Can fuses be used for DC?

Can fuses with an AC voltage rating be used in a DC applications? Fuses must be rated for the voltage AC or DC in which they will be used. Generally, fuses have a DC voltage rating that is half of the maximum AC voltage rating.

What does a DC fuse do?

In a DC circuit, when the current exceeds the limit, the metallic wire in the fuse melts and disconnects the rest of the circuit from power supply. Since DC is constant value and is always above 0V, there is a chance of an electric arc between the melted wires, which will be difficult to avoid and turn off.

What is an ANL fuse?

ANL fuses are used for general cable protection, providing a ‘medium blow’ (around 1 second) protection. These ANL fuses all feature fixing holes suitable for 5/16″ studs and range from 50 amps to 500 amps. Fuse holders designed for ANL fuses are also available.

Can I use a 250V fuse instead of 12V?

However, for less than 12V, or if you need a very precise voltage level use fuses specificaly adapted. Yes, you can use them, The amp rating does not change.

Can I use 250V fuse instead of 125V?

For example, a 125V fuse can be replaced with a 250V fuse of equal amplitude while the voltage of the application is 250V or lower, but a a 250V fuse can’t be replaced with a 125V fuse of equal amplitude if the voltage of the application exceeds 125V.

Are AC and DC fuses different?

Fuses are first rated by the ac and/or dc circuit voltage into which they can be safely applied. A fuse installed in an AC circuit performs differently than when installed in a DC circuit. Fuses can operate at any voltage below or equal to their rated voltage.

Are ATO and ATC fuses the same?

ATO fuses and ATC fuses are regular-sized automotive blade fuses. They are interchangeable, provided the amperage rating is the same.

Can I use a 240v fuse in a 12v circuit?

Yes, it will be fine. Fuses sometimes have a maximum voltage rating that they can safely interrupt, but that’s a function of the distance between the terminals and the insulating material used. (For instance, most car-type blade fuses are rated for 32 volts.)

How many amps is a 250 volt fuse?

Semiconductor Fuse – 250 Volts The 250 volt semiconductor fuse is a current limiting very fast-acting fuse rated to 250 volts AC and up to 250 volts DC. Current ratings range from 1 to 2,500 amps. The maximum interrupting rating is 200,000 amps AC and 100,000 DC.