Electric heater

The invention relates to an electric heater (1) for an automobile vehicle, with an electronic controller (2) and a heat transmitting net (3), whereby the heat transmitting net (3) contains a multitude of PTC-heating elements (12), a multitude of contact sheets (8, 9) and heat dissipating fins (7), whereby the PTC-heating elements (12) are respectively arranged between two adjacent contact sheets (8, 9) and form a heating element (15) with the contact sheets (8, 9), whereby some of the contact sheets (8, 9) are connected to connectors (4, 10), which are arranged at the electronic controller (2) and are connected to either a positive pole of a power supply or a negative pole of a power supply and are arranged in an alternating order, whereby the quantity of connectors (4) that are connected to a positive pole of a power supply and the quantity of connectors (10) that are connected to a negative pole of a power supply differs by one.