| 摘要 |
The present invention relates to a solid state relay, and the solid state relay of the present invention comprises: a solid state relay circuit board (20) in which output power terminals (24) are formed two times more than the input power terminals (23), and two control power units (26) for supplying power to a relay circuit are formed in such a manner that an electric connection is performed to enable two output power terminals to be matched with one input power terminal, wherein said two control power units are controlled to be matched with each of the two output power terminals which are connected to the one input power terminal; an upper cover (10) which protects said circuit board;and a heat sink (30) which has TRIAC insertion holes (32) for accommodating TRIACs that are combined in a vertical direction on said relay circuit board, and has a plurality of heat radiation ribs (34, 35). The invention enables the solid state relay to be detachably attached to an electronic device in a secure and easy manner with an operation lever, by allowing: heat radiation first and second ribs (41, 42) combined with a rail (50-1), to be formed on the lower part of a heat radiation structure of a lower case (40-1); and heat radiation third and fourth ribs (43, 44), which are heat radiation ribs (41, 42) whereby said first and second ribs (41, 42) are detachably mounted on the rail (50-1) by an operation lever (60). |
