Patent ID: 7821364

Claim:
Connecting system, comprising: at least one electromagnetic switching device; a plurality of auxiliary switch blocks having connection terminals on a surface opposite the at least one electromagnetic switch, the plurality of auxiliary switch blocks being insertably connected to the at least one electromagnetic switching device via a first receptacle on a surface thereof; a coil connection terminal block insertably connected to the at least one electromagnetic switching device via a second receptacle on the surface thereof, the coil connection terminal block including connection terminals lying in one plane with the connection terminals of the at least one auxiliary switch block when the coil connection terminal block and an auxiliary switch block are operatively connected to the electromagnetic switching device; and a common plug connector to simultaneously make contact with a contact of the coil connection terminal block and a contact of the auxiliary switch connectors, the common plug connector including internal wiring that electrically connects the coil connection terminal block and the at least one auxiliary switch connectors together.