Heating device for a hob, and hob with such a heating device

Heating device for a hob, said heating device having:

• a flat/planar carrier having a heating conductor side and an opposite rear side,
• at least one heating conductor on said heating conductor side, and
• a switching device having a movable switching contact and a mating contact associated with said switching contact,
• wherein:
• said switching device has a switching arm movable/moving in itself,
• said switching arm carries said switching contact and is connected electrically to an electric arm connecting means,
• said switching contact is arranged on a free end of said switching arm,
• said switching arm is fastened on said carrier,
• said mating contact is electrically connected to an electric mating connection means,
• said switching arm is formed from a bimetal strip,
• said switching arm rests directly on said carrier and is fastened to said carrier together with said arm connecting means placed thereon, and
• said switching arm, said switching contact and said mating contact are designed and arranged such that when a pre-defined switching temperature is exceeded, said switching contact and said mating contact are either separated or brought together, triggering a switching operation, by a movement of said switching arm due to increasing heat.