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?

11.06.2025 03:36

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?

A circuit breaker is similar, but is resettable.

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

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

Do snipers lay on top of tank turrets during combat?

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

This one hit behind the barn.

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

JoJo Siwa Says She Is 'Head Over Heels' as She Confirms Relationship with Chris Hughes: 'It's Not Platonic Anymore' - People.com

He then describes the function of a fuse.

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

At least they know the answer if they wanted it.

‘Ballerina’ Hopes To Tiptoe Past $30M U.S., $60M WW As ‘Lilo & Stitch’ Continues To Bigfoot – Box Office Preview - Deadline

In schematic diagrams this is the symbol for a fuse:

One

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

Why do women have sex with dogs?

But it can get overloaded, and no longer works.

[old diagram got deleted by accident]

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

NASCAR Cup Series qualifying order for Michigan International Speedway - NASCAR.com

so, what happens?

What is lightning?

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

Wout van Aert rode harder than ever on the Finestre to help deliver Simon Yates to Giro d’Italia victory - Cycling Weekly

I post the exact comment here.

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

“ 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”

Why are people outraged over Latina actress, Rachel Zegler, being cast to play Snow White in the live action remake of Disney’s Snow White and the Seven Dwarfs?

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

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

Upvotes:

Dying Light: The Beast launches August 22 - Gematsu

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

There are two important concepts here.

2024–10–00 [ Ammar Mahdi ] Ammar Mahdi

What is the best technique for inserting a tampon into one’s anus?

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

[image of Common-mode choke]

what exactly is a ‘surge’ protector?

Wow! The changeover from President Biden to VP Kamala Harris as candidate could not have been more successful in just 2 days! It was as if they had been planning it. Could they have planned it? Are you excited by the positive Democratic response?

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

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

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

Hailee Steinfeld & Josh Allen marry in west coast ceremony - Buffalo Rumblings

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

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 three different concepts here that are getting confused.

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.

eight

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

a photo is worth a thousand words.

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

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.

Here is a simplified AC power diagram.

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

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

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

He then asserts :

What does a fuse do?

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

He then describes Rainy Season and Lightning.

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

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

The other is “what does a “fuse” do?”

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

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.

Barnstars:

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

2024–10–14 [Omar Gharbi Omar Gharbi ]

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

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.

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

This is 'the assistant's answer'

First Sentence:

Edit 2024–10.

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

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

2024–10–11 [Victor Olarewsju Victor Olarewaju ]

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

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

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.

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.

(Dc diagram shown, AC is similar).

nine

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

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

2024–10–10[John johnson John Johnson ]

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

2024–10–16 [ OO OLAOYE OYEBODE ]

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

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

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

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

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

This device then solves the entire problem.