Motor vehicle starter provided with a thermal protection system

Starter (11) for a heat engine of a motor vehicle comprising:

• at least one electromagnetic contactor (25) comprising a positive output terminal (32),
• at least one electric motor (15), said electric motor (15) comprising:
• at least one brush cage (43),
• at least one positive brush (35) mounted in said brush cage (43),
• an electrical path (91) between said positive brush (35) and the positive output terminal (32), the electrical path comprising at least one two electrical conductor elements and
• at least one thermal protection (96) situated in said electrical path (91), in which said thermal protection is suitable for disconnecting said two elements (93, 95) when the thermal protection has a temperature above a temperature threshold (T2) to electrically disconnect said positive output terminal (32) relative to said positive brush (35).