Stäubli MC4-plug PV-KST4/6I-UR male connector.

The Stäubli MC4-plug PV-KST4/6I-UR is an original MC4 male photovoltaic connector designed for the safe and reliable connection of solar cables in PV systems. Suitable for 4–6 mm² solar cables with an outer diameter of 5–6 mm, it provides a durable, low-resistance connection for residential, commercial, and utility-scale solar installations.

Featuring the proven MULTILAM contact technology, the connector ensures consistently low contact resistance and high reliability throughout its service life. It is compatible with the original MC4 connector family and MC4-EVO 2, making it an excellent choice for new installations, maintenance, and replacement applications.

Designed for demanding outdoor environments, the PV-KST4/6I-UR supports system voltages up to 1000 V DC (IEC), carries up to 39 A, and offers excellent protection against moisture, dust, UV exposure, and temperature extremes.

Key Features

• Original Stäubli MC4 male connector
• For 4–6 mm² PV cables
• Suitable for cable diameters 5–6 mm
• Rated current up to 39 A
• Rated voltage up to 1000 V DC (IEC)
• Proven MULTILAM low-resistance contact technology
• Compatible with MC4 and MC4-EVO 2 connector systems
• UV, weather, and corrosion resistant
• Designed for long-term outdoor photovoltaic installations
• Quick and secure crimp connection

The Stäubli MC4-plug PV-KST4/6I-UR is the trusted choice for creating safe, durable, and high-performance PV cable connections in any solar installation.

More information about MC4-plug PV-KST4/6I-UR:

• Datasheet