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Fuse symbol on toroidal transformer


Understanding transformer ratingsInrush Current Limiter for Torodial transformerHow to read this transformer labelModelling grounding reactor as transformerWhat clear plastic stripping is used to wrap a toroidal power transformer?Split rail toroidal power supply transformer amperage questionCurrent in Secondary Windings of Toroidal TransformerIf a transformer's thermal fuse is blown, would it show Open Circuit?Can I use a dual primary transformer to generate isolated 110v output?Small step down transformer fuse, primary or secondary?













3












$begingroup$


I was searching today for a new 24V transformer, and I found that some of them have a "fuse" symbol on their label, and I was wondering what this fuse symbol means?



Does the fuse symbol on a transformer (toroidal or not) mean that the fuse is integrated in the transformer's winding?



Or does the "fuse" symbol try to suggest what kind of fuse has to be used with that transformer?



Here you can find an image with the transformer label:



Photo of toroidal transformer showing label, from RS Components



(Image source: RS Components - 2 Output Toroidal Transformer, 120VA, 2 x 25V ac)










share|improve this question











$endgroup$







  • 2




    $begingroup$
    There is no room to integrate the fuse. I have worked with such toroids and found that to install even a thermo-disc cutoff I had to epoxy it to the inside of the core, where there is the most amount of heat.
    $endgroup$
    – Sparky256
    6 hours ago















3












$begingroup$


I was searching today for a new 24V transformer, and I found that some of them have a "fuse" symbol on their label, and I was wondering what this fuse symbol means?



Does the fuse symbol on a transformer (toroidal or not) mean that the fuse is integrated in the transformer's winding?



Or does the "fuse" symbol try to suggest what kind of fuse has to be used with that transformer?



Here you can find an image with the transformer label:



Photo of toroidal transformer showing label, from RS Components



(Image source: RS Components - 2 Output Toroidal Transformer, 120VA, 2 x 25V ac)










share|improve this question











$endgroup$







  • 2




    $begingroup$
    There is no room to integrate the fuse. I have worked with such toroids and found that to install even a thermo-disc cutoff I had to epoxy it to the inside of the core, where there is the most amount of heat.
    $endgroup$
    – Sparky256
    6 hours ago













3












3








3





$begingroup$


I was searching today for a new 24V transformer, and I found that some of them have a "fuse" symbol on their label, and I was wondering what this fuse symbol means?



Does the fuse symbol on a transformer (toroidal or not) mean that the fuse is integrated in the transformer's winding?



Or does the "fuse" symbol try to suggest what kind of fuse has to be used with that transformer?



Here you can find an image with the transformer label:



Photo of toroidal transformer showing label, from RS Components



(Image source: RS Components - 2 Output Toroidal Transformer, 120VA, 2 x 25V ac)










share|improve this question











$endgroup$




I was searching today for a new 24V transformer, and I found that some of them have a "fuse" symbol on their label, and I was wondering what this fuse symbol means?



Does the fuse symbol on a transformer (toroidal or not) mean that the fuse is integrated in the transformer's winding?



Or does the "fuse" symbol try to suggest what kind of fuse has to be used with that transformer?



Here you can find an image with the transformer label:



Photo of toroidal transformer showing label, from RS Components



(Image source: RS Components - 2 Output Toroidal Transformer, 120VA, 2 x 25V ac)







transformer power-electronics mains






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 1 hour ago









SamGibson

11.5k41739




11.5k41739










asked 6 hours ago









mike_mikemike_mike

11817




11817







  • 2




    $begingroup$
    There is no room to integrate the fuse. I have worked with such toroids and found that to install even a thermo-disc cutoff I had to epoxy it to the inside of the core, where there is the most amount of heat.
    $endgroup$
    – Sparky256
    6 hours ago












  • 2




    $begingroup$
    There is no room to integrate the fuse. I have worked with such toroids and found that to install even a thermo-disc cutoff I had to epoxy it to the inside of the core, where there is the most amount of heat.
    $endgroup$
    – Sparky256
    6 hours ago







2




2




$begingroup$
There is no room to integrate the fuse. I have worked with such toroids and found that to install even a thermo-disc cutoff I had to epoxy it to the inside of the core, where there is the most amount of heat.
$endgroup$
– Sparky256
6 hours ago




$begingroup$
There is no room to integrate the fuse. I have worked with such toroids and found that to install even a thermo-disc cutoff I had to epoxy it to the inside of the core, where there is the most amount of heat.
$endgroup$
– Sparky256
6 hours ago










1 Answer
1






active

oldest

votes


















6












$begingroup$

In this case the fuse symbol indicates the fuse rating you should use. 2.40AT means you should use a 2.40A slow acting fuse (type T, T stands for Trage). Trage can be translated from German to sluggish, slow-moving. You can verify that the 2.40A matches the rated current for each secondary of the device you are considering.
device specs
The datasheet mentions no fuse, so it should not be integrated.






share|improve this answer











$endgroup$












  • $begingroup$
    So what is the 'T' in 2.40AT?
    $endgroup$
    – Transistor
    4 hours ago










