A control cabinet cooling device (1) includes a housing (2) which comprises a hot air inlet (3) and a cooling air outlet (4), wherein the air to be cooled is suctioned by means of at least one fan (5) in the housing (2) via the hot air inlet (3) into the housing (2), led through an air-refrigerant heat exchanger (6) in the housing (2) and blown out as cooled air via the cooling air outlet (4), wherein a droplet separator (7) is arranged downstream of the air-refrigerant heat exchanger (6) in the air flow direction through the housing (2), wherein at least one lower end (8) of the droplet separator (7) in vertical direction is enclosed by an encapsulation (9) which, on the side thereof facing the droplet separator (7), comprises a condensate collection reservoir (10), into which a condensate discharge (11) of the droplet separator (7) leads.