Plug-in adapter and plug-in connection structure

Abstract

To provide a plug-in adapter having a plurality of plug-in terminals corresponding to the number of poles of a power distribution system and capable of easily replacing each plug-in terminal in one process.SOLUTION: A plurality of plug-in terminals 10 corresponding to the number of bus bars, and a case 20 accommodating the plug-in terminals 10, wherein the case 20 is divided into a lower case element 210 and an upper case element 220, the lower case element 210 and the upper case element 220 are combined to form a front wall 21 of the case 20, the lower case element 210 has a first front wall element 211 forming a lower part of the front wall 21, the upper case element 220 has a second front wall element 221 forming an upper part of the front wall 21, and the first front wall element 211 is formed with a plurality of first opening elements 212; A plurality of second opening elements 222 are formed in the second front wall elements 221, and a plurality of openings 21A, 21B, and 21C are formed by combining the first opening elements 212 and the second opening elements 222.SELECTED DRAWING: Figure 10

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