FB3G190-12APS-90 Backward Curved Centrifugal Fan, 115VAC, 190mm, 901.3 m3/h

When your ventilation system faces long duct runs or high-resistance filters, static pressure becomes the true measure of performance—and the FANOVA FB3G190-12APS-90 is engineered to conquer that challenge head-on. This backward-curved centrifugal fan delivers a maximum static pressure of 948 Pa (3.79 in.wg) at 4400 RPM, ensuring consistent airflow of up to 901.3 m³/h (530.4 CFM) even against demanding system impedances. Built for the North American and Japanese markets, its 115VAC input (92–277V wide range) means plug-and-play operation without the need for external transformers, simplifying installation and reducing component costs. The impeller, crafted from glass-fiber-reinforced polypropylene, offers excellent chemical resistance and lightweight durability, making it ideal for corrosive or humid environments where metal blades might fail. Driven by an energy-efficient BLDC EC92 motor, this fan consumes just 170W at full load while maintaining a noise level of 74 dB(A)—a balanced trade-off between power and acoustics. Speed is fully controllable via 0–10V PWM or 4–20mA interfaces, allowing precise modulation for variable air volume systems. The die-cast aluminum housing and rotor assembly ensure mechanical rigidity, while dual ball bearings deliver a lifespan exceeding 50,000 hours at rated conditions. With built-in reverse polarity, over-current, and over-temperature protection, the FB3G190-12APS-90 is a robust choice for HVAC units, cleanroom ventilation, industrial exhaust, and refrigeration systems. Certified to CE and UL standards, this fan is available as an OEM/ODM solution from FANOVA, with customized cable lengths, connectors, and performance curves to match your exact specifications.

The FANOVA FB3G190-12APS-90 is a high-static-pressure backward-curved centrifugal fan that redefines reliability in demanding ventilation applications. At its core sits a 190mm impeller fabricated from glass-fiber-reinforced polypropylene (PP+GF), a material choice that provides exceptional resistance to chemical attack, moisture absorption, and UV degradation while keeping rotating mass low for reduced bearing stress. The impeller features 9 aerodynamically optimized backward-curved blades, which minimize turbulence and energy loss, enabling a peak static efficiency of over 62% across a wide operating range. The fan's maximum airflow reaches 901.3 m³/h at free delivery, while its maximum static pressure of 948 Pa ensures stable performance in systems with high-resistance ductwork, HEPA filters, or multiple discharge branches.

The driving force is a brushless DC motor designated EC92, featuring a 92mm rotor diameter and integrated electronics that support universal AC input from 92 to 277VAC, with the typical rating at 115VAC. At nominal conditions, the motor draws 2.2A and consumes 170W, delivering a rotational speed of 4400 RPM. The motor employs a sensorless FOC (Field-Oriented Control) algorithm, which ensures smooth torque delivery, low cogging, and minimal electromagnetic noise. Speed regulation is accomplished through either a 0–10V analog signal, a PWM input (frequency range 1kHz–10kHz), or a 4–20mA current loop, providing seamless integration with building management systems, thermostat controllers, or custom PLC logic. The control board is potted with conformal coating, offering protection against condensation and dust ingress up to IP54 in the motor cavity.

Mechanical construction centers on a die-cast aluminum endcap and housing, which not only provides robust mounting points (four threaded inserts on both inlet and outlet flanges) but also acts as a heat sink for the motor drive electronics, keeping junction temperatures below 85°C even at continuous full-load operation. The rotor shaft is supported by two deep-groove ball bearings (6201 series) with high-temperature grease, rated for L10 life of 50,000 hours at 70°C ambient temperature. For applications requiring enhanced durability, optional sealed bearings with extended lubrication intervals can be specified. The electrical interface comprises a 500mm long, 20AWG lead wire with stripped ends, though custom connectors (Molex, JST, or waterproof IP67) and longer cables are available on request. The fan includes solid-state protections for reverse polarity, under/over-voltage (trip below 85V or above 300V), over-current (electronic fuse at 4.5A), and over-temperature (thermal derating above 95°C). These features, combined with CE marking and UL 507 certification, ensure compliance with North American and European safety standards. The FB3G190-12APS-90 is also configurable for 50Hz or 60Hz operation without hardware changes, and FANOVA's engineering team can supply customized performance curves, vibration limits, and balanced assemblies (G2.5 or better) for medical, food processing, and precision HVAC applications.

DC Backward Curved Centrifugal Fan
Type	FB3G190-12APS-90
Model	BLDCEC92

Ⅰ.When taking out the fan, do not directly lift the fan lead wire. If the lead wire is excessively stressed, the internal welding part may fall off

Ⅱ.Do not plug or unplug the fan lead plug when the fan is running

Ⅲ.If the fan does not work after starting, do not touch the impeller, rotor, or other parts, professional technical personnel are required to inspect the fan to prevent sudden start of the fan from causing hand or other personal injury

Ⅳ.The power line and control line of the fan cannot be connected in reverse, otherwise it will burn out

Ⅴ.Because of the soft start characteristics of the fan, to prevent personal injury, do not touch the impeller or other parts of the fan during powered on or running at low speeds

Ⅵ.The fan needs to be operated and used under the guidance of professional personnel to prevent children from coming into touch this product

Ⅶ.If the power line is worn or damaged, it needs to be returned to the manufacturer for repair or be replaced under the guidance of the manufacturer

Ⅷ.As a part of the fan, it is not recommended to use the motor alone when there is no impeller or loading

1. High Efficiency: The FB3G190-12APS-90 delivers 901.3 m3/h at 948 Pa while drawing only 170W, achieving 30-40% energy savings over equivalent AC fans through FANOVA's BLDC motor technology.

2. Industrial-Grade Impeller: The 190mm galvanized steel sheet impeller resists corrosion, wear and high temperatures, making the fan suitable for harsh industrial environments and corrosive gas streams.

3. Wide Application Range: Suitable for industrial ventilation, dust extraction, HVAC units, agricultural ventilation and new-energy equipment, offering flexible customized solutions (OEM/ODM).

4. Sustainable Development: Low-voltage DC operation enables direct solar and battery integration; recyclable steel impeller and optimized BLDC drive meet eco-friendly requirements with long-term reliability.

5. Easy Installation and Maintenance: Compact 190mm footprint, 0-10VDC/PWM speed control, FG tach output and standard cable make the fan simple to wire, control and service.

Q1:What kind of payments do you support?

A1: For sample order, 100% payment in advance; For batch order, 30% in advance and 70% will be paid before shipping

Q2.Will you provide samples?

A2: Sample is available and can be delivered within 10days

Q3:How can I choose a more suitable model?

A3: We need the information like fan type, quantity, size, material, voltage, air flow and static pressure.

Q4:How can I place the order?

A4:  Usually quote you within 24 hours  after  we get your inquiry. First sign the PI,pay deposit,then we will arrange the production.After finished production need you pay balance. Finally we will ship the Goods.

Q5:About transportation

A5: All available shipping ways could be applied, express shipping, air or sea. Appointed shipping company or our own forwarders all could be used in shipment. Full-way tracking the cargos for you before the goods arrive. 

Q6:How long is the warranty period?

A6: We currently offer 3-year quality guarantee for our own products, and in response to current product problems, our company provides line support, and some customers have been able to improve their products.