The Original MC4 is the world’s leading PV connector designed and engineered by our in-house experts more than 20 years ago. As the most installed PV connector worldwide, the MC4 continues to set new industry benchmarks thanks to our drive for excellence and innovation.

Stäubli connectors are crafted with Swiss precision, offering optimal efficiency and long-term performance for small to large-scale PV systems. When selecting connectors, trust the original to rest assured that your operations will be safe and perform sustainably for decades to come.

Important to know

• Invented by Stäubli engineers in Switzerland
• Designed and manufactured meeting the highest quality requirements according to current standards and EU specifications
• MC4 is a protected trademark of Stäubli
• The Original MC4 products are intermateable with all Stäubli connectors of the MC4 product family