12 V/24 V, galvanised steel housing, power rating: 50 A / 12 V (terminal 19), 27 A / 24 V (terminal 19), 12 A / 12 V (terminal 50a), 9 A / 24 V (terminal 50a), fixing: with hexagon nut M10 x 1, flush mounting: Ø 10.5 mm for wall thickness up to 3 mm, switch positions: control button must be held in position 1 (preheat) and 2 (start), automatically returns to position 0 (off), connection: blade terminal