# US 7,609,137 B2 · Electrical switchgear > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,609,137 B2 - Document ID: US7609137B2 - Status: Granted - Kind: B2 - Application number: 10/524,068 - Filed: 2003-08-07 - Published: 2005-12-08 - Granted: 2009-10-27 - Earliest claimed: 2002-08-10 - Assignees: Moeller GmbH - Inventors: Norbert Roesner; Karsten Gerving; Guenter Baujan; Klaus Dauer - Web page: https://patentgrep.com/patent/US7609137B2 ## CPC - H01H 71/08: Terminals; Connections - H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B7/10; electrolytic self-interrupters H01G9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K17/00) ## Abstract An electrical switching device having at least one pole includes a housing of an insulating material, and an incoming terminal contact and an outgoing terminal contact associated with a first pole. Each of the terminal contacts includes a first connection device for connection of a first external electrical conductor. At least one of the terminal contacts includes a second connection device for pluggable connection of a second electrical conductor. ## Claims ### Claim 1 An electrical switching device having at least one pole, the electrical switching device comprising: a housing including an insulating material; and an incoming terminal contact and an outgoing terminal contact associated with a first pole, each of the terminal contacts including a respective first connection device configured for connection of a respective first external electrical conductor and a respective fixed contact, at least one of the terminal contacts including a respective second connection device disposed inside the housing and configured for pluggable connection of a respective second electrical conductor between the respective first connection device and the fixed contact, wherein the respective second connection device includes at least one of a receiving hole and a lateral cutout configured to receive a respective male contact connected to the respective second electrical conductor. ### Claim 2 (depends on 1) The electrical switching device as recited in claim 1 wherein: each of the terminal contacts includes a respective contact carrier, a respective connecting point for housing-internal contacting, the respective connecting point and the respective fixed contact being disposed at a first end of the respective contact carrier, the respective first connection device being disposed at a second end of the respective contact carrier; and the respective second connection device is disposed between the respective connecting point and the respective first connection device. ### Claim 3 (depends on 2) The electrical switching device as recited in claim 2 wherein the respective connecting point includes at least one of the respective fixed contact and a connecting point for wiring. ### Claim 4 (depends on 1) The electrical switching device as recited in claim 1 wherein the respective first connection device includes at least one of a screw clamp terminal, a spring clamp terminal, and an insulation-piercing terminal. ### Claim 5 (depends on 1) The electrical switching device as recited in claim 1 wherein the respective second connection device is configured to at least one of frictionally and positively receive a respective connection element. ### Claim 6 (depends on 1) The electrical switching device as recited in claim 1 wherein the respective second connection device includes the receiving hole, the receiving hole having a contact tab section extending upward or downward at an edge portion thereof. ### Claim 7 (depends on 1) The electrical switching device as recited in claim 1 wherein the housing includes an access area configured to provide access to the respective second connection device, the access area being outlined by predetermined breaking points. ### Claim 8 (depends on 1) The electrical switching device as recited in claim 1 further comprising a second incoming terminal contact and a second outgoing terminal contact associated with a second pole, each of the second terminal contacts including a respective third connection device configured for connection of a respective third external electrical conductor, at least one of the second terminal contacts including a respective fourth connection device configured for pluggable connection of a respective fourth electrical conductor. ### Claim 9 An electrical switching device having at least one pole, the electrical switching device comprising: a housing including an insulating material; and an incoming terminal contact and an outgoing terminal contact associated with a first pole, each of the terminal contacts including a respective first connection device configured for connection of a respective first external electrical conductor and a respective fixed contact, at least one of the terminal contacts including a respective second connection device disposed inside the housing and configured for pluggable connection of a respective second electrical conductor between the respective first connection device and the respective fixed contact, wherein the respective first connection device includes at least one of a screw clamp terminal, a spring clamp terminal, and an insulation-piercing terminal. ### Claim 10 An electrical switching device having at least one pole, the electrical switching device comprising: a housing including an insulating material; and an incoming terminal contact and an outgoing terminal contact associated with a first pole, each of the terminal contacts including a respective first connection device disposed inside the housing and configured for connection of a respective first external electrical conductor, at least one of the terminal contacts including a respective second connection device disposed inside the housing and configured for pluggable connection of a respective second electrical conductor, wherein the respective second connection device includes at least one of a receiving hole and a lateral cutout configured to receive a respective male contact connected to the respective second electrical conductor; wherein each of the terminal contacts includes a respective contact carrier, a respective connecting point for housing-internal contacting being disposed at a first end of the respective contact carrier, the respective first connection device being disposed at a second end of the respective contact carrier; and wherein the respective second connection device is disposed between the respective connecting point and the respective first connection device. ### Claim 11 (depends on 10) The electrical switching device as recited in claim 10 wherein the respective connecting point includes at least one of a fixed contact of a switching contact and a connecting point for wiring. ### Claim 12 An electrical switching device having at least one pole, the electrical switching device comprising: a housing including an insulating material; and an incoming terminal contact and an outgoing terminal contact associated with a first pole, each of the terminal contacts including a respective first connection device disposed inside the housing and configured for connection of a respective first external electrical conductor, at least one of the terminal contacts including a respective second connection device disposed inside the housing and configured for pluggable connection of a respective second electrical conductor, wherein the respective second connection device includes at least one of a receiving hole and a lateral cutout configured to receive a respective male contact connected to the respective second electrical conductor; wherein the housing includes an access area configured to provide access to the respective second connection device, the access area being outlined by predetermined breaking points.