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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 free wheel 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 RS485 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.

Backward Curved Centrifugal Fan

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)

DC Centrifugal Fan Backward Curved D(133-400)

EC Centrifugal Fan Backward Curved D(133-250)

EC Centrifugal Fan Backward Curved D(133-250)

EC Centrifugal Fan Backward Curved D(280-630)

EC Centrifugal Fan Backward Curved D(280-630)
 

Application

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
PB3N500B4EM 380 VAC 870 W 1100 RPM 8000 M³/H 450 Pa EC Inquire
PB3N133B2EH 230 VAC 48 W 4480 RPM 460 M³/H 475 Pa EC Inquire
PB3N133B24H 24 VDC 33.6 W 3900 RPM 360 M³/H 382 Pa DC Inquire
PB3N133B24M 24 VDC 36 W 4100 RPM 276 M³/H 462 Pa DC Inquire
PB3N133B24U 24 VDC 40.8 W 4450 RPM 409 M³/H 492 Pa DC Inquire
PB3N133B48H 48 VDC 33.6 W 3900 RPM 360 M³/H 382 Pa DC Inquire
PB3N133B48M 48 VDC 36 W 4100 RPM 276 M³/H 462 Pa DC Inquire
PB3N133B48U 48 VDC 40.8 W 4450 RPM 409 M³/H 492 Pa DC Inquire
PB3N175B2EH 230 VAC 105 W 4460 RPM 810 M³/H 744 Pa EC Inquire
PB3N175B12H 12 VDC 44 W 3300 RPM 610 M³/H 512 Pa DC Inquire
PB3N175B24H 24 VDC 38.4 W 3100 RPM 565 M³/H 402 Pa DC Inquire
PB3N175B24U 24 VDC 72 W 3900 RPM 695 M³/H 637 Pa DC Inquire
PB3N175B48H 48 VDC 38.4 W 3100 RPM 565 M³/H 402 Pa DC Inquire
PB3N175B48U 48 VDC 72 W 3900 RPM 695 M³/H 637 Pa DC Inquire
PB3N190B2EH 230 VAC 140 W 4000 RPM 800 M³/H 882 Pa EC Inquire
PB3N190B2EM 230 VAC 93 W 3570 RPM 795 M³/H 686 Pa EC Inquire
PB3N190B24H 24 VDC 81.6 W 3300 RPM 560 M³/H 627 Pa DC Inquire
PB3N190B24M 24 VDC 57.6 W 2950 RPM 620 M³/H 473 Pa DC Inquire
PB3N190B48H 48 VDC 81.6 W 3300 RPM 560 M³/H 627 Pa DC Inquire
PB3N190B48M 48 VDC 57.6 W 2950 RPM 620 M³/H 473 Pa DC Inquire
PB3N220B2EH 230 VAC 170 W 3600 RPM 1100 M³/H 840 Pa EC Inquire
PB3N220B2EM 230 VAC 95 W 3060 RPM 1080 M³/H 648 Pa EC Inquire
PB3N220B24H 24 VDC 115.2 W 3150 RPM 1055 M³/H 699 Pa DC Inquire
PB3N220B48H 48 VDC 115.2 W 3150 RPM 1055 M³/H 699 Pa DC 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
PB3N310B2EL 230 VAC 135 W 1630 RPM 2300 M³/H 394 Pa EC Inquire
PB3N310B2EM 230 VAC 167 W 2050 RPM 2310 M³/H 640 Pa EC Inquire
PB3N310B2EU 230 VAC 420 W 2680 RPM 2740 M³/H 992 Pa EC Inquire
PB3N310B4EU 380 VAC 980 W 2600 RPM 4300 M³/H 1000 Pa EC Inquire
PB3N310B24H 24 VDC 211.2 W 1930 RPM 2620 M³/H 578 Pa DC Inquire
PB3N310B24L 24 VDC 124.8 W 1600 RPM 2175 M³/H 502 Pa DC Inquire
PB3N310B24M 24 VDC 134.4 W 1750 RPM 2050 M³/H 490 Pa DC Inquire
PB3N310B24U 24 VDC 163 W 2060 RPM 2200 M³/H 640 Pa DC Inquire
PB3N310B48H 48 VDC 211.2 W 1930 RPM 2620 M³/H 578 Pa DC Inquire
PB3N310B48L 48 VDC 124.8 W 1600 RPM 2175 M³/H 502 Pa DC Inquire
PB3N310B48M 48 VDC 134.4 W 1750 RPM 2050 M³/H 490 Pa DC Inquire
PB3N310B48U 48 VDC 163 W 2060 RPM 2200 M³/H 640 Pa DC Inquire
PB3N355B2EH 230 VAC 357 W 2050 RPM 3270 M³/H 820 Pa EC Inquire
PB3N355B2EL 230 VAC 467 W 1930 RPM 3720 M³/H 740 Pa EC Inquire
PB3N355B4EM 380 VAC 1500 W 2500 RPM 5400 M³/H 1300 Pa EC Inquire
PB3N355B24H 24 VDC 163 W 1580 RPM 2600 M³/H 487 Pa DC Inquire
PB3N355B24M 24 VDC 174 W 1440 RPM 2890 M³/H 406 Pa DC Inquire
PB3N355B48H 48 VDC 163 W 1580 RPM 2600 M³/H 487 Pa DC Inquire
PB3N355B48M 48 VDC 174 W 1440 RPM 2890 M³/H 406 Pa DC Inquire
PB3N355B48U 48 VDC 340.8 W 1770 RPM 3357 M³/H 584 Pa DC Inquire
PB3N400B2EM 230 VAC 280 W 1500 RPM 3410 M³/H 545 Pa EC Inquire
PB3N400B2EX 230 VAC 300 W 1360 RPM 3800 M³/H 560 Pa EC Inquire
PB3N400B4EL 380 VAC 720 W 1580 RPM 5400 M³/H 530 Pa EC Inquire
PB3N400B24H 24 VDC 202 W 1290 RPM 3000 M³/H 473 Pa DC Inquire
PB3N400B24L 24 VDC 187 W 1190 RPM 3300 M³/H 382 Pa DC Inquire
PB3N400B24M 24 VDC 74 W 1280 RPM 2080 M³/H 346 Pa DC Inquire
PB3N400B48H 48 VDC 202 W 1290 RPM 3000 M³/H 473 Pa DC Inquire
PB3N400B48L 48 VDC 187 W 1190 RPM 3300 M³/H 382 Pa DC Inquire
PB3N400B48M 48 VDC 74 W 1280 RPM 2080 M³/H 346 Pa DC Inquire
PB3N450B2EH 230 VAC 700 W 1450 RPM 7100 M³/H 580 Pa EC Inquire
PB3N450B2EL 230 VAC 1030 W 1700 RPM 8050 M³/H 800 Pa EC Inquire
PB3N500B2EL 230 VAC 1125 W 710 RPM 7400 M³/H 400 Pa EC Inquire
PB3N500B4EM 380 VAC 870 W 1100 RPM 8000 M³/H 450 Pa EC Inquire
PB3N560B4EM 380 VAC 770 W 850 RPM 9100 M³/H 320 Pa EC Inquire
PB3N630B4EM 380 VAC 2700 W 1250 RPM 18500 M³/H 890 Pa EC Inquire

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