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The Original MC4 DC PV connector offers a unique high contact quality.

the benchmark beyond question

There’s only one Original MC4 PV connector

Important to know

  • Invented by Stäubli engineers in Switzerland
  • Manufactured in compliance with European Conformity
  • MC4 is a protected trademark of Stäubli

Minimize risk. Maximize return.


Advanced contact technology 

The core of the Stäubli PV connectors is the innovative MULTILAM contact technology. This unique contact principle stands out due to multiple contact points that improve connection quality and energy transfer thanks to its constant spring pressure and unique design. This results in constantly low contact resistance, ensuring safe and long-life operation and reduces downtime and service cost significantly.

This differentiating contact technology minimizes the risks of power loss, downtimes, hotspots, or even a fire that could lead to enormous reconstruction costs. The original Stäubli PV connectors of the MC4 connector portfolio are very stable in terms of temperature and show no heat accumulation.


Bankability - a matter of trust

Gain the trust of investors and build the foundation for long-term economic growth.

 

Cross-Connections

Gain knowledge in optimizing your PV system and avoiding technical failures caused by cross-connecting components. 

Market Leadership

With over 2 billion PV connectors installed worldwide, Stäubli connects more than 50% of the world’s cumulative PV capacity.



The Original MC4 product line