Jameco carries tons of power supply accessories including Ferrite E Core, the 7-Pin Clear Plastic Terminal Block Cover for Mean Well Power Supplies, the 20k Amp Surge Protection Device, and more. The 20k Amp Surge Protection Device features type 2 component assemblies with LED status indicator. Our customer service experts know that Jameco's success is built on the value of our customer relationships, so if a problem arises with your order, call us and we'll make it right.