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Yes, you can substitute a 250 volt fuse in place of a 125 volt fuse. You just can't go the other way around.
As far as 1.5 amperes in place of 3 amperes, well, you've got a problem there because the fuse will blow at about 1.5 amperes instead of 3 amperes, so the intended load will not be met.
All of this, of course, assumes that the physical size of the fuse is the same.
Bottom line is never substitute fuses.
What else can I help you with?
Can you use 250 volt fuse in place of 600 volt fuse on a 277 volt system in a in line fuse holder?
No, it is not safe to use a 250 volt fuse in place of a 600 volt fuse in a 277 volt system. The voltage rating of the fuse should always be equal to or greater than the voltage of the circuit it is protecting to prevent potential hazards such as arcing or fires. Using a lower voltage fuse could result in the fuse failing to blow properly and may lead to dangerous conditions.
Can you use a 20 amp 250 volt receptacle in place of 20 amp 125 volt?
Electrically yes it is safe but the pin configuration will be different.
Will 2.0 250 volt replace a 1.6 125 volt?
You need to define what you mean by 2.0 and 1.6.
What alternate fuse can I use to replace a 6.3 amp 125 volt slow blow fuse?
a 6.3 amp 125 volt fuse a 6.3 amp 250 volt or 300 volt is fine with similar time delays depending on application it may be easier to find a 10A it should still protect most of the components
Will it work if you replace a 1.25 amp 125 volt fuse with a 1 amp 250 volt fuse?
Yes you can do that as long as it will fit in the fuseholder. It is acceptable to replace a lower Voltage Rated fuse with a higher but NEVER replace a higher with a lower. There are several things to consider when replacing a fuse: 1) The minimum voltage rating of the fuse is equal to or higher than the voltage of the circuit you are placing it in 2) The Amperage rating of the fuse does not exceed the capacity of the circuit you are trying to protect. Always replace a fuse with one that has the same amperage rating. 3) The interrupting rating of the fuse is sufficent for the capacity of the circuit supplying the fuse. If replacing a fuse always use one with an interrupting capacity equal to or greater than the fuse you are replacing.
Is a fuse rated 8 volt 25 amps equal to a 8 volt 250 mp fuse?
No, a 250-Amp fuse would be much larger than a 25-amp fuse. A fuse is generally designed to have a thermal runaway and melt the connection when there is too much current for too long.
Can you replace a 7 amp 125 volt fuse with a 6 amp 125 volt fuse?
I think in most applications the difference between 6.3 amps and 7 amps is meaningless. However, if your equipment calls for 6.3 amp protection, 7 amps may allow your equipment to burn up before the fuse blows.
Will switching a 125 volt 6.3 a with a 250 volt 6.3 a mess up your radio?
If the voltage is not right your radio will definitely get messed up.
Where can you find a 10 amp 125 volt fuse at?
Assuming the wiring is sized for 12 amps, you can replace your fuse with any 12 amp fuse or smaller and with a voltage rating at or above what you expect to connect to it. The amp rating protects the wire, so you cannot go above what the wire can handle. The voltage rating is the max voltage that it can safely protect, so you cannot use a fuse with a lower voltage rating than you expect to connect to.
Can a 250 volt fuse be used in a 240 volt air conditioner unit and how are they properly installed?
It is generally safe to use a 250 volt fuse in a 240 volt air conditioner unit. To properly install the fuse, make sure the power to the unit is turned off, remove the old fuse, replace it with the new one of the same size and rating, and then turn the power back on. Verify that the unit is functioning properly before regular use.
Is it safe to replace a 6 ampere 125 volts fuse with 6 ampere 250 volts fuse?
Yes, that is safe.
Can you use 600 volt fuses in place of 250 volt fuses on a 208 Volt System?
Answer for USA, Canada and countries running a 60 Hz supply service.If they fit, which I doubt, yes, you can use 600 volt fuses in place of 250 volt fuses so long as the amp rating is correct.YOU CANNOT USE 250 VOLT FUSES IN PLACE OF 600 VOLT FUSES !!!You can use a fuse with a higher volt rating but not a smaller volt rating than the voltage applied to the circuit.As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.Before you do any work yourself,on electrical circuits, equipment or appliances,always use a test meter to ensure the circuit is, in fact, de-energized.IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.
