175mm AC Backward Curved Centrifugal Fan, 115V 230V Centrifugal Blower Duct Fan, Plastic Impeller, NSK NMB Bearing, Multi-Speed for Refrigeration

175mm AC Backward Curved Centrifugal Fan, 115V 230V Centrifugal Blower Duct Fan, Plastic Impeller, NSK NMB Bearing, Multi-Speed for Refrigeration. Rated Airflow and Pressure: LWBA2E175-072NU-01 delivers 567 m3/h at 368 Pa on 115V; LWBA2E175-092NS-04 delivers 505 m3/h at 386 Pa on 230V, matched by model. AC Capacitor Motor: rated 35.5-66W and 0.15-0.42A across the four single-speed 175mm models, on 115V 60Hz or 230V 50/60Hz mains with NSK or NMB ball bearings. 3-Speed Option: LWBA2E175-092NS-05 runs three fixed speeds at 2530/2150/1850 rpm on 230V, giving 443/376/324 m3/h at 288/247/196 Pa per speed with a 1.5uF capacitor. 175mm Duct Mount Housing: overall depth spans 68.5-70mm across the five tested units, front face dia 175mm fixed by 4-M4 holes on a 58mm circle plus 4 holes of dia 4.5mm. Wide Temperature Range: motor rated -25 to +60 degC with Insulation Class B, so the Plastic + GF impeller keeps running in cold storage and warm plant rooms. OEM/ODM Customization: labels, wire length and design changes are available, with samples in 1-3 weeks and first production batches in 30-45 days after approval. 12 Listed Applications: ventilation, air conditioning, refrigeration, ICT/electronics, data centers and fan retrofitting are among the areas this line covers.