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  • Offer Profile
  • The Stäubli Electrical Connectors brand is synonymous with advanced contact technology and sophisticated solutions. We provide our customers around the world with the key added values of efficiency and sustainability.
Product Portfolio

  • Multi-Contact to Become Staübli Electrical Connectors: A connection for the future

  • Multi-Contact has been a leading international manufacturer of electrical contacts and connection systems for 55 years.

    As of January 1, 2017, Multi-Contact will continue its business and services as Stäubli Electrical Connectors.

    Being part of the the Stäubli Group for 15 years, we now adopt the name and brand appearance of Stäubli. Providing latest technology and highest quality in products and customized solutions, this step will allow us to even better meet the demands of the global market.

      • Connectors

          • Industrial Connectors

          • Connectors For Utilities And Power Industries

            Our high-performance industrial connectors are designed for severe requirements in industrial environments. Equipped with our tried and tested MULTILAM they offer lowest contact resistance and extremely high current density. Our power connectors find use in a wide range of applications such as power generation and distribution, rack and panel applications, machine control systems, mobile transformers and many more. Wherever high currents need to be safely transmitted through a removable electrical connection Stäubli Electrical Connectors industrial connectors should be your preferred choice.

              • 1 Powerline

              • Round Connectors - unenclosed, single-pole, uninsulated / max. 6000A

              • 2 Powerline

              • Round Connectors - Ø 6mm, single-pole, insulated / max. 600V, 125A

              • 3 Powerline

              • Round Connectors - Ø 10mm-21mm, single-pole, insulated / max. 1000V, 1000A

              • 5 Powerline

              • MULTILAM plugs - Ø 2mm-4mm, uninsulated / max. 50A

              • Powerline Multi-pole

              • Powerline Multi-pole
                Multi-pole plug connectors
                Ø 6 mm, Ø 8 mm
                max. 1000 V, 180 A

              • Slide-inline

              • Connectors for plug-in systems - Modular system max. 600V, 300A / Fork plugs max. 600V, 1490A

              • CombiTacline

              • The modular connector system
                This allows the individual combination of various contact types in a compact frame or housing.

              • Utilitiesline

              • Rapid connection systems

              • Railwayline

              • Electrical contacts for railway technology

              • e-Mobility

              • Connector Solution for rapid and automatic charging of electric vehicles

            • Connectors For Automatic Systems

            • Connectors For Docking Systems And Robotics

              Stäubli Electrical Connectors connector systems designed for the specific requirements of automated production facilities. Applications include manually or automatically actuated multi-couplings for docking systems, automated assembly lines, tool change systems for machining and molding equipment, and robotics. Small in size but big in performance, our automatic systems connectors feature a rugged and reliable design specifically engineered for high mating frequencies. Equipped with MULTILAM Technology for lowest contact resistance and extremely high current density.

                • Roboticline

                • Primary circuit connectors - 1000V AC, 421 A max., up to 10 kHz, UL-listed

                • 1 Dockingline

                • Connectors for multi-couplings

                • 2 Dockingline

                • Connectors for robot tool changers

              • Medical Industry Connectors

              • Medical Connectors And Accessories

                In medical technology the reliability of all components is a particularly crucial factor – in intensive care units, for instance, human life often depends directly on the performance of the connected medical equipment. Our special product line for electromedical equipment has been developed using our know-how in developing and manufacturing safety products for test and measurement, and recognizing the specific requirements of the medical industry. Featuring our unique MULTILAM Technology and gold-plated contact elements, our medical connectors provide for the very highest dependability and corrosion resistance. Our connectors are suited for steam sterilization, and are also available for disposable applications. In addition to the standard product range, we offer customized solutions for individual requirements.

                    • Medicalline

                    • Connectors and Connecting Leads in Medical Technology

                • Connectors for Renewable Energy

                • Solar Energy Connectors And Junction Boxes

                  Our attention to detail builds trust. And trust builds best results.
                  At Stäubli Electrical Connectors we make the decision easy when it comes to choosing products for your PV connection needs. With our wide range of connectors, junction boxes and cables we can get any type of PV installation connected to the sun. Rely on Stäubli Electrical Connectors innovative MULTILAM Technology for tried and trusted results that keep your PV installation up and running efficiently and safely.

