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New crimp-free MC4 PV DC connector

Allschwil/Switzerland, March 18, 2024 − With the MC4-Evo ready Stäubli launches a new crimp-free cable coupler within its Original MC4 product portfolio. The MC4-Evo ready is an easy-to-use and quickly-to-assemble PV connector for solar installations up to 1500 V DC.

The market leader and pioneer for PV DC connectors enhances its cable coupler portfolio and introduces the crimp-free MC4-Evo ready. The assembly of this new connector is crimp-free based on the snap-in-technology. This feature eases and speeds up assembly and installation time while still offering safe and reliable operation for in-string and homerun applications. The new MC4-Evo ready is mateable with the existing connectors of the Original MC4 product portfolio.

Click and Connect

Crimp-free connectors do not require special tools as the contact is made by an automatically closing spring clamp. The connectors come pre-assembled and are eady to use.  Simply insert the stripped PV cable, listen to the click, screw on the cap nut and you’re ready to connect.

Product main features

  • Suited for cable cross sections of 4 mm² and 6 mm²
  • Outer cable diameter: 5.4 – 7.6 mm
  • Mateable with Original MC4 product portfolio
  • Rated DC 1500 V
  • Ambient temperature range: -40 °C … +85 °C (IEC)
  • Upper limit temperature: 115 °C (IEC)
  • Degree of protection, mated: IP65/IP68 (1 m, 1 h)
  • Type of connection: Spring clamp (tool free connection)
  • Fire protection class: UL94-V0
  • TÜV Rheinland certified according to IEC 62852:2014+Amd. 1:2020


About Stäubli

Stäubli offers innovative mechatronics solutions in its four divisions: Electrical Connectors, Fluid Connectors, Robotics, and Textile. Founded in 1892, Stäubli is now an international corporation with headquarters in Pfäffikon, Switzerland, and with over 6,000 employees worldwide. Stäubli has a presence in 28 countries with production, sales and service subsidiaries, including a network of agents in 50 countries.

Stäubli Electrical Connectors develops advanced connection solutions based on the reliable MULTILAM contact technology and provides connections for life in industries such as industrial automation applications, power transmission and distribution, railway, welding automation, test and measurement, medical devices and E-mobility. In the industry of renewable energy Stäubli is a pioneer and global market leader in photovoltaics with its MC4 connector portfolio that has set the industry benchmark. Active in this market for more than 25 years, Stäubli Renewable Energy creates the basis for sustainable change.