| 摘要 |
The invention relates to a shielded heating element including at least one outer metal sheath containing a heating electrical conducting wire insulated by a material in powder form which is electrically insulating and thermoconducting. The metal sheath (11) includes a retention means (12), preferably a groove, for a pellet (8) made of electrically insulating material which constitutes a stop for an electrical assembly (1, 2, 3) including temperature or electric current limiting means. <IMAGE>
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