High-voltage current limit fuse for transformer protection

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Scope of application

It can be used in indoor system of 50Hz and rated voltage of 12kV. Used together with other switch facilities such as loading switches, vacuum contactors, it can protect electric transformers and other electric facilities against overloading or short circuit, It is also a necessary accessory for high- voltage switch box, circular circuit cabinet, high/low voltage top - loading transformer substation.

Type and meaning

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Outline and installation size

Q: i sent my camera to the Nikon company and was going to wait till i had the money to repair it, but after some while they sent it back, but i saw the diagnosis and they said that it had a Cracked/Bleeding screen (Brother dropped it)The repairs costed about $80 bucks.If i just buy another LCD screen with backlight online, its much cheaper, then can i just repair it myself?Some i searched online said W/o backlight it had to be soldered (soldering) What does that meant btw?: Soldering, in terms of modern electronic equipment, involves the use of an electrostatic-safe soldering/desoldering station. Solder is a soft metal that was heated at the factory to fuse electrical components together. To replace the part, you must first unsolder it to remove the old one, then solder a new one in place. To solder, you essentially heat the connection to 500 deg or more to melt the solder that was used to fuse the contacts together on the circuit board. This requires a desoldering station to remove the metal. Then a soldering station is used to refuse the metal when the part is replaced. This is an exacting process, and if not done correctly, you will overheat the board or components and destroy them. It is not a task a novice can do, and you stand zero chance of success if you don't have a lot of skill in soldering digital circuits. Besides, an electrostatic-safe soldering/desoldering station will cost you $300, far more than the cost of a new camera.

Q: I have a 1988 Jeep Comanche Sportruck and all of the gas, speed, etc gauges are not working. The lights that lit up the gauges used to work before I recharged my battery, since the jeep was left sitting for a couple months. But ever since I had the truck none of the speed, gas, and all the rest of the gauges have been reading/ working anything at all. What could the problem be and how could I fix this myself before having to go to a repair shop? Thank you for your help I've had this problem for so long and it's just time for me to fix this.: Check fuses, if not a fuse, replace the dashboard gauge circuit board. DISCUSSION: Check the simplest and cheapest things first (fuses). If it is not a fuse problem, the easiest (and possibly the cheapest) step is to replace the dashboard gauges with parts from a junk yard. You might have blown the voltage regulator on the dash board (not the voltage regulator associated with the alternator). The difficulty of getting out the old dashboard gauges, and replacing a single component is slightly more than the difficulty of getting out the old dashboard gauges and replacing the who dashboard gauge circuit board, gauges and all. You might have also blown some gauges, so even if you fix one component, you might have to go back in to fix more. It is better to recharge the battery when it is disconnected from the car (to avoid the possibility of blowing out sensitive electronics such as dash boards).

Q: Basically The plasma has about 5 or 6 connections in hte back. For soem reason only my a.v. 1 and 2 are working. my Component 1 AND 2 are not. I tried plugging in my sat. dvd player, and axbox. Every time, I can see a picture, and I can hear sound, but the picture is black and white, Like we're in hte 50's! Anyway I was wondering if maybe this is an ongoing problem with other people as well, maybeits a fuse or something in the t.v. I don't know. And before I bring it to a repair man, I thought maybe I can sacve a couple of bucks by asking on here, and doing it my self. Any suggestions??: alot of times people hook up their component cables wrong red, green, blue cables are for video solid red and white are for audio you DO NOT plug in the yellow cord

Q: I had the fuse break on a Joker 200 light, but I don't know what could cause a surge of electricity (no lightning storm at the time). If it matters, it could have been on the same line as a coffee maker/toaster/microwave. Please help me out. Thanks!: The main component in the ballast is a large inductor, and if a turn gets shorted, it will draw high current. Suspect the ballast. Also, with a coffee maker and a microwave, the total current could be too high for the circuit breaker.

