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Renewable Energy

Our demand for power is at an all-time high, yet the natural resources we have used to provide that power are diminishing, let alone causing environmental challenges. The desire for energy that is clean and replenishable is at the forefront and is growing at an incredible pace. With the advancement of technology and reliability in parallel with declining system costs, the future is looking very bright for Renewable Energy and the systems that create and support it.  

Littelfuse is a global manufacturer of leading technologies in circuit protection, power control, and sensing. We partner with customers to design, manufacture, and deliver innovative, high-quality solutions for a safer and greener world. 

Battery Energy Storage Systems (BESSs)


Recent growth in renewable energy generation has triggered a corresponding demand for battery energy storage systems (BESSs). The energy storage industry is poised to expand dramatically while the design of BESSs can still be considered in its infancy.

To meet the critical objectives of BESS integrators such as grid and equipment stability, preventing costly service interruptions or loss of revenue for suppliers as well as maintaining a safe environment for people, a comprehensive circuit protection strategy is crucial. Within a BESS, the major areas of concern are protection against electrical overcurrent, ground faults, arc flash, and transient overvoltage. Littelfuse offers products that will protect your system and extend the life of your equipment. With years of experience and expertise, we help guide you to make the most informed, cost-effective choices for your BESS system.

For more information visit: Battery Energy Storage Systems

Solar/Photovoltaic (PV) Energy


According to the U.S. Department of Energy, solar energy is the most abundant energy resource on earth with 173,000 terawatts of solar energy striking it continuously. As the demand for clean energy increases and production costs decline, this energy will become a major part of the product mix for future power plants.

With over 25 million devices installed in solar power systems, Littelfuse understands the challenges facing the photovoltaic (PV) market. We build products that reduce installation complexity and withstand harsh environments. Our solar solutions offer an array of protection to keep your systems up and running while keeping costs down. Some of our products include solar-rated fuses, relays, TVS diodes, varistors, power distribution blocks, dc disconnect switches, surge protective devices and other products to safeguard both your equipment and personnel.

For more information visit: Solar

Wind Energy


Wind Energy or wind power, depending where it is based, can be one of the lowest-priced energy costs available today. Furthermore, because the “fuel” is free, clean and replenishable, wind prices tend to be stable, and can be sold at a fixed price over a long period of time, unlike other sources of energy.

Wind turbines may be land-based and grouped together into rural wind plants for electrical grids or based off-shore as massive structures to generate vast amounts of energy--making them challenging to shelter from the environment let alone gain access to repair. Our circuit protection products such as arc-flash relays, high-speed/semiconductor fuses and surge protective devices keep wind turbines turning by protecting them from arc-fault, overcurrent, and transient overvoltage damage. In addition, our sensing products monitor components such as motor control drives to keep them moving.

For more information on wind energy components visit:

Arc-flash relays

High-speed/semiconductor fuses

Surge protective devices


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