Motorized housing of a food preparation household appliance, the motorized housing comprising: • a first location configured to receive a first removable accessory comprising a first rotary tool, a first drive output being arranged in the first location, • a second location configured to receive a second removable accessory comprising a second rotary tool, a second drive output being arranged in the second location, • a hatch movable or removable capable of occupying a closing position in which the hatch prevents access to the first location and to the second location, • an electric motor configured to drive the first drive output and the second drive output, characterized in that the motorized housing comprises a power activation device of the electric motor, the activation device comprising: • a switch comprising a lever movable between an activation position and a deactivation position, the activation device being in an active state when the lever is in the activation position and • a pusher movable, relative to the switch, between a disengaged position and an engaged position, the switch and the pusher being arranged together so that the lever is in the activation position when the pusher is in the engaged position and so that the lever is in the deactivation position when the pusher is in the disengaged position, the pusher being arranged to be in the engaged position: • when the hatch occupies the closing position, or • when the first accessory is arranged in the first location and the first drive output is engaged with the first rotary tool, or • when the second accessory is arranged in the second location and the second drive output is engaged with the second rotary tool, the pusher being arranged to be in the disengaged position when the hatch does not occupy the closing position and neither the first accessory nor the second accessory are arranged respectively in the first location or the second location. • a first location configured to receive a first removable accessory comprising a first rotary tool, a first drive output being arranged in the first location, • a second location configured to receive a second removable accessory comprising a second rotary tool, a second drive output being arranged in the second location, • a hatch movable or removable capable of occupying a closing position in which the hatch prevents access to the first location and to the second location, • an electric motor configured to drive the first drive output and the second drive output, characterized in that the motorized housing comprises a power activation device of the electric motor, the activation device comprising: • a switch comprising a lever movable between an activation position and a deactivation position, the activation device being in an active state when the lever is in the activation position and • a pusher movable, relative to the switch, between a disengaged position and an engaged position, the switch and the pusher being arranged together so that the lever is in the activation position when the pusher is in the engaged position and so that the lever is in the deactivation position when the pusher is in the disengaged position, • a switch comprising a lever movable between an activation position and a deactivation position, the activation device being in an active state when the lever is in the activation position and • a pusher movable, relative to the switch, between a disengaged position and an engaged position, the switch and the pusher being arranged together so that the lever is in the activation position when the pusher is in the engaged position and so that the lever is in the deactivation position when the pusher is in the disengaged position, the pusher being arranged to be in the engaged position: • when the hatch occupies the closing position, or • when the first accessory is arranged in the first location and the first drive output is engaged with the first rotary tool, or • when the second accessory is arranged in the second location and the second drive output is engaged with the second rotary tool, the pusher being arranged to be in the disengaged position when the hatch does not occupy the closing position and neither the first accessory nor the second accessory are arranged respectively in the first location or the second location. • when the hatch occupies the closing position, or • when the first accessory is arranged in the first location and the first drive output is engaged with the first rotary tool, or • when the second accessory is arranged in the second location and the second drive output is engaged with the second rotary tool, the pusher being arranged to be in the disengaged position when the hatch does not occupy the closing position and neither the first accessory nor the second accessory are arranged respectively in the first location or the second location.