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?

09.06.2025 02:52

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?

This is 'the assistant's answer'

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.

The other is “what does a “fuse” do?”

A Manson Family member was recommended for parole again. But she's not free just yet - NPR

“ 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”

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

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

Democrat voters, why are you so naive, easy to manipulate, can't see a liar standing right in front of you and why won't you research your party? You will find they have a plan for all W. Nations and it's evil.

There are three different concepts here that are getting confused.

He then asserts :

I post the exact comment here.

What do people aim for when they meditate, and how do they do it properly?

He then describes Rainy Season and Lightning.

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

[image of Common-mode choke]

Are you offended if Democrats call Republicans "weird"?

so, what happens?

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

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

What was the hottest inappropriate sex you ever had?

2024–10–10[John johnson John Johnson ]

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.

There are two important concepts here.

Liberals, why don't you like Conservatives?

One

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

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

POLL: ESPN writer stokes the flames of Lions trading for All-Pro EDGE - Pride Of Detroit

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

(Dc diagram shown, AC is similar).

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

UNC Pours It On Arizona in Opener, Piles Up Super Regional Record - 247Sports

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

What is lightning?

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

Exercise improves colon cancer survival, high-quality trial finds - Ars Technica

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

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

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

When do you start "growing old"?

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.

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

Can you write a poem or short story based on the first image that shows up on Pinterest?

This one hit behind the barn.

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

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

UK civil servants who used AI saved two weeks a year, government study finds - Financial Times

A circuit breaker is similar, but is resettable.

In schematic diagrams this is the symbol for a fuse:

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

What is the reasoning behind conspiracy theorists claiming that there were multiple shooters involved in the JFK assassination?

First Sentence:

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

But it can get overloaded, and no longer works.

If Delta Force soldiers wanted to form a criminal gang, how dangerous would they be with all their equipment (explosives, rifles, vests, night vision goggles)?

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

This device then solves the entire problem.

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

At least they know the answer if they wanted it.

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

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.

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

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

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

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

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

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

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?

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

a photo is worth a thousand words.

Here is a simplified AC power diagram.

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

[old diagram got deleted by accident]

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

nine

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.

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

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

Upvotes:

2024–10–16 [ OO OLAOYE OYEBODE ]

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.

What does a fuse do?

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.

what exactly is a ‘surge’ protector?

eight

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.

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

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

2024–10–00 [ Ammar Mahdi ] Ammar Mahdi

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

Barnstars:

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.

2024–10–14 [Omar Gharbi Omar Gharbi ]

Edit 2024–10.

He then describes the function of a fuse.

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

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