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KVO 355 Vent. Cond. Circul.

Systemair slim box fan KVO355

Item Number: 2030


Integral thermal contacts

Low noise level

Compact construction

The KVO 355-400 models have a single-inlet centrifugal fan with forward-curved blades and a maintenance-free external rotor motor. In all KVO models, the motor and impeller are mounted on the cover for easy cleaning and maintenance. To protect the motor from overheating, the fans have integral thermal contacts with external leads for connection to a motor protection device. The fans can be installed in any position, and are easy to connect to spiral ducts using FK mounting clamps. The lid is insulated with 40 mm rockwool. The casing is manufactured from galvanised sheet steel.

Parametros tecnicos

Datos nominales
Tensión (nominal) 230 V
Frecuencia 50 Hz
Fase(s) 1~
Potencia de entrada 1.196 W
Corriente de entrada 5,69 A
Revoluciones por minuto 1.118 r.p.m.
Caudal de aire máximo 1.869 cfm
Capacidad del condensador 20 µF
Temperatura del aire transportado máximo 65 °C
Temperatura maxima del aire transportado, con velocidad controladoa 65 °C
Datos de ruido
Nivel de presion sonora a 3m (20m2 Sabin) 53 dB(A)
Grado de proteccion ,motor IP54
Clase de aislamiento F
Dimensiones y pesos
Dimension del conducto; Circular, interior 355 mm
Dimension del conducto; Circular, exterior 355 mm
Peso 38,3 kg
Tipo de conexión de conducto Circular
Tipo de motor AC

KVO 355 Circular duct fan


DN 355, 230V/50Hz, 1~, sound insulated


Centrifugal circular duct fan designed for easy and direct installation in ducts, single inlet.


Single skin, galvanised sheet steel housing. Double wall cover, mineral wool insulation 40 mm, removable incl. fan unit for cleaning and maintenance.


Forward curved centrifugal impeller made of plastic. Impeller acc. to VDI 2060, balancing quality G 6.3, dynamically balanced in two planes.


Voltage controllable external rotor motor


(IP44), maintenance-free, the motor is placed inside the air flow for cooling. Integral thermal contacts with leads to a motor protection device. Speed-controlled by voltage reduction via transformer or thyristor. Equipped with a supply cable, length=1.80m.


For extract and supply air.


Very low installation height.


Installation in any mounting position.


For indoor installation.






Item no.2030