STjh 250 mm EC centrifugal supply-air fan unit with a compact support bracket and backward-curved wheel on white.

STJH-EC-CENTRIFUGAL-SUPPLY-AIR-FAN-250MM

Centrifugal Cleanroom Supply-Air Fan Unit 250 mm EC

A compact support-bracket EC fan with a 250 mm backward-curved impeller and an approximately 270 x 280 mm bracket envelope.

250 mm impeller class
Backward-curved EC drive
Approx. 270 x 280 mm bracket envelope

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การแนะนําสินค้า

The 250 mm EC centrifugal unit is sized for compact supply-air compartments where motor efficiency and controllable airflow matter. Its free-running backward-curved impeller, inlet cone and EC motor are assembled on a small support bracket, allowing direct installation in an AHU plenum or equipment enclosure.

คุณสมบัติที่สําคัญ

Compact plenum installation

The small support frame leaves more room for filters, coils or silencers inside a constrained enclosure.

Direct EC speed control

Integrated electronics allow demand-based airflow without a separate frequency converter.

Unhoused pressure generation

The backward-curved wheel discharges directly into the AHU plenum for flexible outlet placement.

พารามิเตอร์ทางเทคนิค

Impeller Diameter	250 mm class
Fan Type	Backward-curved centrifugal
Motor Technology	Electronically commutated
Bracket Envelope	Approximately 270 x 280 mm
Voltage Class	200-277 V or 380-480 V by build
Air Discharge	Free-running into plenum
Speed Control	Integrated EC electronics
Mounting	Support-bracket assembly
Installation Position	AHU or equipment enclosure
การปรับแต่ง	Voltage, controls, inlet arrangement and mounting frame can be selected for the intended application and operating environment.

Applications

Small cleanroom AHUs, fan-filter support equipment, laboratory supply modules and compact process-air cabinets.

Solutions for Your Application

A conventional housed fan consumes too much space in a small supply module.Mount the 250 mm free-running wheel directly in the equipment plenum on its compact bracket.

Fixed-speed operation causes unstable room pressure as filters load.Use the EC control input with a pressure sensor to trim fan speed against the selected setpoint.

ตัวเลือกที่มีอยู่

Alternative voltage, analog or digital control, pressure sensing, protective guard, inlet cone and custom support frame are available.

Planning a Centrifugal Cleanroom Supply-Air Fan Unit 250 mm EC specification?

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