Solutions for photovoltaic systems

Explore our whole range of solutions for residential, commercial and utility scale PV applications

Solutions for photovoltaic systems

Profitable and efficient long-term operation of photovoltaic systems

Profitable and efficient long-term operation of photovoltaic systems

Weidmüller offers a wide range of combiner boxes, monitoring solutions and components for large-scale PV projects and rooftop systems to meet your individual requirements: Benefit from our many years of experience in the photovoltaic industry, the know-how of our experts and our global network.

Our portfolio for photovoltaic systems:

Connection & Combination

Connection & Combination

Connection & combination of PV strings from field or array

Protection

Protection

Protection against surges and touching

Monitoring

Monitoring

Monitoring of string performance and component status

Visit us at the Intersolar 2025

Visit us at the Intersolar 2025

From 07 to 09 May 2025 | Munich | Hall B4, Stand 340

Optimised PV systems for installers, planners and operators - Weidmüller makes it easy! Discover at Intersolar 2025 how you can make your projects safer and more profitable with our standard-compliant surge protection and intelligent monitoring solutions.

Contact us to arrange a personal meeting and receive a free ticket!

Product news for utility scale and rooftop PV systems

AC SPD-Box

Protect charging stations and PV systems against overvoltage

PV Next fireman switch with overvoltage protection

Combining PV strings in a space-saving way, protection against overvoltage, reliable disconnection and automatic reconnection

PV retrofit combiner boxes

Manage data at string level in existing PV plants without monitoring

PV communication & weather boxes

Ensure a reliable measurement and communication infrastructure in the PV plant

Select the type of PV system

Solutions for utility scale photovoltaic systems

Efficient operation of PV systems in the long term

Our solutions for project designers and plant engineers of large scale PV projects

Solutions for rooftop photovoltaic systems

Optimal protection of PV systems

Easy, fast and safe installation of PV systems on top of commercial or residential buildings

PV accessories

PV Tools

Reliable installation tools

PV plugs and PV cables

PV stick with SNAP IN connection, WM4 C with crimp connection and PV cable assembly

Lightning and surge protection

Reliable protection for your plants, devices, machines, and energy grids

PV Fuses

Reliable protection against both overload and short circuit.

PV reference projects from around the globe

Sandridge

Photovoltaic utility park project

After only four months of construction, the project was connected to the grid.

Oslo city hall

Rooftop application projects

The project shows that it is possible to establish solar cells on old buildings.

KN Van Ninh

Photovoltaic utility park project

The project not only contributes provide clean energy sources, but also contributes to labour settlement in the region.

100 K

Combiner boxes sold

50 M

Supported modules

10 GW

Installed power

1

Countries with local support

Outstanding sustainability: Weidmüller receives gold rating from EcoVadis

EcoVadis Ranking

Weidmüller has been honoured with the EcoVadis Gold Medal for its commitment to sustainability.

Find out more Read more

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