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: 27.06.2025 00:21
This one hit behind the barn.
So, the voltage could go up to 500 volts, and the fuse will not open up.
“ A fuse is a device which protects the (circuit) against overload and short circuit.”
If Sharks Don't Have Lungs Then What Are Their Nostrils Doing? - IFLScience
eight
I post the exact comment here.
And this is the problem alone. Is the power supply in the equipmemt designed with a lightning strike in mind? Some yes, others, no.
This is the picture of an electronic coil of wire wound around a core of magnetic material.
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.
Would individual surge supressors have save this equipment? most likely, since the surge supressor would take the jolt instead of the electronic components.
How is ChatGPT different from Claude AI or Bard?
A circuit breaker is similar, but is resettable.
These are simplified answers to the original question, and does not change anything I wrote above.
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).
Mohan forgets that a fuse is a one-time device, and needs to be replaced if it is tripped.
OK, this is Mohan Rajaratnam’s definition of a Surge suppressor.
For this case there are devices called Metal oxide varistors (MOV).
But it can get overloaded, and no longer works.
“ … to protect building, lightning arrestor, is provided above building and directly connected to earth.”
Some candidates focus on blocking Cuomo’s path a day before NYC’s mayoral primary - AP News
Edit 2024–10.
A fuse is a non-resetable over current circuit protector.
2024–10–11 [Bobby Sanchez Bobby Sanchez ].
Georgia-Alabama game time, TV Network among those announced by ESPN - DawgNation
If the nominal power is 4,000 watts then the current at 230volts is 16 amps.
2024–10–16 [ OO OLAOYE OYEBODE ]
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.
Why is Meghan Markle's Hollywood presence fading despite her royal status and Netflix deal?
Fuses, on their own, then operate much slower than the MOV variable resistance, during the lightning strike.
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.
Because the load is inductive, the current lags the voltage.(by a bit).
Does Form Really Shape Function? - Quanta Magazine
Is the question then , "why buy a surge supressor, if the fuse alone protects the electronic circuits from a lightning bolt?".
The bolt then partially travels down the line to your home.
There are two important concepts here.
Florida Panthers vs Edmonton Oilers Prediction 6/14/25 NHL Picks - PickDawgz
P = e* I, so since I is 16 amps, then the voltage dropped is 1/16 volt or 0.0650 volts.
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.
This is where the MOV conducts again, and dissipated the energy.
Retinal prosthesis woven from tellurium nanowires partially restores vision in blind mice - Phys.org
2024–10–11 [Victor Olarewsju Victor Olarewaju ]
It’s been three xxx five werks, and there has been no response to my follow on query on his Commment to my answer.
He then describes the function of a fuse.
Scientists develop 'mosquito STD' to combat malaria - Phys.org
At one ohm, the resistor has a maximum of 1 watt power.
nine
It seems Mohan does not understand the difference between a comment and an Answer.
What does a fuse do?
2024–10–14 [Omar Gharbi Omar Gharbi ]
what exactly is a ‘surge’ protector?
Can the fuse protect the electronic devices from lightning instead of a surge protector.
It also is a device that limits the change in current flow.
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.
but this device (an Inductor) … impedes the rapid changes in the current.
2024–10–00 [ Ammar Mahdi ] Ammar Mahdi
The MOV will conduct when the voltage exceeds 50% of line voltage.
An AC voltage/ current source, and an ac inductive load.
Here is a simplified AC power diagram.
He then asserts :
This is where this question deviates from being a 'generic' question, and becomes more specific.
But… the neutral is now “floating” because of the 1 ohm resistance.
This is 'the assistant's answer'
What is lightning?
So combined with a device called a MOV or Metal-oxide-resistor, then forms the 3rd part of a “surge suppressor “.
so, what happens?
In schematic diagrams this is the symbol for a fuse:
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?
These devices are installed between the “hot” and “neutral” and protective ground.
One
The other is “what does a “fuse” do?”
2024–10–10[John johnson John Johnson ]
a photo is worth a thousand words.
Now when you have a certain ac resistance, then a current flows in a loop.
There are three different concepts here that are getting confused.
[old diagram got deleted by accident]
But during the surge, the fuse will not blow if it is a longer duration and lower value )10 to 50%).
At least they know the answer if they wanted it.
He then describes Rainy Season and Lightning.
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.
One is “what exactly is in a ‘surge protector’ ? ”
but I think this circuit , shows a few more pieces.
First Sentence:
“ 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 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.
Barnstars:
The third is lightning and “how it gets conducted into a home.”
This device then solves the entire problem.
So, it’s possible that these devices from Trip Lite have addition suppression devices, these ones seem to be sturdy.
Upvotes:
(There is no concept of polarity, in the loop because the current changes direction 100 to 120 times a second (power frequency).
[image of Common-mode choke]
the problem then depends on "how fast does the fuse operate?".
When the current is 200% of the rated value , it will “go open” (the link metal melts) and protect the device.