CRVB/6-450 N

Description

Housing	The fan housing is designed for vertical air discharge. The fan base is made of galvanized sheet steel. The brackets, grille and screws are also galvanically plated. The fan cowl and housing are made of Al sheet metal. The motor of the roof fan is located in the air flow.
Impeller	The fan impeller is radial with backward curved blades. The impeller is made of galvanized sheet steel and is statically and dynamically balanced.
Motor	The fan motor is asynchronous with squirrel cage and with an external rotor. The motors are equipped with a thermal fuse as standard. The motor winding is tropicalized, with class F insulation and with a constant operating temperature of -40 to +70 °C. The bearings are for-life-grease-filled. IP54 ingress protection.
Terminal block	The terminal block with an inspection switch is located on the base of the roof fan. For single-phase fans (CRVB), the terminal block also includes a start capacitor. IP55 ingress protection.
Installation	The series fans must be mounted horizontally using accessories (with the motor axis in the vertical position).

Additional Information