWM modes. Signal output includes FG speed feedback (5 pulses per revolution) and RS485/MODBUS interfaces. It also features a +10VDC output interface (maximum 1.1mA), a fault alarm switch, and multiple safety protection functions, balancing safety and practicality. Regarding environmental parameters, the operating temperature range is -25℃ to 60℃ for the fan, up to 115℃ for the IC heatsink, up to 85℃ for other electronic components, up to 80℃ for bearings, and up to 120℃ for wires; the storage temperature range is -40℃ to 75℃; the operating humidity is 5%-90% RH, and the storage humidity is 5%-95% RH, demonstrating excellent scene compatibility. In terms of lifespan, under 40℃ environmental conditions and 15%-65% RH humidity, the equipment's lifespan (L10) can reach 50,000 hours.


VI. Product Transportation To meet the transportation protection requirements of industrial-grade equipment, the product adopts a customized heavy-duty protective packaging solution. The outer layer uses a thickened and reinforced corrugated cardboard box. The cardboard's hardness and impact resistance far exceed those of ordinary packaging, effectively resisting collisions, compression, and stacking pressure during transportation, providing robust external protection for the equipment. The internal high-density pearl cotton lining conforms to the fan's contours, and through precise cutting and multi-point fixing, firmly locks the equipment in place, preventing component displacement, impeller deformation, or outer casing scratches caused by transportation bumps, comprehensively protecting the integrity of core components and the overall appearance.


Key components such as the motor and impeller are additionally wrapped with anti-static film and moisture-proof packaging to prevent static electricity damage to electronic components and humid environments from causing corrosion of metal parts. The outer packaging is clearly marked with transportation labels such as "Industrial Equipment," "Fragile," "Place Upwards," "Moisture-proof and Sun-proof," and "Do Not Compression," clearly informing users of the handling procedures during logistics and preventing improper handling. Each fan comes with an independent product certificate, detailed instruction manual, installation guide, and packing list. The list specifies the product model, parameters, accessories, and other information, facilitating quick verification by the user upon receipt. Whether it's domestic long-distance logistics or cross-regional transportation, we can ensure that the product arrives intact. Users can install and debug it according to the guide after unpacking and put it into use quickly.


ECB400-2AAB-67

EB400-2AAB-67

Life Expectance

50,000 Hours(L10),At 40℃ room, humidity 15%~65%RH

Technical features

Motor current limitation

Soft starting Protection

Under/Over voltage detection

Thermal overload protection for electronics/motor

Line undervoltage detection

Locked-rotor Protection

Reverse Polarity Protection


Operating Temperature

Fan

-25℃ (Min. )~60℃ (Max. )

Heat sink of IC

115℃ (Max. )

Other electronic parts

85℃ (Max. )

Ball bearing

80℃ (Max. )

Lead Wire

120℃ (Max. )

Storage Temperature

-40℃ to 75℃

Operating Humidity

5% to 90% RH

Storage Humidity

5% to 95% RH


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 No.739, Fuyuan Road, Xiangcheng District, Suzhou, Jiangsu, P.R. China 215133

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+8617768077282
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