Q: I have a 14ft V-bottom Lund fishing boat. Use it for fishing and whatnot. It is a pretty basic boat, no previous wiring. Here is the setup I am thinking of doing.Batteries will be up front under one of my seats. I am going to parallel two 12Vs together, and then run 4 awg wire to the back of the boat. The positive side will have a 20amp fuse. I am going to run these into two ground bars, one for the positive side and one for the negative side. All my components i wanna run will then hook up to these ground bars as well. I have a trolling motor, navigation lights, and going to put a CD player in it as well. And maybe a cigarette lighter. Do i need to be worried about anything or will this work fine? Should have more fuses or run a fuse panel instead of the ground bars? Any help would be great. The wiring is expensive, and i dont want to ruin it somehow. Thanks.: It should work for most of what you want to do. I suggest that you run a separate set of wires for the trolling motor, put the fuse at the battery terminal, not at the buss bars. Then use separate fuses for each circuit except the trolling motor which should be fused at the battery. You will need twice as much wire to do this, but it can be much smaller such as 8 GA, stranded for the buss strips, the trolling motor wire needs to be sized for that motor, You might consider moving the batteries to the center seats, unless the balance is a major consideration.

Q: Help me please. My son installed a battery into his 99 ford escort. However he attached neg to pos and pos to neg. Can this fry out the alternator. Or could it simply be something electrical. There was a wire left off, going to somewhere. And a black wire coming from the internal fuse box.: Attaching the battery incorrectly isnt going to harm anything unless your jump starting the vehicle, then you fry all sorts of stuff connecting wrong ends.

Q: Helo i have a 1992 ford escort and recently got a new battery because my car wasnt starting up.I had the alternator tested after i had it jumped and the alt tested fine. But when i got my new battery i parked my car for a few days later got in and it didn't turn on. wen i tied to turn it on the bell for the open door caution rang and i felt the click on my ignition switch but no reving.what could be is it a fuse?If so can it be possible to jump a car wit a bad switch?: sounds like you have a parasitic drain on your battery. that means there is something in the electronics of your vehicle that's drawing enough amps to drain your battery. need to hook a test light up in series with your negative battery terminal and pull fuses till the light of your test light goes out. when you pull a fuse and the light goes out, what ever the load( electrical component) on that circuit that the fuse is protecting is your problem. that's what it sounds like if you just changed your battery and its dead.

Q: I have a lenovo model 0768 and I want to know what parts I should buy for it to make it a gaming laptop. I have 700 dollars to spend on it and it still has the original parts in it. Thanks for answering if you answer.: you cant make a non gaming laptop into a gaming laptop. you can do this with desktops only laptop's major components are fused to the motherboard and are not replaceable/upgradable so your only choice is to buy a new higher powered laptop

Q: How to calculate the value of a FUSE which is to be employed in a circuit by wire's resistance and load resistancei read somewhere that 8g of wire needs 50 amp fuse and 14g needs 10 amp,so my question here in second part is how does we relate wieght of wire to the amps of fusekindly proceed for a answerthnx: I suspect that by 8g and 14g, you are referring to guage (awg), the cross sectional measurement of the wire, rather than grams, the weight of the wire. The general rule is 15A for14 awg, 20A for 12 awg and so forth. Once the load of the circuit is determined (say, 8 amps continuous duty and a momentary 18 amp start up), we must also consider the total length of the wire run and the resistance of the wire over this length if the source is a considerable distance from the load. If the run is relatively short and the resistance is negligible in this example, we can calculate the fuse needed to provide the power necessary while protecting the wiring from a short circuit and possible fire hazard.

Q: i am having a hard time trying to figure out how power is distributed from the battery to the fuse box and then to the components. i know some things like the starter dont go to the fuse box. but how is power given to the fuse box? is there a wire or something that gives power to the fuse box from the battery because when i look at a fuse box it dosent have a positive and negative wire for every fuse, so does the fuse box have like a positive and negative plate of some sort. i guess what im basically asking is how a fuse box is made. thanks.: Gandalf waves his wand and magic happens? Of COURSE there's a wire, you NOOB! If you want a diagram of the electrical system in your car then go buy a service/repair manual for your car. They have wiring diagrams in them.

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