Where do you used a time delay fuse?
we use a time delay fuse at furnace area where heaters are used ect,
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time delay valve is nothing but when a certain pressure is reached the valve will actuate it when the delay reaches
You could, but it would be safest not to. A time delay fuse will allow for a short (12 seconds or less) spike in the current (up to three times the rated current for the fuse)…. This happens when you start up a motor, or a compressor, etc... If you were to replace a regular fuse (say 2 amp) with a time delay fuse (also 2 amp), then instead of breaking the circuit at 2 amps, the circuit will go 12 seconds at 6 amps before shutting down. This could easily start a fire, so for your safety, it is best to replace a fuse with the exact same kind that came out of it.
Set the multimeter for the "buzz" mode. This mode checks for electrical continuity. This means that the multimeter checks to see if there is a path for electricity to pass thr…ough. Some multimeters indicate it with a buzz, others with a light. Put one lead at either end of the fuse, and if the indicator (buzz or light) goes off, the fuse is good. If it doesn't go off, the fuse is broken. If you don't know how to set your multimeter on that setting, or it does not have one, set the multimeter to measure resistance. If the fuse measures a really small resistance, it is good. If it measures at a really large resistance, it is broken.
The short answer: Yes. The Long Answer: In Layman's terms yes, but not necessarily. It depends on who you're talking to. If you are talking to anyone working on electrical thi…ngs, they think of fuses for electrical circuits. Fuses for electrical circuits protect electronics (any device needing electricity) from an overload. Many devices need a lot more electricity to start up than to keep running. A time delay fuse will allow for a small spike in the current (start up) and not burn out. A regular fuse will not allow for any spike in the current and break. I have not yet heard anyone refer to a time delay fuse as a slow burn fuse, but it could be called that. A slow burn fuse has to do with pyrotechnics and chemical rockets. It is simply a fuse that burns slowly. I could also see the terms being used interchangeably in this case too.
A time delay fuse will allow for a temporary spike in the current (up to 100 or 200% of the fuse rating), such as when starting a motor. A regular (non-time delay fuse) will n…ot allow for any spike over the current rating of the fuse. If you have a motor that pulls 2 amps while running, but pulls 6 ampls while starting, then you will want to use either a 6 amp non time delay fuse, or a 2 amp time delay fuse. If you are talking about pyrotechnics, a time delay (properly called a slow burning) fuse will give you more time to run for cover.
It is a week or so but in some rare cases it can even be a month.
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The time delay fuse allows a momentary overload due to startup current.
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A time delay fuse will not blow at the first sign of an overload. It will delay blowing just long enough to allow a motor to start or a compressor to startup.
A standard fuse will blow in just milliseconds when excess current flow or a short is detected. A time delay fuse on the other hand may take 5-10 seconds to blow under the sam…e conditions. You would want to use a time delay fuse in a device that uses lots of current at startup but then uses less after it is started. An electric motor or compressor is an example.
Most overload faults are isolated through a circuit breaker operating on a inductive trigger. Inductors take time to build up their magnetic field related to the total circuit… resistance. The lower the overall circuit resistance and higher Henry value of the inductor, the longer it will take the magnetic field to develop. Electric motors and compressors for instance pull a very heavy load at startup. You need a time delay fuse as a normal fuse would blow every time the motor or compressor started.
In Electrical Troubleshooting
If you can observe the fusible link it should be open and there should be some charring on the glass. Use an Ohm meter to confirm fuse is blown. If it is zero ohms across the …fuse it is not blown.
In Home Electricity
Fuses and circuit breakers are rated differently as applied to electrical loads. A motor load of 12 amps would require a fuse rating of 21 amps ( 12 X 1.75=21) or the next sta…ndard size of 25. A breaker for the same load of 12 amps would be a 30. (12 x 2.50=30) However if your circuit is number 10 copper wire and supplies 30 amp rated receptacles, you would be perfectly safe in using the fuses.
In Electrical Engineering
How a fuse can provide time delayed protection for normal overload and high speed protection for short circuit?
There are two sections of the fuse; a straight wire section that provides quick acting response to short circuit conditions, and a coiled spring section with a soldered lump w…ith thermal mass that provides time delay for normal overload. When inspecting a blown fuse, you can tell if it was a short or an overload by looking at where the blowout occurred.
In Car Fuses and Wiring
Yes, and you should use a time delay fuse.
A time delay relay is used in applications that have a need to be automatically switched on and off. A few applications that require time delay relays are strobe lights, stop…lights, and Christmas tree lights.