Patent ID: 8237311

Claim:
An electrical switching device, comprising: a housing configured as a rail-mounted device and having a rear side, a front side, two side faces, a top side and a bottom side; a switching unit for interrupting an electrical circuit and disposed in said housing; a supply connection for feeding a load current to said switching unit and disposed in said housing, said supply connection having a first coupling contact for connecting to a current busbar, said first coupling contact disposed in said housing and being accessible from outside said housing for connecting to the current busbar from outside said housing; a load connection for connecting a feed conductor of load circuit to said switching unit, said load connection disposed in said housing; and a return connection having a connecting terminal for connecting to a return conductor of the load circuit and a second coupling contact connected to said connecting terminal inside said housing for connecting to a second current busbar, said second coupling contact disposed in said housing and being accessible from outside said housing for connecting to the second current busbar from outside said housing; said housing having a housing slot formed therein and passing completely through said housing in a row direction, said housing slot dimensioned such that said housing slot is a finger-safe slot, and in each case only one of said first and second coupling contacts is disposed in said housing slot.