B VDD 355/4 F400

B VDD 355/4 F400

Roof-mounted smoke exhaust fans 3-PH, 400V, 50Hz, 400°C., 2h with PTC and isolator switch, vertical discharge

Ref.-No. 01213

Features

Roof-mounted smoke exhaust fan for the extraction of smoke gases of temperature class F400. Designed as a double-use smoke extraction fan, suitable for smoke extraction and ventilation operation at 120 ° C as the maximum continuous airflow temperature. Casing made of seawater-resistant aluminium. Base plate with inlet nozzle, motor support plate and motor enclosure made of galvanised sheet steel. External inspection switch for electrical connection as standard. Optional operation with frequency inverter permitted. Directly driven high-performance centrifugal impeller, with eight backward curved blades, single-side inlet. Powder-coated sheet steel design. Dynamically balanced, quality class 6.3 for low-vibration operation. Efficient IE3 smoke exhaust motor for high environmental temperatures in enclosed motor design. Motor out of the air flow in automatically ventilated motor encapsulation.

Technical Data

General Information
Ref.-No.:01213
Type:B VDD 355/4 F400
Flow rate free-blowing:4250 m³/h
RPM:1420 min-1
Number of poles:4
Voltage:400 V , 3 W , 50 ph
Rated current (FLC) uncontrolled:1.23 A
Nominal power:550 W
Max. air flow temperature:120 °C
Temperature class:F400
IP protection category:55
Insulation class:F
PRODUCT_DETAILPAGE_wheel_diameter:355
Weight:61 kg
Wiring diagram no.:1262
Acoustic data
Case breakout 58 dB(A) in 4 m