Dear sir madam We are looking for a key lock switch to work with our alarm control panel system. The switch must compliant the following 4 options in a single key lock as shown in the attached diagram and description below. Option 1 All the three wires are not connected with each other Option 2 The main line 1 is connected with the line 2 and line 3 and line 4 are not connected Option 3 The main line 1 is both connected with line 2 and line 3 and line 4 is not connected Option 4 The main line 1 is connected to all the 3 sub line 2, 3 and 4 All the four option much be as described above. If ever you have any other suggestions please send us full detail