Enclosed Switches Series LS: Side Rotary with 1.5 in Fixed Length Lever; Steel Roller; 2NC 2NO DPDT Snap Action, Double Break; 20 mm [0.79 in] conduit; Compact/Non-Plug-in Aluminium arm with steel roller. 4-circuit double break. Momentary contact. 20mm thread to BS4568 and CEE requirements