LONGWELL 400mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V, for Cold Storage, Air Purifiers, HVAC Systems

$ 80

Get a Fast Quote from an Engineer Send your airflow, static pressure & voltage — we reply within one working day with a matching model.
✓ 1-day reply ✓ STEP / CAD on request ✓ Factory-direct

Your specifications go straight to a sales engineer — no spam, never shared.

Prefer a datasheet?
Download Product Catalog (PDF)
Need the exact model with a measured or digitised curve? This page describes the Backward Curved Centrifugal Fans range. The Fan Selector lists every LONGWELL backward-curved centrifugal fan model with airflow, static pressure, power, noise, drawing and datasheet.
Search backward-curved centrifugal fan models →
Have your duty point?

See every LONGWELL model whose P-Q curve covers it — margins, noise and power included. No login.

Library: Ø25–1,000 mm, single units up to about 52,000 m³/h — larger duties go straight to an engineer. Prefer to talk it through? Send your specs to an engineer

Description

Types :

Backward Centrifugal Fan Industrial Centrifugal Duct Fan 400 Mm AC 230V 115V 380V AC External Rotor Motor 50 / 60 HZ Lwba-400mm
Voltage Ranges :

230V,380V; 
Frequency :

50/60 Hz
Diamter :

400mm ( impeller diameters )
Motor Types :

BLEC External Rotor Motor 
Speed Control :

0-10V Signal / PWM / RS485(Optional)
Max.ambient Temp:

-25℃~ +60℃
Certificating :

All necessary certifications suitable for USA & Europe , ETL,UL ,CE ,RoHS, ISO19001,ISO 14001,BSCI
Protection Level:

IP44 ,IP54,IP55
Electronic Protection:

Current limiting protection ,Over-temperature protection,Over-current protection,Locked-rotor protection,Soft start
Working & Storage

Operating temperature:-25~60℃;Operating humidity:0 ~ 85 % RH
Storing temperature:-25 ~ 70℃;Storing humidity:0 ~ 95 % RH
Applicable altitude range:<1000m
Balancing

According to JB/T 9101-1999 requirements G6.3
Product Standards :

LVD EN60950-1 EMC EN61000-6-3,EN61000-4-2, EN61000-4-3
Mainly Applications

AUH/ AIR PURIFIER / Server Cooling & Ventilation / Grow Tent /Ventilation SYSTEM/ Equipments Cooling /Refrigerator ,etc;ventilation fan cooling;ventilation exhaust fans

Reviews

There are no reviews yet.

Be the first to review “LONGWELL 400mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V, for Cold Storage, Air Purifiers, HVAC Systems”

Your email address will not be published. Required fields are marked *

More in this series

LONGWELL 133mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V, 30 W, for Cold Storage, Air Purifiers, HVAC SystemsLONGWELL 133mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V, 30 W, for Cold Storage, Air Purifiers, HVAC SystemsView & InquireLONGWELL 92mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V IP44, 494 m³/h Airflow, 371 Pa Static Pressure – LWBA2E180-092NS-02LONGWELL 92mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V IP44, 494 m³/h Airflow, 371 Pa Static Pressure – LWBA2E180-092NS-0292 mm494 m³/h230 VDatasheet, curve & drawing →LONGWELL 92mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 380V IP44, 1288 m³/h Airflow, 597 Pa Static Pressure – LWBA2D250-092NT-10LONGWELL 92mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 380V IP44, 1288 m³/h Airflow, 597 Pa Static Pressure – LWBA2D250-092NT-1092 mm1288 m³/h380 VDatasheet, curve & drawing →LONGWELL 92mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V IP44, 457 m³/h Airflow, 368 Pa Static Pressure – LWBA2E190-092NS-03LONGWELL 92mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V IP44, 457 m³/h Airflow, 368 Pa Static Pressure – LWBA2E190-092NS-0392 mm457 m³/h230 VDatasheet, curve & drawing →LONGWELL LWBE3G355-138PT-20 EC Backward-Curved Centrifugal Fan — Ø355 mm Impeller, 380 VAC, With bracketLONGWELL LWBE3G355-138PT-20 EC Backward-Curved Centrifugal Fan — Ø355 mm Impeller, 380 VAC, With bracket138 mm5356 m³/h400 VDatasheet, curve & drawing →LONGWELL 92mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 380V IP44, 824 m³/h Airflow, 227 Pa Static Pressure – LWBA4D250-092NT-04LONGWELL 92mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 380V IP44, 824 m³/h Airflow, 227 Pa Static Pressure – LWBA4D250-092NT-0492 mm824 m³/h380 VDatasheet, curve & drawing →LONGWELL 225mm EC Plug Fan, EC Centrifugal Blower Fan, 230V IP55, 170 W, for AHU, FFU, Data Center CoolingLONGWELL 225mm EC Plug Fan, EC Centrifugal Blower Fan, 230V IP55, 170 W, for AHU, FFU, Data Center Cooling4 in230 V4000 RPMView & InquireLONGWELL 310MM EC Plug Fan, EC Centrifugal Blower Fan, 230V, 220 W, Aluminum Alloy, for AHU, FFU, Data Center CoolingLONGWELL 310MM EC Plug Fan, EC Centrifugal Blower Fan, 230V, 220 W, Aluminum Alloy, for AHU, FFU, Data Center Cooling4 in230 V4000 RPMView & InquireLONGWELL LWBE3G250-102NS-20 EC Backward-Curved Centrifugal Fan — Ø250 mm Impeller, 230 VAC, Without housing / bracketLONGWELL LWBE3G250-102NS-20 EC Backward-Curved Centrifugal Fan — Ø250 mm Impeller, 230 VAC, Without housing / bracket102 mm3038.5 m³/h230 VDatasheet, curve & drawing →LONGWELL 92mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V IP44, 505 m³/h Airflow, 386 Pa Static Pressure – LWBA2E175-092NS-04LONGWELL 92mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V IP44, 505 m³/h Airflow, 386 Pa Static Pressure – LWBA2E175-092NS-0492 mm505 m³/h230 VDatasheet, curve & drawing →

