PLUG-IN UNIT

PROBLEM TO BE SOLVED: To provide a plug-in unit having improved quality with a reduction of wiring errors while reducing the number of components and wiring manhours by eliminating the need for wiring between a breaker and electric equipment. SOLUTION: The plug-in unit 1 includes the breaker 10 to be electrically connected to a bus bar 6 on the power supply side, and the electric equipment 20 such as a magnetic conductor to be electrically connected to the breaker. The breaker and the electric equipment have joint faces 13, 21 abutting on each other, respectively. The breaker includes a terminal fitting 11 to which the bus bar is connected, and a plug-in terminal fitting 30 provided on the joint face. The electric equipment includes a plug terminal 22 provided on the joint face and connectable to the plug-in terminal fitting. The breaker and the electric equipment are detachably jointed to each other with a locking member 40 which consists of a locking portion 41 and a locked portion 42 mounted on the joint faces of the breaker and the electric equipment, respectively, for engaging with each other in a disengageable manner. COPYRIGHT: (C)2010,JPO&INPIT