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Backward Curved Centrifugal Fan

Backward Curved Centrifugal Fan

Backward Curved Centrifugal Fan

Backward Curved Centrifugal Fan

Backward Curved Centrifugal Fan

Backward Curved Centrifugal Fan

Backward Curved Centrifugal Fan

Backward Curved Centrifugal Fan

Centrifugal Fans, Backward Curved, Technical Features Overview

Higher Air Performance with Less Power Consumption

PBM's Backward Curved Centrifugal Fans, with aerodynamic impeller blades and a compact design, function as freewheel fans, offering optimized air output without the need for a scroll housing, and can be installed in any direction. AC and DC power supply are available for entire range of fans with integrated and intelligence EC technology motor, with inside or outside mounted international standard remote control R485 communication protocol that’s suitable to be adopted in IoE(Internet of Everything), IoT(Internet of Things), smart home system, Industry 4.0 and committed to Carbon Neutrality climate change by reducing customers carbon footprints. PFC(Power Factor Correction), up to λ>96%, is optional for electricity grad stabilization compliance in certain circumstances of applications. ErP2015 (Energy-related Products) Directive conformity, COMMISSION REGULATION (EU) No 327/2011 of 30 March 2011 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to eco-design requirements for fans driven by motors with an electric input power between 125 W and 500 kW.

Impeller Sizes:from 133mm to 560mm diameter;

Sound Level:from 60dBA to maximum 82dBA according different rotation speed;

Airflow: maximum to 16,300CMH, Cubic Meter per Hour, equal to approx. 9,593CFM , Cubic Feet per Minute;

Air Pressure:Maxim to 1,700Pa, equal to 173.5mm H2O and to 6.82 inches H2O;

Power: Maximum motor input power goes to 3.1KW (equal to 4.2hp, horsepower) at motor diameter 138mm.

DC Centrifugal Fan Backward Curved D(133-400)

EC Centrifugal Fan Backward Curved D(133-250)

EC Centrifugal Fan Backward Curved D(280-630)

Parameter summary table

Please click on the model in the corresponding table to go to the product details page.

Model Rated Voltage Rated Power Rated Speed Air Flow Air Pressure EC/DC/AC Inquire
PB3N225B2EH 230 VAC 135 W 3020 RPM 1340 M³/H 705 Pa EC Inquire
PB3N225B2EM 230 VAC 55 W 2200 RPM 1065 M³/H 347 Pa EC Inquire
PB3N225B24H 24 VDC 96 W 2600 RPM 1125 M³/H 540 Pa DC Inquire
PB3N225B48H 48 VDC 96 W 2600 RPM 1125 M³/H 540 Pa DC Inquire
PB3N250B2EH 230 VAC 387 W 3550 RPM 2060 M³/H 1030 Pa EC Inquire
PB3N250B2EL 230 VAC 123 W 2760 RPM 1290 M³/H 690 Pa EC Inquire
PB3N250B2EM 230 VAC 155 W 2780 RPM 1700 M³/H 716 Pa EC Inquire
PB3N250B24H 24 VDC 120 W 2650 RPM 1000 M³/H 550 Pa DC Inquire
PB3N250B24L 24 VDC 134.4 W 2600 RPM 1640 M³/H 530 Pa DC Inquire
PB3N250B24M 24 VDC 153.6 W 2630 RPM 1650 M³/H 595 Pa DC Inquire
PB3N250B48H 48 VDC 120 W 2650 RPM 1000 M³/H 550 Pa DC Inquire
PB3N250B48L 48 VDC 134.4 W 2600 RPM 1640 M³/H 530 Pa DC Inquire
PB3N250B48M 48 VDC 153.6 W 2630 RPM 1650 M³/H 595 Pa DC Inquire
PB3N280B2EH 230 VAC 390 W 2760 RPM 2800 M³/H 895 Pa EC Inquire
PB3N280B2EM 230 VAC 120 W 2000 RPM 2100 M³/H 460 Pa EC Inquire
PB3N280B2EN 230 VAC 230 W 2700 RPM 1930 M³/H 740 Pa EC Inquire
PB3N280B4EU 380 VAC 780 W 2850 RPM 2950 M³/H 1000 Pa EC Inquire
PB3N280B48H 48 VDC 216 W 2200 RPM 2300 M³/H 650 Pa DC Inquire
PB3N280B24L 24 VDC 115.2 W 1800 RPM 1960 M³/H 347 Pa DC Inquire
PB3N280B24M 24 VDC 230.4 W 2600 RPM 1930 M³/H 740 Pa DC Inquire
PB3N280B48L 48 VDC 115.2 W 1800 RPM 1960 M³/H 347 Pa DC Inquire
PB3N280B48M 48 VDC 230.4 W 2600 RPM 1930 M³/H 740 Pa DC Inquire
PB3N310B2EH 230 VAC 350 W 2300 RPM 2690 M³/H 660 Pa EC Inquire

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