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?

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

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?

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.

What is better, 4 more years of Trump with the media trying to hurt him, or 8 years of DeSantis with the media licking booty, or 4 to 8 years of RFK with the media hating on him all the time? (Biden is not an option, he can't win)

eight

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

[old diagram got deleted by accident]

Why am I attracted to older men?

(Dc diagram shown, AC is similar).

This device then solves the entire problem.

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

Trump speech prompts concerns about politicization of military - NBC News

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

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

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

Is the Donald Trump Bible any different from a regular Bible? Has Trump altered its contents?

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

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.

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

'AI scientist' discovers that common non-cancer drugs, when combined, can kill cancer cells - Earth.com

One

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

Here is a simplified AC power diagram.

Former Packers WR makes long touchdown in UFL championship - Acme Packing Company

In schematic diagrams this is the symbol for a fuse:

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

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

Auto-Parts Bankruptcy Is the First Big Casualty of Tariff War - WSJ

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.

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

What does a fuse do?

Final X Wrestling Results 2025, Live Updates, Matchups - FloWrestling

[image of Common-mode choke]

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

what exactly is a ‘surge’ protector?

Have you ever been forced to undress for money just once?

There are two important concepts here.

Barnstars:

A circuit breaker is similar, but is resettable.

Re-ranking the 16 super regional teams in the 2025 NCAA baseball tournament - NCAA.com

2024–10–00 [ Ammar Mahdi ] Ammar Mahdi

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

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

Why isn't bestiality illegal in most states? If children can't consent, then animals DEFINITELY can't consent. Why is being a pedophile a crime but zoophilia is not?

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.

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.

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

Why are so many Communist Chinese on Quora despite it being illegal for Chinese citizens to use Quora?

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

Upvotes:

2024–10–14 [Omar Gharbi Omar Gharbi ]

2024–10–16 [ OO OLAOYE OYEBODE ]

He then asserts :

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

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

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

This one hit behind the barn.

There are three different concepts here that are getting confused.

He then describes Rainy Season and Lightning.

I post the exact comment here.

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.

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

But it can get overloaded, and no longer works.

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

Edit 2024–10.

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

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

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

The other is “what does a “fuse” do?”

He then describes the function of a fuse.

a photo is worth a thousand words.

What is lightning?

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

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

This is 'the assistant's answer'

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

so, what happens?

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

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

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

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

First Sentence:

At least they know the answer if they wanted it.

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

2024–10–10[John johnson John Johnson ]

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

2024–10–11 [Victor Olarewsju Victor Olarewaju ]

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

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

“ 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”

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

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.

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

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

nine

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

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