Quick Answer: What Do You Use A 3 Amp Fuse For?

How many watts can a 5 amp fuse take?

1150 WattsIf your lighting circuit at home is protected by a typical 5 amp fuse you can multiply this by the voltage to get 1150 Watts..

What happens if you put a 5 amp fuse in a 3 amp plug?

If you replace it with a 5A fuse you will lose part of the protection the 3A fuse was intended to provide. In case of a failure of the device the fuse is suppose to protect, the result of using a larger fuse could be to damage the device to the extent that it could not be repaired. It could also start a fire.

Can I use a 5 amp fuse instead of a 3 amp fuse?

But consider this. A 3A fuse was used for a reason. If so, yes, you can replace a 3A fuse with a 5A fuse.

Can I use a 3 amp fuse instead of a 2 amp?

3 amp should be fine. the fuse is mainly there to protect from burning wires. you might try Radio Shack – they would have the fuse in a higher voltage rating (usually 250 volt), but that won’t cause a problem.

What amp fuse do I need for LED lights?

75mm is good for about 7.5 amps max. I generally like to have at least 100% extra rating so a 3 amp fuse max is what i would use. This should be plenty for 4 leds. If you have working leds but blow a 10A fuse i think your wiring needs checking and you will probably find your fuse is directly across the battery.

What happens if you use the wrong amp fuse?

Fuses are present to protect the components of the electrical system. Rather than destroying the circuit when there is a surge of power, the fuse blows to protect it. … If you use a fuse with the wrong amperage, the fuse won’t blow as intended, damaging the circuit and resulting in a much larger repair bill.

Can I replace a 10amp fuse with a 13 amp fuse?

If you replaced it with 13A fuse, it will allow current more than 10A, so it may possible that other components may get damage due excessive current flow than specified. If TV components can sustain up to 13 A current, you can replace it. … You can put a smaller fuse in with the same “speed” rating.

What are 5 amp fuses used for?

Some circuits in older houses might contain Fuse Wire instead of Fuses. If this is the case in your house, you should use 5 amp wire for a lighting circuit, 15 amp for an immersion heater circuit, 30 amp wire for a ring main or cooker circuit (for cookers up to 12 kw).

Can I replace a fuse with a higher amp?

In general, NO. Replacing a fuse with a higher-amp fuse is a very bad idea and can lead to fires. Fuses (and circuit breakers) are rated such that they blow or trip before any part of the circuit gets to a dangerous current. … Fix the underlying problem, and you won’t have any more blown fuses.

Can I use a 2 amp fuse instead of 1 amp?

Originally Answered: Can I replace a fuse with a lower amp? Yes of course you can, that’s no problem. Of course, the fuse will blow sooner and maybe immediatley because the circuit is designed to pull more current than the fuse can handle, but that won’t do any actual harm… you just won’t be able to use the device.

How do I know what amp fuse to use?

Fuse rating = (watts/volts) x 1.25 Say the calculated fuse rating is 2.2679 amps, use a 3 amp fuse. Say the calculated fuse rating is 4.9431 amps, use a 5 amp fuse.

Can I put a 10amp fuse in a 5 amp?

Possibly yes. What ever is wired into that 5 amp slot is rated for a max of 5 amps, overdrawing more than 5 amps by removing the 5 amp fuse and putting in a 10 amp fuse can possibly short out a circuit.

How do you know what size fuse to use?

In order to select the right amperage of the fuse, you first need to know the full-load steady-state current of the circuit at an ambient temperature of 25º C (68º F). Once the current value is determined, then a fuse rating should be selected as to be 135% of this value (taken to the next standard value).

What are 2 amp fuses used for?

Fuses are commonly available in the following sizes: 2 Amp: Suitable for up to 480 watts (black markings) and used in low power devices like radios and shavers. 13 Amp: Suitable for up to 3000 watts (brown markings) and used in high current devices such as kettles, toasters and heaters.

Can I use a 13a fuse in a 3a plug?

For an appliance rated as 700W or less, a 3A fuse should be fitted. For appliances above 700W, a 13A fuse should be fitted. … BS1363 has standardised on just two preferred fuse ratings, 3A and 13A, however any fuse rating up to 13A can still be used.