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Product Selector Tools

With Mersen's online Product Selector Tools, you can quickly and accurately choose the right overcurrent fuse protection, surge protection device (SPD), or switch for your equipment. Mersen’s online Product Selector Tools will save you time and effort, and best of all, they’re free!


Mersen's Product Selector Tools run in a pop-up window, so please check to make sure that pop-ups are not blocked on your computer. For best results, we recommend using Mozilla Firefox or Google Chrome as a browser.