Weidmuller USA: WM4 C PV Connectors for Solar Applications

February 23, 2026
Weidmuller USA has recently unveiled WM4 C PV Connectors for advanced solar applications.
With robust and reliable crimp contacts that support up to 1500V, these UL-approved PV Connectors are compatible with residential, commercial and utility-scale photovoltaic systems. Designed with an anti-tampering locking mechanism, the WM4 C PV Connectors provide a durable solution for any PV connection.
Significant highlights of high-quality WM4 C PV Connectors include:
- One crimp contact for 4mm² and 6mm² (12 AWG and 10 AWG) cables
- UL and CSA approval provides the assurance of a safe and reliable connection
- Rated up to IP67
- Robust crimp connection ensures no power is lost from panels
- Anti-tampering locking mechanism prevents accidental damage and reduces downtime
As an added benefit, Weidmuller offers two styles of PV Connectors – Coupling Connectors for panels and Panel Receptacle Connectors for combiner boxes and monitoring boxes – along with a full complement of tools and accessories.
“The new WM4 C connectors pair well with our PV DC Combiner Boxes with real-time string monitoring to maximize long-term performance of PV systems,” said John Froustet, Director, Device and Field Connectivity Division at Weidmuller USA. “Weidmuller’s future-oriented PV solutions are engineered to increase operational efficiency in industrial photovoltaic systems.”






