A supporting device (1, 100) for mounting tools (50) on a switchgear (60) front panel (61) which comprises:
- a first, fixing, plate (2, 200) and a second, supporting, plate (3, 300) connected to each other and free to rotate with respect to each other in a first plane;
- a first locking device (4, 400) for locking said first, fixing, plate (2, 200) and said second, supporting, plate (3, 300) at selected angular position with respect to each other;
- a magnetic fixing device comprising fixing magnets (70) adapted to be fixed on said switchgear (60) front panel (61);
- an adjustable connection device (8) connecting said fixing magnets (70) to said first, fixing, plate (2, 200) and comprising a second locking device for locking said fixing magnets (70) at different positions with respect to said first, fixing, plate (2, 200);
- a third locking device (9, 900) for fixing a tool (50) on said second, supporting, plate (3, 300).
A tool kit for a switchgear (60) comprising a switchgear tool (50) and a supporting device (1, 100) is also disclosed.