CTVB (230V) a CTVT (400V)
Roof fans CTVB 230V and CTVT 400V are designed for vertical air exhaust. The CTVB / CTVT roof fans are suitable for increasing the draft of the chimney and for general air handling applications. The casing and canopy of the roof fans are made of aluminium sheet, the fan base is made of galvanized steel sheet. The motor of the CTVB / CTVT roof fan is mounted outside the air stream.The motor winding is tropicalised with class F insulation and a permanent operating temperature of -40 to 120 °C. The motor ventilation of the CTVB / CTVT roof fan is vented from the side of the cabinet.
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