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ebm-papst D2E146 Alternative — LONGWELL LWFE3G146

Looking for an alternative for ebm-papst D2E146-AP47-22? The LONGWELL LWFE3G146 is the same-size alternative — same control protocol, mounting dimensions on the LONGWELL drawing, performance characterized using AMCA 210/211 test methods (test report on request) — at 40–55% lower landed cost with 15–30 day delivery vs 14–22 weeks ex-works ebm-papst. Widely deployed across Fan coil unit, ERV/HRV core, commercial dryer.

Replaces: ebm-papst D2E146-AP47-22 Diameter: Ø146 mm Family: D-series double-inlet → LONGWELL LWBE3G / LWAE3G / LWHV / LWFC Sample: 1–3 days
Replacing
ebm-papst
D2E146
D-series double-inlet · EC double-inlet forward-curved blower · Ø146 mm
→
With
LONGWELL
LWFE3G146
Same size class (Ø146 mm) — mounting per drawing · Same control · 15–30 day delivery

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 IP54 std · IP55 / IP67 option
Certifications CE · UL · VDE · EAC CE · ETL (UL 507 / CSA C22.2 No.113) · RoHS · REACH
Sample lead time 4–10 weeks 1–3 days
Series lead time (≤500 units) 14–22 weeks 15–30 days
Landed cost index (LONGWELL = 100) 175–200 100 (baseline)
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

Why Engineers Switch from D2E146 to LWFE3G146

4–8× Faster Delivery

15–30 days
vs 14–22 weeks ex-works for ebm-papst in 2026. Sample units 1–3 days from stock vs 4–10 weeks.

40–55% Lower Landed Cost

−€600 to −€2,400
per unit at equivalent spec, depending on size and quantity. On a 50-unit FanGrid retrofit, typical CapEx delta is €30k–€120k.

Drop-in Candidate · Same Size Class

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

Drop-in compatibility: what matches and what to confirm

Mechanical match

The LONGWELL LWFE3G146 matches the ebm-papst D2E146 mounting pattern (M-mount, ISO 9001 plenum-fan footprint) per the mounting dimensions on the LONGWELL drawing. Inlet ring diameter, motor shaft height, and electrical termination box position are identical. In most retrofits no plate modification is needed — confirm the mounting dimensions against the LONGWELL drawing before ordering.

Electrical & control match

The LWFE3G146 accepts the same 0–10 V analog speed reference, PWM (1 kHz), and Modbus RTU (RS485) control signals as ebm-papst D2E146. LONGWELL provides the Modbus register map and a cross-reference to the ebm-papst map for BMS integration.For ebm-papst-specific bus protocols (EC-Control), ask LONGWELL engineering for the integration options.

Performance match

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 widely deployed across 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

Is LONGWELL LWFE3G146 a true drop-in replacement for ebm-papst D2E146?
Same size class and control interface. Confirm the mounting hole pattern, inlet ring diameter and shaft height against the dimensioned drawing on the LONGWELL LWFE3G146 model page before ordering; it accepts the same 0–10 V analog / PWM / Modbus RTU control signals and is offered in the voltages listed in the table above.
How does LWFE3G146 compare on efficiency to D2E146?
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's the 2026 lead time difference?
As of May 2026: ebm-papst D2E146 requires 14–22 weeks ex-works due to ongoing allocation. 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.
What's the cost delta?
At equivalent specification (same Ø, same airflow/Pa, same IP, same control), LONGWELL LWFE3G146 typically lands at 40–55% below ebm-papst D2E146 ex-works pricing. Final pricing depends on quantity, voltage, IP rating, and control protocol options.
What applications is LWFE3G146 typically used for?
LWFE3G146 is widely deployed across Fan coil unit, ERV/HRV core, commercial dryer. Particularly suited for ERV/HRV core fan and FCU residential indoor units.

Replace your 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.

Request Sample View Full Cross-Reference Table
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.