Question: How Many Watts Can A 5 Amp Fuse Take?

Can I use a 3 amp fuse instead of a 2.5 amp?


The fuse is there to protect the wiring and 3 amp is well within the supply wire’s capability.

Re: Radio calls for a 2.5 amp fuse..

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.

What Colour is a 5 amp fuse?

Fuse Color Codes, by AmpColorRatingGray2Violet3Pink4Tan59 more rows•Nov 8, 2017

What size fuse do I need for a 800 watt amp?

An 80 would be the minimum you should be running. A good rule of thumb to start with is 10 amps/100watts. Sometimes it takes a little more, but that is a good starting point. I have an 80 on my sub amp which just happens to be 800watts and it has never blown a fuse.

How much current can a 13 amp fuse take?

BS 1362 Fuse Operation Characteristics In fact a 13A fuse will allow a current of 20A to pass indefinitely without blowing.

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. If there’s a short-circuit it’ll be more than 5 amps, or 13. …

Will a 5 amp fuse work in a 13 amp plug?

No. You must use a 5A fuse. Using A 13A fuse is a fire risk. The fuse is there to protect the adapter in case of a fault.

How many watts can a 3 amp fuse take?

700 wattsPlugs for appliances rated up to about 700 watts should have a 3-amp fuse (coloured red). For example: 3A Fuse – Table lamp, standard lamp, television, video, computer, mixer, blender, fridge, freezer, power drill, jig saw, soldering iron.

What is a 5 amp fuse used for?

Domestic Appliances Fuse Ratings Coffee maker – 5 amp.

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 replace a 5 amp fuse with a 3 amp?

If so, yes, you can replace a 3A fuse with a 5A 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 you put a 13amp fuse in a 3 amp plug?

If it’s a rewireable type plug and the original fuse size fitted by the manufacturer is not known, the recommended method is to use the 700W rule: … For an appliance rated as 700W or less, a 3A fuse should be fitted. For appliances above 700W, a 13A fuse should be fitted.

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 size fuse do I need for a 1000 watt amp?

HUH? most true 1000 wrms amps call for 80a fusing…..but yours may require less..or more, google for the manual and find out.

How do you size a 12v fuse?

Find the size of fuse by multiplying the amps required by the device (2) by 1.5. 2×1.25 = 2.5 then we will round up to the nearest fuse size (in multiples of 5 amps) which would call for a 5 amp fuse.

What size fuse do I need for a 2000 watt amp?

Add all the fuse values together and you have the max the amps can draw. So if for exapmle the 2000w amp has 2-80a fuses..and the 300w has a 30a fuse..

What size fuse do I need for a 1200 watt amp?

You should use at least a 100A fuse. The fuse at the batt. is to protect the power wire.

Is it bad to use a higher amp fuse?

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.

How many watts can a 6 amp fuse take?

Circuit capacity A lighting circuit is protected by a 5- or 6-amp fuse or circuit breaker. This fuse size allows bulbs with a maximum combined wattage of 1150 watts (5 amps x 230 volts) or 1380 watts (6 amps x 230 volts) to be run off the circuit.

Can I replace a 2 amp fuse with a 5 amp fuse?

In the case of 5A fuse, the same will happen. It would be able to bear current supply ranging to 5 Amperes. Clearly, the size or specification of a fuse doesn’t affect its performance.

Can I use a 3a fuse in a 10a plug?

In simple terms, a 3A fuse should be used for appliances rated at 700W or less, and a 13A fuse for appliances rated over 700W. … In older appliances different types of fuses, such as 5A, 7A and 10A, may be found. If the appliance has a rating less than 700W, then these fuses should be replaced by a 3A fuse.