Small Components. Big Impact.

Stäubli Electrical Connectors - A leading manufacturer of solar electrical connectors builds on more than 55 years of engineering and design experience to continually break new ground in the field of advanced contact technology. Our original MC4 Connectors, MC4 Branch Connectors, and the MC4 Inline Fuse with a crimped fuse connection which guarantees a long-lasting, stable connection for solar installations are tried and true.​ Stäubli was the first to design and patent the MC4 technology.

Find out more
We'd love to hear from you. Fill out our form and one of our knowledgeable sales representatives will get back to you shortly. ​

We hold the patent for the MC4 connector, and we originated the technology that has been crucial for safe and long-lasting installations.

As part of our commitment to our customers, we provide expert advice and the best possible support to help with your concerns - however challenging they may be. Please let us know how we can better help you with our products and services to better assist you with your project.

---