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ebm-papst D2E146 Alternative — LONGWELL LWFE3G146

Looking for an alternative for ebm-papst D2E146-AP47-22? The LONGWELL LWFE3G146 has the same impeller diameter. Catalogue ratings, measured curves and dimensioned drawings for every model are on the LONGWELL Fan Selector; final selection is made at your duty point. Typical applications: Fan coil unit, ERV/HRV core, commercial dryer.

Reference model: ebm-papst D2E146-AP47-22 Diameter: Ø146 mm Family: D-series double-inlet → LONGWELL LWBE3G / LWAE3G / LWFC Sample: 1–3 days
Reference model
ebm-papst
D2E146
D-series double-inlet · EC double-inlet forward-curved blower · Ø146 mm
→
LONGWELL series
LONGWELL
LWFE3G146
Same impeller diameter (Ø146 mm) · dimensions per LONGWELL drawing · 15–30 day production lead time

Specification Comparison

Specification ebm-papst D2E146 LONGWELL LWFE3G146
Fan type EC double-inlet forward-curved blower EC double-inlet forward-curved blower
Impeller diameter Ø146 mm Ø146 mm 5 models
Airflow range 200–900 m³/h up to 1,133 m³/h
Static pressure (max) 400 Pa up to 876 Pa
Motor power (max) 180 W up to 220 W
Noise floor (Lw) 58 dB(A) from 59 dB(A) (nameplate, per model)
Voltage 200–240 V 1Φ 220–230 V 1Φ
Control input 0–10 V / PWM / Modbus / EC-Control 0–10 V / PWM / Modbus RTU (RS485)
IP rating IP54 / IP55 IP44 / IP55 (per model)
Certifications CE · UL · VDE · EAC CE · RoHS · ETL (UL 507 / CSA C22.2 No.113)
Sample lead time Per manufacturer quotation 1–3 days
Series lead time (≤500 units) Per manufacturer quotation 15–30 days
Pricing Per manufacturer quotation Quoted per project
Verify it on the LONGWELL selector: all 5 LWFE3G146 models — data, measured curves, drawings · LWFE3G146-092DS-05 (largest airflow in the series) · check your own duty point · samples, MOQ and lead time

LWFE3G146 at a glance

Production Lead Time

15–30 days
Ex works for production batches. Stock standard models ship as samples in 1–3 days.

Pricing

Quoted per project
Price depends on model, voltage, control option and quantity. Sample fees are credited in full against the first production order.

Same Impeller Diameter

Ø146 mm
Same impeller diameter; confirm the mounting hole pattern and inlet ring against the LONGWELL drawing before ordering.

Installation and control: what to check

Mechanical

Mounting dimensions, inlet ring diameter, motor shaft height and terminal-box position of the LONGWELL LWFE3G146 are given on its dimensioned drawing. Compare them with the installed fan before ordering.

Electrical & control

The LONGWELL LWFE3G146 accepts a 0–10 V analog speed reference, PWM and Modbus RTU (RS485) control signals (per model; see the model datasheet). LONGWELL supplies its Modbus register map for BMS integration.For other bus protocols, ask LONGWELL engineering for the integration options.

Performance

The measured P-Q curve of every LONGWELL model is on its model page; we check your duty point against it before quoting.

Typical Applications

The LWFE3G146 is typically specified for Fan coil unit, ERV/HRV core, commercial dryer. Common application categories include:

  • FCU
  • ERV/HRV core
  • Compact dryer

Particularly suited for ERV/HRV core fan and FCU residential indoor units.

FAQ

What should I check before using LONGWELL LWFE3G146 in place of ebm-papst D2E146?
The impeller diameter is the same. Confirm the mounting hole pattern, inlet ring diameter and shaft height against the dimensioned drawing on the LONGWELL LWFE3G146 model page before ordering; the available control inputs (0–10 V / PWM / Modbus RTU) and voltages are listed in the table above.
Where can I find efficiency data for LWFE3G146?
LONGWELL does not publish a single peak-efficiency figure for the LWFE3G146. The model page on the selection site gives airflow, static pressure and input power along the curve (measured where marked, nameplate-estimated otherwise), so the efficiency at your duty point follows directly; a test report for a specific model is available from engineering on request.
What is the LONGWELL lead time?
LONGWELL LWFE3G146 ships in 15–30 days for orders up to 500 units and 6–10 weeks for 1,000+ unit OEM programs. Sample units ship in 1–3 days from stocked Ø146 mm inventory.
How is LONGWELL pricing determined?
LONGWELL quotes per project. Pricing depends on quantity, voltage, IP rating, and control protocol options.
What applications is LWFE3G146 typically used for?
LWFE3G146 is typically specified for Fan coil unit, ERV/HRV core, commercial dryer. Particularly suited for ERV/HRV core fan and FCU residential indoor units.

Evaluate a LONGWELL alternative to D2E146 — samples in 1–3 days

Send a quick request — model + quantity + delivery address. Sample unit ships in 1–3 days for field validation. Series production at 15–30 day lead time after PO.

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Official Product Page
Browse the full Forward-Curved Centrifugal EC Fans range on longwellfans.com — request a quote on LWFE3G146 directly.
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ebm-papst® is a registered trademark of ebm-papst Group. LONGWELL is an independent manufacturer and is not affiliated with, endorsed by, or sponsored by ebm-papst. Any references to third-party trademarks are used solely for identification and comparison purposes. All performance figures reflect specific test conditions; final selection should be confirmed by duty point, voltage/control, mounting and project validation.