Staubli

Stäubli Connectors – Trusted Solar PV Connections for Maximum Efficiency and Safety

Ensure reliable performance and long-term safety with Stäubli MC4 connectors and solar PV connection components, trusted globally by solar professionals for over two decades. Engineered in Switzerland and used in millions of installations worldwide, Stäubli products deliver low contact resistance, secure locking systems, and superior weather resistance — making them the gold standard for PV system interconnections.

Ideal for residential, commercial, and utility-scale solar, Stäubli ensures your power flows efficiently — and safely.

Browse our Stäubli collection and build your solar system with the industry’s most trusted connectors.