Fan unit for a heat exchanger

Fan unit for a heat exchanger, particularly for a motor vehicle, comprising:

• an essentially plate-like support structure or cowling, having a main aperture forming a passage for a flow of air;
• an electric fan comprising:
• an impeller having a central hub from which a plurality of blades extends, and an electric drive motor fixed to a support structure in the central area of the passage and connected to the hub of the impeller;
• a flexible electrical cable connected to the motor, having a terminal electrical connector for connection to a source of supply voltage and/or to an associated control circuit, wherein the connector has a body having one end connected to the cable, and another end provided with at least one connection aperture;
• and
• a seat provided in the plate-like support structure or cowling, in the proximity of the aforesaid main aperture, for receiving and retaining the body of the terminal electrical connector, and for covering the at least one connection aperture of the connector.