| 摘要 |
PROBLEM TO BE SOLVED: To provide a small-sized interlock apparatus at a low cost. SOLUTION: In an interlock apparatus of a switchboard which is equipped with a switchboard 1, a door 2 fixed to the front face of the switchboard 1, and a breaker 4 for wiring accommodated in the switchboard 1, a notched hole 3 formed in a plate of the door 2, and the breaker 4 for wiring which makes a handle 5 protrude from the notched hole 3 are installed. The handle 5 of the breaker 4 for wiring which opens and closes a circuit is made to engage with the peripheral wall of the notched hole 3 in the door 2, so that the door will not open. Thereby a small-sized interlock apparatus is provided at low cost. |
