| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power distribution panel for dwelling, in which a case has excellent ventilation and heat discharge performance is high. <P>SOLUTION: The power distribution panel 1 for dwelling has a structure in which a box-like case 4 is formed of a substrate 2 having an opened front face and breakers 5, 6 attached thereon, and a cover 3 for exposing operation handles 5a, 6a of the breakers 5, 6 from an operation hole 3c and lidding the substrate 2, a groove 8 is formed in an abutting portion between an end edge of a side plate portion 2b of the substrate 2 and an end edge of a side plate portion 3b of the cover 3, and a ventilation hole 9 is provided on an appropriate portion of the groove 8 formed on the entire circumference of the side surface of the case 4. <P>COPYRIGHT: (C)2010,JPO&INPIT |
