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Technical Requirements and Engineering Specification

On July 6, 2026, LONGWELL opened a project to prepare technical drawings for model LWCD-45350MN-06-14, a DC cross flow fan with PWM speed regulation. On July 7, 2026, LONGWELL engineering output the finalized standard technical drawing and specification sheet for customer design integration.

Cross-flow fan assembly with a metal tangential impeller and end-mounted motor
Representative cross-flow fan; project specifications are listed below.

The engineering drawing establishes the following baseline specifications for the unit:

Parameter Value / Specification
Model Number LWCD-45350MN-06-14
Nominal Voltage 24 VDC
Rated Current 0.38 A (±10%)
Input Power 9.1 W (±10%)
Rotational Speed 2000 r/min
Air Volume 194 m³/h
Bearings Ball bearing
Overall Length 408 ± 2 mm
Mounting Hole Distance 370 ± 1.5 mm
Outlet Length 350 mm
Lead Wire Length 4 Cable L=500 mm

Wiring and Physical Construction

The technical drawing specifies a 4-wire DC motor configuration with FG and PWM control interfaces. Structural materials comprise aluminum (Al) for the air inlet plate, air outlet plate, and 45 mm diameter impeller, along with iron side plates.

Project Scope and Deliverable

This project delivered the preliminary engineering drawing and standard specification sheet to evaluate physical dimensions, mounting points, and electrical interfaces. View Technical Drawing (PDF).

Drawing excerpt from the engineering file prepared for this request
Engineering drawing excerpt for the requested configuration.

Discuss a Similar Requirement

For custom cross flow fan configurations, dimensional adjustments, or specific electrical control requirements, submit your target duty point and space constraints through LONGWELL Contact or explore additional configurations via the LONGWELL Fan Selector.

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