A switch assembly (10) for a comminuting food waste, comprising: a housing (12) containing a switch (16) and first (110) and second (111) magnets, an interlock device 300 for actuate the switch assembly (100), which functions as a llavemagnética to unlock / lock the switch (16); having interlock device (300) a third (310) and a fourth (311) magnets; a locking member (150) connected to the first magnet (110), wherein the locking member (150) serposicionado in a locked position and an activation position; activation member (152) connected to the second magnet (111), wherein the actuating member (152) serposicionado in an on position where the actuating member (152) activates the switch (16) and unaposición disabled; wherein the magnets are arranged such that the switch (16) is driven when the first (110) yel third (310) magnets align and second (111) and fourth (311) magnets align and member debloqueo (150) interacts with the actuating member (152) to block the actuating member in laposición off or disabled when the actuating member is in the locked position.
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