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?
12.06.2025 14:58
“ … to protect building, lightning arrestor, is provided above building and directly connected to earth.”
At least they know the answer if they wanted it.
what exactly is a ‘surge’ protector?
Edit 2024–10.
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.
F1 in Spain: Now that was a lapse in judgment - Ars Technica
eight
In schematic diagrams this is the symbol for a fuse:
“ A fuse is a device which protects the (circuit) against overload and short circuit.”
What are some fun/kinky things to do with your partner?
First Sentence:
There are two important concepts here.
2024–10–14 [Omar Gharbi Omar Gharbi ]
Scientists stunned to observe that humpback whales might be trying to talk to us - ZME Science
He then describes Rainy Season and Lightning.
The third is lightning and “how it gets conducted into a home.”
Now when you have a certain ac resistance, then a current flows in a loop.
What is lightning?
But… the neutral is now “floating” because of the 1 ohm resistance.
2024–10–11 [Bobby Sanchez Bobby Sanchez ].
Tony Awards Up 38% From 2024 To Draw Best Audience In 6 Years On CBS - Deadline
So, it’s possible that these devices from Trip Lite have addition suppression devices, these ones seem to be sturdy.
Barnstars:
the problem then depends on "how fast does the fuse operate?".
What are some ways to improve speed in sprinting, running uphill, and long/middle distance running?
The other is “what does a “fuse” do?”
There are three different concepts here that are getting confused.
This one hit behind the barn.
Why do I want to be caught sucking dick by my wife?
What does a fuse do?
2024–10–00 [ Ammar Mahdi ] Ammar Mahdi
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.
Scientists discover universal rule that governs all life on Earth - The Brighter Side of News
2024–10–10[John johnson John Johnson ]
This is where this question deviates from being a 'generic' question, and becomes more specific.
The bolt then partially travels down the line to your home.
Blocking Opioid Receptors May Restore Healthy Dopamine Balance - Neuroscience News
One is “what exactly is in a ‘surge protector’ ? ”
If the nominal power is 4,000 watts then the current at 230volts is 16 amps.
The MOV will conduct when the voltage exceeds 50% of line voltage.
Salmonella outbreak linked to California egg distributor sickens 79 people - NPR
Is the question then , "why buy a surge supressor, if the fuse alone protects the electronic circuits from a lightning bolt?".
This is the picture of an electronic coil of wire wound around a core of magnetic material.
so, the loop of wire then, when put together with another loop reduces the ‘noise’ on a power line.
Upvotes:
a photo is worth a thousand words.
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.
At what stage in your life did you realize, "No, I can't do this any more" and walk out? Why?
Fuses, on their own, then operate much slower than the MOV variable resistance, during the lightning strike.
It seems Mohan does not understand the difference between a comment and an Answer.
but this device (an Inductor) … impedes the rapid changes in the current.
Random Eagles notes: Bryce Huff trade perhaps signals some confidence in Azeez Ojulari - PhillyVoice
A fuse is a non-resetable over current circuit protector.
I post the exact comment here.
One
☆ what's the thing that made u fell in love with your bias?
but I think this circuit , shows a few more pieces.
OK, this is Mohan Rajaratnam’s definition of a Surge suppressor.
This is 'the assistant's answer'
Because the load is inductive, the current lags the voltage.(by a bit).
Would individual surge supressors have save this equipment? most likely, since the surge supressor would take the jolt instead of the electronic components.
[image of Common-mode choke]
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.
He then describes the function of a fuse.
And this is the problem alone. Is the power supply in the equipmemt designed with a lightning strike in mind? Some yes, others, no.
2024–10–16 [ OO OLAOYE OYEBODE ]
[old diagram got deleted by accident]
When the current is 200% of the rated value , it will “go open” (the link metal melts) and protect the device.
These are simplified answers to the original question, and does not change anything I wrote above.
Can the fuse protect the electronic devices from lightning instead of a surge protector.
(There is no concept of polarity, in the loop because the current changes direction 100 to 120 times a second (power frequency).
He then asserts :
So, the voltage could go up to 500 volts, and the fuse will not open up.
2024–10–11 [Victor Olarewsju Victor Olarewaju ]
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 where the MOV conducts again, and dissipated the energy.
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”
An AC voltage/ current source, and an ac inductive load.
It’s been three xxx five werks, and there has been no response to my follow on query on his Commment to my answer.
so, what happens?
(Dc diagram shown, AC is similar).
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 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.
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.
P = e* I, so since I is 16 amps, then the voltage dropped is 1/16 volt or 0.0650 volts.
For this case there are devices called Metal oxide varistors (MOV).
A circuit breaker is similar, but is resettable.
This device then solves the entire problem.
Here is a simplified AC power diagram.
nine
These devices are installed between the “hot” and “neutral” and protective ground.
So combined with a device called a MOV or Metal-oxide-resistor, then forms the 3rd part of a “surge suppressor “.
It also is a device that limits the change in current flow.