Switch device, switch device system, and switch apparatus including switch device or switch device system

A switch device comprising:

• a first electrical contact point configured to include one or more circuits;
• a second electrical contact point configured to include one or more circuits other than the one or more circuits included in the first electrical contact point;
• a switch manipulation portion configured to cause the first electrical contact point and the second electrical contact point to enter an ON state when the switch manipulation portion is manipulated an ON position, and to cause the second electrical contact point to enter an OFF state as well as the first electrical contact point to maintain the ON state when the switch manipulation portion is manipulated an OFF position;
• a detecting unit configured to detect which position the switch manipulation portion is positioned at, the ON position or the OFF position;
• a first mechanism configured to cause the first electrical contact point to change the state thereof from the ON state to the OFF state, when the detecting unit detects that the switch manipulation portion is in the OFF position.