Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
The voltage rating on a fuse is the rating that ensures circuit interupption when the fuse element opens due to an over current condition. What this means is if the normal voltage is 125 and a 250V fuse is in the circuit, upon an over current condition the fuse element may arc and not cut off the voltage to the circuit.
I would never use a 125V fuse in a 250V circuit.
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