PTC module for a temperature control device , especially for a motor vehicle, - with at least one PTC element , having a flat element cross section transversely to a longitudinal direction of the module , and having two large outer surfaces along this module longitudinal direction , facing away from each other, and first and second small outer surfaces , facing away from each other and joining together the two large outer surfaces , - with an envelope body , which encloses the respective PTC element at least in the circumferential direction , - with two electrical conductors , which extend in the module longitudinal direction and are spaced apart from each other in the element cross section and electrically conductively connected to the respective PTC element , and - with first and second electrically isolating insulator plates , which extend in the module longitudinal direction , characterized in - that the first and second electrically isolating insulator plates are connected in heat transfer manner to one of the large outer surfaces of the respective PTC element , - that the respective electrical conductor is formed each time by an electrically conducting conductor coating , formed each time on one of the insulator plates , - that one of the electrically conducting conductor coatings is a first conductor coating arranged on the first insulator plate only in a first edge region , which borders on the first small outer surface , - that the other of the electrically conducting conductor coatings is a second conductor coating arranged on the second insulator plate only in a second edge region , which borders on the second small outer surface . - with at least one PTC element , having a flat element cross section transversely to a longitudinal direction of the module , and having two large outer surfaces along this module longitudinal direction , facing away from each other, and first and second small outer surfaces , facing away from each other and joining together the two large outer surfaces , - with an envelope body , which encloses the respective PTC element at least in the circumferential direction , - with two electrical conductors , which extend in the module longitudinal direction and are spaced apart from each other in the element cross section and electrically conductively connected to the respective PTC element , and - with first and second electrically isolating insulator plates , which extend in the module longitudinal direction , - that the first and second electrically isolating insulator plates are connected in heat transfer manner to one of the large outer surfaces of the respective PTC element , - that the respective electrical conductor is formed each time by an electrically conducting conductor coating , formed each time on one of the insulator plates , - that one of the electrically conducting conductor coatings is a first conductor coating arranged on the first insulator plate only in a first edge region , which borders on the first small outer surface , - that the other of the electrically conducting conductor coatings is a second conductor coating arranged on the second insulator plate only in a second edge region , which borders on the second small outer surface . <EOS>