| 摘要 |
PURPOSE: To optimumly utilize the inside space in a case, by providing a retaining member between a switch unit, for fixing a control constitution member and a display constitution member, and the side wall of a case. CONSTITUTION: A switch unit, placed on the bottom part 5 of a case 1, includes a thermal relay 44 and a contactor 22. Respective retaining members 9, 10, and 55 have upper part retaining surfaces 13 and 58 is parallel to the bottom of the bottom part 5 and directed toward a lid part 2. Moreover, control constitution parts 16 and 17, or display constitution parts 50a and 50b, cooperating to these members 9, 10, and 55, are fixed, and these members 9, 10, and 55 are inserted from the upper part of corresponding ribs 7, 8, and 57. This can facilitate miniaturization, and lower the height of a device in particular. |
