Littlefuse has been an established circuit protection supplier to the photovoltaic (PV) industry for many years, well before the current “green” movement. PV designers have confidently used the KLKD 600V DC midget fuse in applications such as combiner boxes and DC-to-AC inverters. With many designers may not know is the breadth of products that Littlefuse has to offer. These products are specifically designed to increase safety to personnel and improve energy production uptime for the PV industry. These products are UL Listed or Recognized.