Three-quarter view of a compact FFU speed controller with rotary dial and six-way terminal block

クリーンルーム機器のスペアパーツ

FFU スピードコントローラー

A compact panel-mounted controller that gives operators direct, stepless airflow adjustment for compatible EC-motor fan filter units.

Stepless Manual Adjustment
EC Fan Signal Control
Compact Panel Mounting
Serviceable Screw Terminals

見積もりリクエスト製品案内

商品紹介

The FFU speed controller provides a local setpoint for a compatible electronically commutated fan motor. Turning the front potentiometer varies the low-voltage command used by the motor electronics, allowing commissioning or maintenance personnel to trim airflow without replacing the FFU drive. The molded enclosure protects the control components, while mounting ears and a removable screw terminal block simplify installation near the fan housing or inside a control compartment. Signal range, terminal assignment and minimum-speed behavior must be matched to the existing motor or FFU control card.

主要な特徴

Rotary potentiometer gives smooth local adjustment across the usable FFU airflow range.

Low-voltage signal architecture is suited to EC fans that accept an analog speed command.

Front status indication provides a quick visual check that the control circuit is energized.

Screw terminals and external mounting tabs support straightforward replacement and servicing.

お客様の製品に関する懸念事項

A replacement speed controller must produce the signal expected by the installed motor and fit the existing wiring and mounting arrangement.

The new controller uses a signal range that the existing EC motor cannot interpret correctly.The controller is selected to match the motor's specified analog command range and reference supply.

Airflow falls below the stable operating point at the lowest dial position.Minimum-speed behavior can be matched or preset to preserve the required lower airflow limit.

Different terminal assignments create wiring errors during field replacement.Terminal count, signal common, reference voltage and command output are verified against the original connection diagram.

The control cannot be secured near the FFU without modifying the housing.Mounting-tab geometry and enclosure orientation can be configured for the available service space.

典型的な用途

Single FFU airflow commissioningCleanroom ceiling fan filter unitsLaminar-flow workstation fansLocal EC fan maintenance control

技術的なパラメータ

Typical construction ranges for compact manual FFU speed controllers are shown below.

コア材料	Flame-retardant PC/ABS enclosure with FR-4 control board and copper-alloy terminals
パネルの厚さ	35-70 mm nominal enclosure depth
有効幅	70-135 mm nominal mounting width
最大長さ	Up to 160 mm overall length including mounting tabs
鋼鉄の厚さを直面する	0.8-1.5 mm equivalent terminal-clamp and internal bracket thickness
コア密度	1050-1250 kg/m³ for molded PC/ABS enclosure material
熱伝導率	0.18-0.25 W/(m·K) for molded enclosure material
表面仕上げ	Fine-textured matte-black housing with white dial marks, green indicator and green terminal block
ジョイントタイプ	Six-position screw terminal connection with bolted external mounting tabs
カスタマイズ	意図したアプリケーションと動作環境に基づいて利用できます。

利用可能なオプション

0-10 V or matched potentiometer interfaceMinimum-speed presetAlternative terminal assignmentCustom mounting-tab geometry

Planning a FFU Speed Controller specification?

寸法、設置条件、性能目標、必要な表面仕上げをお送りください。

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