Induction cooking hob

An induction cooking heater comprising an inductor having a number of magnetic field concentration bars located beneath the inductor wherein the inductor having the number of magnetic field concentration bars is supported by a polymeric frame, wherein the polymeric frame comprises a first support element on which the inductor is wound and a second support element that supports the number of magnetic field concentration bars, wherein the first support element and the second support element are assembled together through an annular zone having a snap engagement, wherein the inductor is wound on an upper surface of the first support element opposite to the second support element, wherein the first element presents a plurality of arms stemming out from a central zone that are joined at an intermediate ring.