Logo

What exactly is the difference between a surge protector and a fuse? Can a fuse protect the electronic devices from lightning instead of surge protector?

Last Updated: 29.06.2025 00:14

What exactly is the difference between a surge protector and a fuse? Can a fuse protect the electronic devices from lightning instead of surge protector?

2024–10–11 [Bobby Sanchez Bobby Sanchez ].

The other is “what does a “fuse” do?”

When the current is 200% of the rated value , it will “go open” (the link metal melts) and protect the device.

What are the extra benefits of a smart TV?

There is no harm in having the surge suppressor along with the fuse in the circuit. The fuse will not open up until the current melts the link. This will take time, and in the interim, that jolt will get transmitted into the power supplies.

a photo is worth a thousand words.

One

Why do people keep denying the similarities between Latin and Italian by saying they are totally different languages when it’s obvious they sound similar?

so, what happens?

“ A fuse is a device which protects the (circuit) against overload and short circuit.”

This is a high voltage low current spike that comes down the line because of the power poles being struck, and the voltage suppressors activating on the primary side of the transformer.

How should one handle a situation where they suspect their partner of cheating, but their partner denies it and claims it is all in their head?

There are three different concepts here that are getting confused.

It’s been three xxx five werks, and there has been no response to my follow on query on his Commment to my answer.

These devices are installed between the “hot” and “neutral” and protective ground.

Seattle shop attracts top rock stars seeking vintage guitars - The Seattle Times

At least they know the answer if they wanted it.

This is where this question deviates from being a 'generic' question, and becomes more specific.

This is 'the assistant's answer'

Padres Designate Jason Heyward For Assignment - MLB Trade Rumors

A circuit breaker is similar, but is resettable.

This one hit behind the barn.

And this is the problem alone. Is the power supply in the equipmemt designed with a lightning strike in mind? Some yes, others, no.

Hurricane Sandy May Have Affected The Brains of Unborn Children - ScienceAlert

Once the voltage goes over 0.0650 volts, then this fact can be used to amplify the difference, and turn the circuit breaker off , furthur down the line. Essentially that is what a RCD/GFCI does, it compares the incoming current, to the outgoing current, and if the difference between the two currents is over 5mA, then it trips the circuit breaker.

Now when you have a certain ac resistance, then a current flows in a loop.

A fuse is a non-resetable over current circuit protector.

What do you think of the controls that will be set up over information flows at Taiwan's Ministry of Foreign Affairs' missions?

but this device (an Inductor) … impedes the rapid changes in the current.

First Sentence:

but I think this circuit , shows a few more pieces.

James Webb Space Telescope Has Spotted Something “Abnormal, Chaotic, and Strange” 60 Light-Years from Earth - The Debrief

eight

So, the voltage could go up to 500 volts, and the fuse will not open up.

Can the fuse protect the electronic devices from lightning instead of a surge protector.

Hey there anyone awake at this time myself an bubble butt wife with her big ass tits is extremely Horny come join us on a private video call an watch us get kinky an naughty😋😋😋😋

But it can get overloaded, and no longer works.

Barnstars:

So combined with a device called a MOV or Metal-oxide-resistor, then forms the 3rd part of a “surge suppressor “.

What’s one positive trait you’ve gained because of BPD?

This is an electronic circuit designed to clamp voltages so that the Voltage Potential that appears at the outlet is never going to exceed the nominal value.

[image of Common-mode choke]

Mohan forgets that a fuse is a one-time device, and needs to be replaced if it is tripped.

2024–09–27 [ Mohan Rajaratnam Mohan Rajaratnam ] . Thinks you can get free electricity from nothing : Mohan Rajaratnam's answer to Is it possible to generate free electricity at home using a magnet or other low-cost methods? If so, how does it work?

In schematic diagrams this is the symbol for a fuse:

If the nominal power is 4,000 watts then the current at 230volts is 16 amps.

It seems Mohan does not understand the difference between a comment and an Answer.

what exactly is a ‘surge’ protector?

nine

Here is a simplified AC power diagram.

Because the load is inductive, the current lags the voltage.(by a bit).

So, it’s possible that these devices from Trip Lite have addition suppression devices, these ones seem to be sturdy.

These are simplified answers to the original question, and does not change anything I wrote above.

Edit 2024–10.

At one ohm, the resistor has a maximum of 1 watt power.

This is a photo where a lightning bolt took out a home's complete mains distribution box, and a lot of electronic gear as well.

It also is a device that limits the change in current flow.

Would individual surge supressors have save this equipment? most likely, since the surge supressor would take the jolt instead of the electronic components.

This is the picture of an electronic coil of wire wound around a core of magnetic material.

Fuses, on their own, then operate much slower than the MOV variable resistance, during the lightning strike.

What does a fuse do?

2024–10–00 [ Ammar Mahdi ] Ammar Mahdi

2024–10–10[John johnson John Johnson ]

One is “what exactly is in a ‘surge protector’ ? ”

At the secondary, it is 1000 times less.)turns ratio). If it gets hit with a 100,000 volt bolt of lightning then the voltage arrestors conduct and clamp the voltage down to line voltage, ( but a small amount leaks down the line). This is the problem.

There are two important concepts here.

P = e* I, so since I is 16 amps, then the voltage dropped is 1/16 volt or 0.0650 volts.

An AC voltage/ current source, and an ac inductive load.

2024–10–16 [ OO OLAOYE OYEBODE ]

This device then solves the entire problem.

Lightning arrestor is a spark-gap device, and can be installed anywhere. What is important, is that the wire is thick enough to withstand the lightning bolt and conduct the energy away from the building.

2024–10–11 [Victor Olarewsju Victor Olarewaju ]

Upvotes:

“ A surge suppressor is the one which is connected at the input supply so that when there is a sudden change voltage it bypasses thereby protecting the (circuit) and electronic components”

This is where the MOV conducts again, and dissipated the energy.

The bolt then partially travels down the line to your home.

What is lightning?

“ … to protect building, lightning arrestor, is provided above building and directly connected to earth.”

(There is no concept of polarity, in the loop because the current changes direction 100 to 120 times a second (power frequency).

2024–10–14 [Omar Gharbi Omar Gharbi ]

[old diagram got deleted by accident]

For this case there are devices called Metal oxide varistors (MOV).

Is the question then , "why buy a surge supressor, if the fuse alone protects the electronic circuits from a lightning bolt?".

But… the neutral is now “floating” because of the 1 ohm resistance.

He then describes the function of a fuse.

He then asserts :

He then describes Rainy Season and Lightning.

I post the exact comment here.

The MOV will conduct when the voltage exceeds 50% of line voltage.

OK, this is Mohan Rajaratnam’s definition of a Surge suppressor.

The third is lightning and “how it gets conducted into a home.”

so, the loop of wire then, when put together with another loop reduces the ‘noise’ on a power line.

(Dc diagram shown, AC is similar).

the problem then depends on "how fast does the fuse operate?".

But during the surge, the fuse will not blow if it is a longer duration and lower value )10 to 50%).