                  With 120 GW connected worldwide, our experience is your advantage.
                  As a pioneer and global market leader for connectors, Stäubli Electrical Connectors has amassed over 20 years of experience in the photovoltaics industry. During this time, more than 120 GW of PV power, or more than 50% of the PV power worldwide, has been successfully installed worldwide using over 1 billion original MC4 connectors from Stäubli Electrical Connectors.

                    • Solarline

                    • Connection systems and accessories for photovoltaics. Plug connectors, junction boxes and cables.

                    • Cabling of PV Installations

                    • Minimizing your risk and maximizing your return.

                    • Dangerous counterfeits

                    • Beware of counterfeit connectors!

                  • Test and Measurement

                  • Products And Accessories For Test And Measurement

                    Over the last four decades, Stäubli Electrical Connectors - and namely its subsidiary in Essen, Germany (formerly HCK) - has become a synonym for safe, high quality test accessories worldwide. Whether for testing, measuring or diagnosis of components and systems, our innovative test accessories offer you the performance, dependability and repeatability you need. Our Test & Measurement product family includes our complete line of insulated test accessories that meet and exceed today's stringent safety requirements, our test accessories for high-frequency engineering, as well as our wide range of highly flexible wire.

                      • 1 Test&Measureline

                      • Test Accessories for Extra-Low-Voltages ( CAT O ) - Test Accessories for Experimenting, Testing and Repairing
                        30 VAC / 60 VDC

                      • 2 Test&Measureline

                      • Touch-Protected Test Accessories for Experimenting, Testing, and Repairing
                        ( CAT II / CAT III / CAT IV ) - Maximum safety up to 1000 V

                      • 4 Test&Measureline

                      • Accessories for Measurements at the Mains Supply Source ( CAT IV ) - Maximum safety up to 1000 V

                      • 5 Test&Measureline

                      • Terminals for Test and Measurement Devices - Safe accessories for test and measurement equipment according to IEC/EN 61010

                      • HFline

                      • Test Accessories for High-frequency Measurements - Oscilloscope Probes and BNC Connectors

                      • Cableline

                      • Cables & Multistrand Wires - Maximum flexibility

                    • Specials & MULTILAM

                    • Multilam Contact Band Technology And Applications

                      Among the countless types of electrical connectors from signal currents up to extremely high currents, MULTILAM stand out on the strength of excellent performance. The MULTILAM, cornerstone of MC contact technology, has virtually unlimited applications due to its design flexibility and advanced features.

                      The MULTILAM forms a contact cage inserted between two contact surfaces. It contacts the two surfaces at a large number of points, each of which acts as a "bridge" for passage of current. MULTILAM are made of specially shaped copper beryllium contact plates, and either silver, gold or nickel plated.

                      They have high current-carrying capacity in continuous and intermittent operation and perform very reliably over a broad temperature range. MULTILAM bands are available for male and female cylindrical connectors or flat contact configurations. They are also well suited for sliding contact interfaces, which require either linear or rotary movements. Contact elements with large radial tolerances and the capacity to absorb angular misalignment are also available.

                        • MULTILAMTechnology

                        • The MULTILAM Principle

                        • SuccessStories

                        • Application Examples of MULTILAM contact technology Stäubli Electrical Connectors

                        • Productline

                        • Program overview - with all catalogues of the MC Productlines

                        • Applications

                        • Special applications - for battery, medical industry, aerospace and nuclear connection solutions

                      • Solar Connectors

                          • MC3

                              • Female and male cable coupler MC3

                                • First series PV plug connector on the world market
                                • Proven MULTILAM technology with high long-term stability
                                • Has been installed millions of times over 17 years
                                • Available for assembly with cross sections of 10mm²
                                • Also available as ready made leads

                              • PV-ADBP3/SP3

                                • MC3 panel-receptacle connectors are the interface between an inverter or junction box or junction and a branch cable
                                • Mounting directly by means of screw thread or in perforated plate with locknut (included in delivery)
                                • Rapid, precise plugging
                                  Protection class IP65 guarantees the highest connection safety
                                • Mating compatibility with MC3

                              • PV-AZB3/S3-UR

                                • For a safe and simple parallel or serial-parallel connection of PV-modules.
                                • Pluggable with single-pole MC PV-cable coupler MC3. Unmated connections must be protected by sealing caps.

