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

클린룸 장비 예비 부품

FFU 속도 컨트롤러

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

견적 요청 제품 찾아보기

상품 소개

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.

주요 기능

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.

응용 프로그램 솔루션

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.

일반적인 응용 프로그램

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

기술 매개변수

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

핵심 재료	Flame-retardant PC/ABS enclosure with FR-4 control board and copper-alloy terminals
패널 두께	35-70 mm nominal enclosure depth
유효 폭	70-135 mm nominal mounting width
최대 길이	Up to 160 mm overall length including mounting tabs
강철 면면 두께	0.8-1.5 mm equivalent terminal-clamp and internal bracket thickness
코어 밀도	1050-1250 kg/m³ for molded PC/ABS enclosure material
열전도도 (Thermal Conductivity)	0.18-0.25 W/(m·K) for molded enclosure material
표면 마무리	Fine-textured matte-black housing with white dial marks, green indicator and green terminal block
접합 유형	Six-position screw terminal connection with bolted external mounting tabs
사용자 정의	의도된 응용 프로그램 및 운영 환경에 따라 사용할 수 있습니다.

사용 가능한 옵션

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

Planning a FFU Speed Controller specification?

치수, 설치 조건, 성능 목표 및 필요한 표면 마감을 보내십시오.

우리 팀과 대화하십시오.