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

The Stäubli MC4-plug PV-KST4/6II-UR is an original MC4 male photovoltaic connector designed for safe, efficient, and long-lasting DC connections in solar power systems. Suitable for 4–6 mm² PV cables, it provides a secure, low-resistance connection for residential, commercial, and utility-scale photovoltaic installations.

Featuring Stäubli's proven MULTILAM contact technology, the connector ensures excellent electrical conductivity, minimal contact resistance, and reliable performance throughout the lifetime of the PV system. It is fully compatible with the original MC4 connector family and MC4-EVO 2, making it ideal for new installations, system upgrades, and maintenance.

Engineered for harsh outdoor environments, the PV-KST4/6II-UR offers outstanding resistance to UV radiation, moisture, dust, and temperature fluctuations, ensuring dependable operation in demanding photovoltaic applications.

Key Features

• Original Stäubli MC4 male connector
• For 4–6 mm² PV cables
• Suitable for cable diameters 7.0–8.8 mm
• Rated current up to 39 A
• Rated voltage up to 1100 V DC (IEC)
• Rated voltage up to 1500 V DC (UL)
• Proven MULTILAM low-resistance contact technology
• Compatible with MC4 and MC4-EVO 2 connector systems
• UV, weather, and corrosion resistant
• IP65/IP68 protection when mated
• Secure locking mechanism and crimp connection
• Designed for long-term outdoor photovoltaic installations

The Stäubli MC4-plug PV-KST4/6II-UR delivers a secure, weather-resistant connection for reliable, high-performance photovoltaic installations.

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

• Datasheet