                            • MC4

                                • MC4

                                  • Snap-in locking
                                  • Locking by safety lock clip PV-SSH4 in accordance with NEC 2011, can be released only with tool
                                  • Proven MULTILAM technology with high long-term stability, which ensures consistently low performance loss throughout the entire service life of the plug connector
                                  • Tried and tested plug connectors, 12 years of experience in the field
                                  • Available for assembly with cross-sections of 10mm²
                                  • Also available as ready made leads
                                  • Leads made to customer's specifications

                                • PV-ADBP4-S2 / PV-ADSP4-S2

                                  • MC4 panel-receptacle connectors are the interface between an inverter or junction box or junction and a branch cable
                                  • Mounting directly by means of screw thread or in perforated plate with locknut (included in delivery)
                                  • Rapid, precise plugging
                                  • Protection class IP68 (1 m/1 h) guarantees the highest connection safety
                                  • Mating compatibility with MC4
                                  • Includes sealing element for enclosure

                                • PV-AZB4/S4

                                  • For a safe and simple parallel or serial-parallel connection of PV-modules.
                                  • Pluggable with single-pole MC PV-cable coupler MC4. Unmated connections must be protected by sealing caps.

                              • MC4-EVO 3

                                    • Female and male cable coupler MC4-EVO 3

                                      • MC4 System, pre-assembled, IEC1500V / UL1000V
                                      • The innovative integrated sealing system guarantees high protection categories of IP65, IP67 and IP68 (1h / 1m).
                                      • The connector can be locked in conformity with NEC 2011 by an integrated snap-in latch for maximum dependability, and can be unlocked only with the tool PV-MS-PLS.
                                      • Compatible for mating with MC4.
                                      • Only available pre-assembled with the conductor cross sections 2,5mm², 4mm² and 6mm².

                                • MC4-EVO 2

                                      • Female and male cable coupler MC4-EVO 3

                                        • The MC4-Evo2 is the latest addition to the Multi-Contact PV connector portfolio.
                                        • Internationally certified with IEC, UL, JET, cTÜVus
                                        • Approved for 1500 V DC (IEC, JET), 1000 V DC (UL) unrestricted access
                                        • MULTILAM Technology, has proven the quality and durability several 100 million times since 2004
                                        • Suited for all climatic environments thanks to resistance to UV, ammonia, salt-mist spray and high IP class (IP68)
                                        • Available as a field and preassembled connector, MC4 tools can be used

                                  • Junction Box

                                      • Crystalline modules

                                          • PV-JB/WL-H

                                            • Junction box for electrical connection of horizontal ribbon conductors on crystalline modules
                                            • The low profile construction of the box allows it to be installed directly under the module frame. This saves valuable time in the installation process by eliminating the need to bend the connecting ribbons. Ribbon termination is achieved by welding, soldering, or, optionally, by terminal clips.
                                            • The box is fixed to the panel with silicone RTV. Additional protection given by the projecting cover, which prevents kinking of the cables at the point where they emerge from the cable gland.
                                            • Fully NEC 2011 compliant requiring the special tool PV-MS-PLS to disconnect the cable couplers.
                                            • Compatible with MC4
                                            • Custom versions on request:
                                              - Individual lead lengths
                                              - Equipped with MC3 and MC4 connectors
                                              - Cable colours red or blue (only TÜV types)
                                              - Can be produced on request with alternative bypass diode of type Diotec SBX3040 12A.
                                            • Includes PSA tape strips for fixturing during installation.

                                          • PV-JB/WL-V

                                            • Junction box for electrical connection of vertical ribbon conductors on crystalline modules
                                            • The low profile construction of the box allows it to be installed directly under the module frame. Ribbon termination is achieved by welding, soldering, or, optionally, by terminal clips.
                                            • The box is fixed to the panel with silicone. Additional protection given by the projecting cover, which prevents kinking of the cables at the point where they emerge from the cable sleeve.
                                            • Compatible with MC4
                                            • Fully NEC 2011 compliant requiring the special tool PV-MS-PLS to disconnect the cable couplers.
                                            • Custom versions on request:
                                              - Individual lead lengths
                                              - Equipped with MC3 and MC4 connectors
                                              - Cable colours red or blue (only TÜV types)
                                              - Can be produced on request with alternative bypass diode of type Diotec SBX3040 12A.

