ELECTRIC HEATER OR AUXILIARY HEATER, ESPECIALLY FOR A HEATING OR AIR-CONDITIONING SYSTEM OF A MOTOR VEHICLE

摘要

The invention relates to an electric heater or auxiliary heater (1), especially for a heating or air-conditioning system of a motor vehicle. Said heater comprises at least one heating element (2) having at least one PTC element which serves to heat a flowing medium, said PTC element having at least one row that consists of a plurality of webs (4) that are interconnected via at least one connecting zone (6), and the PTC element is electrically connected in two opposite edge zones that are perpendicular or substantially perpendicular to the direction of flow of the medium for current lead-in or lead-out. The invention is characterized in that the connecting zone (6) is configured to be interspaced from the electrically contacted edge zones and that the interspaced outer ends of outer webs (4a) that are positioned on the outside thereof serve for current lead-in or lead-out.