The invention relates to an electrofluid heater, in particular to an electrofluid heater for motor vehicles, which comprises at least two switches of a power supply current control unit of at least one fluid heater element, The first switch and the second switch include a first edge with an electrical connection diagram, a second edge (called a free edge) opposite to the first edge, and at least one side wall extending between the edges. The device is characterized in that the free edge of the first switch is positioned at least partially relative to the side wall of the second switch.Abstract figure: Figure 2.
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