Representative image of the series — dimensions and configuration of this model are given in the drawing and data table below.

ImpellerØ310 mm12.2 in
Max airflow2,410 m³/h1,418 CFM
Max static pressure443 Pa1.78 in. wg
Voltage230 V
Speed1,750 rpm
Input power150 W
Noise75 dB(A)

LWBE3G310-092PS-12 EC Plug Fan Ø310 mm

Ø310 mm | EC | Max airflow 2,410 m³/h | Max static pressure 443 Pa | 75 dB(A)

SKU: LWBE3G310-092PS-12 Categories: Centrifugal Fans, Impeller Ø250–310 mm, Plug Fans (RLM Plenum Fans)

Factory direct
OEM / ODM
Samples in 1–3 days
Production 15–30 days
12-month warranty
CE · ETL · RoHS

PDFDatasheet (PDF)electrical & performance dataPDFFull product catalogueEC ( ) EC plug fans #1 · SKU on PDF p. 33

All files for LWBE3G310-092PS-126 files · direct download

PDFFull product catalogue · model on PDF p. 33 WEBPDimensional drawing WEBPPerformance curve WEBPWiring diagram DOCXDatasheet

CAD models (STEP / DWG) are released on request — see “Engineering files” below. Another format or a non-standard variant? Ask an engineer · download center

Proven in: AHU & ventilation unit fans · CRAH FanGrid retrofit · Heat pump fan programme — all case studies on longwellfans.com

Cross-reference: same impeller size class as ebm-papst K3G310, ebm-papst R3G310, ebm-papst RadiPac 310, Ziehl-Abegg RH31C — side-by-side comparison on longwellfans.com. Mounting is confirmed against the LONGWELL drawing before ordering.

Typical applications: Industrial AHUs · Air conditioning · Air handling units · FanGrid arrays — all industries

Engineering files (on request)

CAD files exist for this model and can be released for assembly checks in SolidWorks / CATIA / Creo / Inventor.

CAD models contain the blade geometry and are not downloadable. Tell us the project; an engineer sends the file after a short check, normally within 1 business day.

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WhatsApp / Phone+86 183 5827 4663 E-mail an engineersales@longwellfans.com Files for LWBE3G310-092PS-12datasheet · catalogue · drawings · curves — listed above

Samples 1–3 days · fee credited to your order
From ~30 pcs for a first validation order
T/T 30 / 70 · FOB / CIF / DDP
100% tested · 12-month warranty
How ordering works →

Required airflow Required static pressure

Digitised from the catalogue curve at standard air (20 °C, 101.3 kPa, 1.2 kg/m³); one curve per voltage / speed grade (3 here, rated 230 V). Data version: catalogue 2026-08. The system resistance curve depends on the actual ductwork — confirm the operating point on site. Need an engineer to verify the duty point? Contact us or add the model to your RFQ and note the duty point.

LONGWELL 310mm EC Backward Curved Centrifugal Fan for High-Efficiency HVAC & Air Handling | LWBE3G310 · open in video library

Quiet & Stable, Rooted in Precision Dynamic Balancing | LWBE3G310-102NS · open in video library

LWBE3G310-092PS-12 Dimensional drawing — **Dimensional drawing**Dimensions in mm. Confirm against the final approval drawing before machining cut-outs.

LWBE3G310-092PS-12 Performance curve (P-Q) — **Performance curve (P-Q)**Static pressure vs. airflow. Curve numbers correspond to supply voltage / speed grades.

LWBE3G310-092PS-12 Wiring diagram — **Wiring diagram**Lead colours and terminal assignment; TK = motor thermal contact.

Downloads for LWBE3G310-092PS-12

PDFFull product catalogue · EC ( ) EC plug fans #1 · model on PDF p. 33 · 48.6 MB DOCXDatasheet · 601 KB PDFDatasheet · 573 KB

Need a non-standard size or another format? Ask an engineer or search the download center.

LWBE3G310-092PS-12 is a LONGWELL EC Plug Fan from the Plug Fans (RLM Plenum Fans) range, impeller Ø310 mm, rated 230 V EC, maximum airflow 2,410 m³/h, maximum static pressure 443 Pa, noise 75 dB(A), input power 150 W. The EC motor integrates the drive electronics: stepless speed control by 0–10 V or PWM signal, speed feedback and high efficiency at part load.

