This key locking design rotary switch features a square plastic case for terminal protection and a 3-position on/off/on design with 4 terminals. It is ideal for controlling electric circuits or machinery in industrial settings and for emergency control. The switch has a Ui of 660V and Ith of 10A. Its overall size (excluding the button) is 77 x 71x 65mm (3.03" x 2.8" x 2.56"). The switch knob diameter is 27mm (1.06"), and the mounting hole diameter is 5mm (0.2"). It is available in white and black colors and weighs 182g. The package includes 1 x Keylock Rotary Selector Switch Station and 2 x Keys.