Reference model
ebm-papst
K3G710
RadiCal / K3G-series · EC backward-curved centrifugal
plug fan · Ø710 mm
→
LONGWELL series
Nearest listed size · dimensions per LONGWELL drawing · 15–30 day production lead time
Specification Comparison
| Specification |
ebm-papst K3G710 |
LONGWELL LWBE3G630 |
| Fan type |
EC backward-curved centrifugal plug fan |
EC backward-curved centrifugal plug fan |
| Impeller diameter |
Ø710 mm |
No listed Ø710 mm model — nearest listed size Ø630 mm (LWBE3G630, 7 models) |
| Airflow range |
2,200–16,500 m³/h |
up to 21,742 m³/h per Ø630 unit — larger duties as FanGrid arrays |
| Static pressure (max) |
1700 Pa |
up to 1,677 Pa (Ø630 unit) |
| Motor power (max) |
7,500 W |
up to 5,600 W per unit |
| Noise floor (Lw) |
43 dB(A) |
from 66 dB(A) (nameplate, per model) |
| Voltage |
380–480 V 3Φ |
380–400 V 3Φ |
| Control input |
0–10 V / PWM / Modbus / EC-Control |
0–10 V / PWM / Modbus RTU (RS485) |
| IP rating |
IP54 / IP55 |
IP54 (per model) |
| Certifications |
CE · UL · VDE · EAC |
CE · RoHS |
| 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 |
LWBE3G630 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.
Nearest size + FanGrid option
Ø630 mm
nearest listed size with the same 0–10 V / PWM / Modbus RTU control; mounting per the LONGWELL drawing (not a drop-in for Ø710 mm).
Installation and control: what to check
Mechanical
LONGWELL does not currently list a Ø710 mm unit in this family. The nearest listed size is Ø630 mm (LWBE3G630); for the airflow of a single Ø710 mm fan, engineering proposes 2–4 smaller EC units in a FanGrid array or a custom development — mounting is not a drop-in.
Electrical & control
The LONGWELL LWBE3G630 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 LWBE3G630 is typically specified for Very large CRAH, industrial process exhaust, stadium/atrium HVAC. Common application categories include:
- Large CRAH
- Process exhaust
- Large RTU
Particularly suited for very large CRAH and industrial process exhaust applications.
FAQ
What should I check before using LONGWELL LWBE3G630 in place of ebm-papst K3G710?
Not as a drop-in: LONGWELL does not list a Ø710 mm model in this family. The nearest listed size is Ø630 mm (LWBE3G630); for equal airflow we propose a FanGrid array of smaller EC units or a custom development. Ask engineering with your duty point.
Where can I find efficiency data for LWBE3G630?
LONGWELL does not publish a single peak-efficiency figure for the LWBE3G630. 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 LWBE3G630 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 Ø710 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 LWBE3G630 typically used for?
LWBE3G630 is typically specified for Very large CRAH, industrial process exhaust, stadium/atrium HVAC. Particularly suited for very large CRAH and industrial process exhaust applications.
Evaluate a LONGWELL alternative to K3G710 — 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
Backward-Curved Centrifugal EC Fans range on longwellfans.com — request a quote on LWBE3G630 directly.
View on longwellfans.com →
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.