| 摘要 |
<p>An arrangement for mounting a DC power supply unit includes a single circuit board (2 min ) on which there are provided an input circuit and a stabilizing circuit having circuitry for rectification of alternating current and for stabilization of direct current. The input circuit is composed of such electrical components as an input connector (4b), a power supply switch (SW) and a fuse holder (FS) each of which has an operating portion which must be accessed from outside a cabinet (5) housing the DC power supply unit. The cabinet (5) is provided with an opening, (5a) and the electrical components (4b, SW and FS) are so arranged that the operating portions thereof are located at the opening (5a) for easy access from outside the cabinet (5).</p> |