                                          • PV-JB-LC/SP

                                            • Single-pole, economically priced junction box for manual mounting based on the design of the tried and tested PV-JB-LC, equipped with MC4 connectors.
                                            • Optional cable retainer
                                            • Custom versions on request:
                                              – Individual lead lengths
                                              – Equipped with MC3 and MC4-EVO 3 connectors

                                          • PV junction box PV-JB/MF

                                            • Junction box can be supplied as complete solution or be purchased as stand-alone enclosure for complete customer generated solutions
                                            • Base enclosure PV-JB/MF carries certification, allowing for minimal re-test requirements
                                            • Available with several tiers of Engineering and Manufacturing support
                                            • Time and cost saving via cable-free, automation-friendly design and greater packaging density.

                                        • Thin Film

                                            • PV-JB-LC

                                              • Specially designed for thin-film PV modules
                                              • No additional potting
                                              • Assembly with silicone
                                              • BIPV suited
                                              • Flat design
                                              • Module ribbon connections prepared with pre-applied solder
                                              • Fitted with bypass diode1) (BY255; 3A) as standard

                                            • PV-JB/LP

                                              • High-power thin film single pole junction box for application only with silicone, with maximum rated current of 30A
                                              • Designed specifically for ease of resistance welding, the module ribbon termination is first in a vertical orientated outside of the enclosure. After welding the connection is pressed down into the potting well. Soldering is also possible (by first depressing the contact).
                                              • The design of the junction box allows fully automated assembly.
                                              • The housing is permanently sealed by potting the inner connection chamber.
                                              • High protection class IP67

                                            • PV-JB/SM

                                              • Designed specifically for fully automated assembly
                                              • Fast and robust assembly using recommended RTV encapsulant (pottant) and adhesive systems
                                              • Specially designed for thin film PV modules
                                              • MC4 Terminal connector integrated into the junction box
                                                Unique overflow well to capture excess encapsulant during assembly
                                              • Savings on cabling due to 45° orientation of the mating connectors
                                              • This Secondary safety cover PV-JB/SM-SSC is intended to further improve the already compliant weatherability of the PV-JB/SM.
                                              • Version without diode on request

                                            • PV-JB-LC

                                              • Single-pole, economically priced junction box for manual mounting based on the design of the tried and tested PV-JB-LC, equipped with MC4 connectors.
                                              • Optional cable retainer
                                              • Custom versions on request:
                                                – Individual lead lengths
                                                – Equipped with MC3 and MC4-Evo2 connectors

                                            • PV-JB/LP

                                              • Specially developed for thin-film PV modules
                                              • Designed for fully automated assembly
                                              • High dependability due to perfect matching of components, potting compound, silicone and adhesive foil.
                                              • Compartment for electrical connection between box and panel hermetically sealed with potting compound.
                                              • Compact design due to integration of the MC4 connection technology directly into the junction box
                                              Pre-assembled PV cables:
                                               The connection of the TwinBox is achieved by using the MC4 connector system. Depending on the choice of cables and connectors various voltage systems may be realized: IEC 1000 V – 1500 V as well as UL 600 V – 1000 V.

                                          • Advantages

                                            • Markets

                                                • Spot Welding

                                                • Animated guide to our connector solutions for spot welding applications

                                                • Railway

                                                • Animated guide to our connector solutions for railway applications

                                                • Photovoltaics

                                                • Animated guide to our connector solutions for photovoltaic applications

                                                • Aeronautics

                                                • Animated guide to our connector solutions for aeronautical applications

                                                • Healthcare Technology

                                                • Our solutions for medical technology, diagnostic and therapeutic equipment ...

                                                • Measurement & Testing

                                                • Our solutions for laboratory test and measurements, process control or quality inspection ...

                                                • Electronics & Communication

                                                • Solutions for Electronics and Communication on request

                                                • Defence

                                                • Solutions for Defence and civil protection equipment on request

                                                • Energy

                                                • Our solutions for energy, power utility, transmission or distribution ...