Technical data

Model	LWBE3G310-092PS-12
Series	LWBE3G310
Motor type	EC
Phase	1-phase
Rated voltage	230 V
Frequency	50 Hz
Current	1.2 A
Input power	150 W
Speed	1,750 rpm
Max. airflow	2,410 m³/h
Max. airflow (CFM)	1,418 CFM
Max. static pressure	443 Pa
Noise	75 dB(A)
Ambient temperature	-25 ~ 60 °C
Storage temperature	-25 ~ 70℃
Humidity	0 ~ 85 % RH
Altitude	< 1000m
Impeller diameter	Ø310 mm
Rotor diameter	92 mm
Impeller material	Aluminum Alloy( Impeller )
Protection class	IP44
Insulation class	F
Bearing	Maintenance-free deep groove ball bearings
Duty	S1
Balance grade	G6.3
Vibration standard	JB/T 8689
Service life	40,000Hours(L10), At 40 °Croom, humidity 15%~65%RH
Speed control	Control input 0~10VDC/PWM
Control signal	Control signal VSP voltage range1±0.1VDC~9.5±0.2VDC(During normal operation, when the VSP voltage is below 1.0±0.1VDC, the motor switches from operating mode to standby mode)
Speed feedback	Tach output: 4 Pulse/R; FG internal open circuit output, external pull-up resistor R, pull-up voltage V+
Auxiliary output	Output 10VDC, Max Current 10 mA
Protection functions	Current limiting protection , Over-temperature protection, Over-current protectionLocked-rotor protection’ , Input power supply lacks phase protection
Soft start	Delay time <30 seconds to full speed

Typical applications

Air handling units (AHU) and rooftop units (RTU)
Data-center CRAH / CRAC units and fan walls
Dust extraction and process ventilation
Fan filter units and air purifiers

Series LWBE3G310: models in the same series share the impeller and motor platform and differ in speed grade, voltage or lead-out / terminal-box configuration — compare them in the table below or ask for the best fit at your duty point.

Nameplate values: maximum airflow is measured at zero static pressure and maximum static pressure at zero airflow; the two never occur together. Confirm the operating point on the performance curve. Final selection is subject to the duty point (airflow / static pressure / voltage / control mode) and project verification.

Alternatives with the same impeller (Ø310 mm · EC)

Same impeller, different speed grade, power or wiring. Step up for more airflow, step down for lower noise.

Model	Max airflow	Max static pressure	Speed	Power	Noise	Voltage
LWBE3G310-092PS-12 this model	2,410 m³/h	443 Pa	1,750 rpm	150 W	75 dB(A)	230 V
LWBE3G310-092PS-11	2,235 m³/h	474 Pa	1,850 rpm	160 W	75 dB(A)	230 V	View
LWBE3G310-092NS-20	2,235 m³/h	474 Pa	1,850 rpm	160 W	75 dB(A)	230 V	View
LWBE3G310-092NS-17	2,410 m³/h	443 Pa	1,750 rpm	150 W	75 dB(A)	230 V	View
LWBE3G310-102NS-16	2,868.6 m³/h	630 Pa	2,150 rpm	285 W	70 dB(A)	230 V	View
LWBE3G310-102PS-02	2,869 m³/h	630 Pa	2,150 rpm	285 W	70 dB(A)	230 V	View
LWBE3G310-102PS-16	2,884 m³/h	963 Pa	2,600 rpm	450 W	78 dB(A)	230 V	View
LWBE3G310-102NS-18	2,884 m³/h	963 Pa	2,600 rpm	450 W	78 dB(A)	230 V	View
LWBE3G310-102PS-15	2,936 m³/h	700 Pa	2,300 rpm	370 W	76 dB(A)	230 V	View
LWBE3G310-102NS-19	2,936 m³/h	700 Pa	2,300 rpm	370 W	76 dB(A)	230 V	View
LWBE3G310-138PT-04	4,398 m³/h	824 Pa	2,600 rpm	980 W	74 dB(A)	400 V	View
LWBE3G310-138NT-05	4,398.1 m³/h	824 Pa	2,600 rpm	980 W	74 dB(A)	400 V	View
LWFE3G310-102PT-09	5,150 m³/h	1,730.4 Pa	3,000 rpm	1,100 W	85 dB(A)	400 V	View
LWBE3G310-138NT-25	5,592.9 m³/h	1,082 Pa	3,300 rpm	1,588 W	92 dB(A)	400 V	View
LWBE3G310-138PT-10	5,593 m³/h	1,082 Pa	3,300 rpm	1,588 W	92 dB(A)	400 V	View