Related for the same application

LONGWELL 60x15mm DC Axial Cooling Fan, Brushless DC Cooling Fan, 5V – LWAD6015KX-01LONGWELL 60x15mm DC Axial Cooling Fan, Brushless DC Cooling Fan, 5V – LWAD6015KX-0160x150.59 m³/h5 VDatasheet, curve & drawing →LONGWELL 175mm DC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 24V, for Air Purifiers, AHU, FFULONGWELL 175mm DC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 24V, for Air Purifiers, AHU, FFUView & InquireLONGWELL LWBE3G280-102NU-22 EC Backward-Curved Centrifugal Fan — Ø280 mm Impeller, 115 V, Without housing / bracketLONGWELL LWBE3G280-102NU-22 EC Backward-Curved Centrifugal Fan — Ø280 mm Impeller, 115 V, Without housing / bracket102 mm3090 m³/h115 VDatasheet, curve & drawing →LONGWELL 72mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V IP44, 483 m³/h Airflow, 357 Pa Static Pressure – LWBA2E190-072NS-01LONGWELL 72mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V IP44, 483 m³/h Airflow, 357 Pa Static Pressure – LWBA2E190-072NS-0172 mm483 m³/h230 VDatasheet, curve & drawing →LONGWELL 180mm Forward Curved Centrifugal Blower, Forward Curved Blower Fan, 220V, for Data Center Cooling, Cleanroom Ventilation, Control Cabinet Cooling – LWFA-180LONGWELL 180mm Forward Curved Centrifugal Blower, Forward Curved Blower Fan, 220V, for Data Center Cooling, Cleanroom Ventilation, Control Cabinet Cooling – LWFA-180220V4000rpmAC external rotor motorView & InquireLONGWELL 92mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 380V IP44, 855 m³/h Airflow, 165 Pa Static Pressure – LWBA4D250-092NT-19LONGWELL 92mm AC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 380V IP44, 855 m³/h Airflow, 165 Pa Static Pressure – LWBA4D250-092NT-1992 mm855 m³/h380 VDatasheet, curve & drawing →LONGWELL 200mm AC Axial Fan, Industrial Axial Ventilation Fan, 380/400V IP44, 1009 m³/h Airflow – LWAA2E200S-7MEB-04LONGWELL 200mm AC Axial Fan, Industrial Axial Ventilation Fan, 380/400V IP44, 1009 m³/h Airflow – LWAA2E200S-7MEB-04200 mm1009 m³/h380/400 VDatasheet, curve & drawing →LONGWELL 300mm AC Axial Fan, Industrial Axial Ventilation Fan, 380/400V IP44, 3296 m³/h Airflow – LWAA2D300S-5MEW-06LONGWELL 300mm AC Axial Fan, Industrial Axial Ventilation Fan, 380/400V IP44, 3296 m³/h Airflow – LWAA2D300S-5MEW-06300 mm3296 m³/h380/400 VDatasheet, curve & drawing →LONGWELL 102mm EC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 400V IP55, 3708 m³/h Airflow, 1751 Pa Static Pressure – LWFE3G250-102PT-08LONGWELL 102mm EC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 400V IP55, 3708 m³/h Airflow, 1751 Pa Static Pressure – LWFE3G250-102PT-08102 mm3708 m³/h400 VDatasheet, curve & drawing →LONGWELL 80x38mm DC Axial Cooling Fan, Brushless DC Cooling Fan, 12V – LWAD8038LL-11LONGWELL 80x38mm DC Axial Cooling Fan, Brushless DC Cooling Fan, 12V – LWAD8038LL-1180x381.9 m³/h12 VDatasheet, curve & drawing →
Explore related
Free engineering calculators for this fan