  • $begingroup$
    @Transistor it's the speed of the fuse, I will change my answer.
    $endgroup$
    – xuva
    3 hours ago






  • 1




    $begingroup$
    I found the same info in the RS catalog. See 2.25A Glass Cartridge Fuse, 5 x 20mm, Speed T. The datasheet is a bit vague although it does give the $ I^2t $ ratings.
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    'T' stands for Trage which stands for ...? (I'm making you work for your +1!)
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    Yes, you are, haha. Learned more than I expected from it though.
    $endgroup$
    – xuva
    3 hours ago










Your Answer





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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









6












$begingroup$

In this case the fuse symbol indicates the fuse rating you should use. 2.40AT means you should use a 2.40A slow acting fuse (type T, T stands for Trage). Trage can be translated from German to sluggish, slow-moving. You can verify that the 2.40A matches the rated current for each secondary of the device you are considering.
device specs
The datasheet mentions no fuse, so it should not be integrated.






share|improve this answer











$endgroup$












  • $begingroup$
    So what is the 'T' in 2.40AT?
    $endgroup$
    – Transistor
    4 hours ago










  • $begingroup$
    @Transistor it's the speed of the fuse, I will change my answer.
    $endgroup$
    – xuva
    3 hours ago






  • 1




    $begingroup$
    I found the same info in the RS catalog. See 2.25A Glass Cartridge Fuse, 5 x 20mm, Speed T. The datasheet is a bit vague although it does give the $ I^2t $ ratings.
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    'T' stands for Trage which stands for ...? (I'm making you work for your +1!)
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    Yes, you are, haha. Learned more than I expected from it though.
    $endgroup$
    – xuva
    3 hours ago















6












$begingroup$

In this case the fuse symbol indicates the fuse rating you should use. 2.40AT means you should use a 2.40A slow acting fuse (type T, T stands for Trage). Trage can be translated from German to sluggish, slow-moving. You can verify that the 2.40A matches the rated current for each secondary of the device you are considering.
device specs
The datasheet mentions no fuse, so it should not be integrated.






share|improve this answer











$endgroup$












  • $begingroup$
    So what is the 'T' in 2.40AT?
    $endgroup$
    – Transistor
    4 hours ago










  • $begingroup$
    @Transistor it's the speed of the fuse, I will change my answer.
    $endgroup$
    – xuva
    3 hours ago






  • 1




    $begingroup$
    I found the same info in the RS catalog. See 2.25A Glass Cartridge Fuse, 5 x 20mm, Speed T. The datasheet is a bit vague although it does give the $ I^2t $ ratings.
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    'T' stands for Trage which stands for ...? (I'm making you work for your +1!)
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    Yes, you are, haha. Learned more than I expected from it though.
    $endgroup$
    – xuva
    3 hours ago













6












6








6





$begingroup$

In this case the fuse symbol indicates the fuse rating you should use. 2.40AT means you should use a 2.40A slow acting fuse (type T, T stands for Trage). Trage can be translated from German to sluggish, slow-moving. You can verify that the 2.40A matches the rated current for each secondary of the device you are considering.
device specs
The datasheet mentions no fuse, so it should not be integrated.






share|improve this answer











$endgroup$



In this case the fuse symbol indicates the fuse rating you should use. 2.40AT means you should use a 2.40A slow acting fuse (type T, T stands for Trage). Trage can be translated from German to sluggish, slow-moving. You can verify that the 2.40A matches the rated current for each secondary of the device you are considering.
device specs
The datasheet mentions no fuse, so it should not be integrated.







share|improve this answer














share|improve this answer



share|improve this answer








edited 3 hours ago

























answered 4 hours ago









xuvaxuva

338113




338113











  • $begingroup$
    So what is the 'T' in 2.40AT?
    $endgroup$
    – Transistor
    4 hours ago










  • $begingroup$
    @Transistor it's the speed of the fuse, I will change my answer.
    $endgroup$
    – xuva
    3 hours ago






  • 1




    $begingroup$
    I found the same info in the RS catalog. See 2.25A Glass Cartridge Fuse, 5 x 20mm, Speed T. The datasheet is a bit vague although it does give the $ I^2t $ ratings.
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    'T' stands for Trage which stands for ...? (I'm making you work for your +1!)
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    Yes, you are, haha. Learned more than I expected from it though.
    $endgroup$
    – xuva
    3 hours ago
















  • $begingroup$
    So what is the 'T' in 2.40AT?
    $endgroup$
    – Transistor
    4 hours ago










  • $begingroup$
    @Transistor it's the speed of the fuse, I will change my answer.
    $endgroup$
    – xuva
    3 hours ago






  • 1




    $begingroup$
    I found the same info in the RS catalog. See 2.25A Glass Cartridge Fuse, 5 x 20mm, Speed T. The datasheet is a bit vague although it does give the $ I^2t $ ratings.
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    'T' stands for Trage which stands for ...? (I'm making you work for your +1!)
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    Yes, you are, haha. Learned more than I expected from it though.
    $endgroup$
    – xuva
    3 hours ago















$begingroup$
So what is the 'T' in 2.40AT?
$endgroup$
– Transistor
4 hours ago




$begingroup$
So what is the 'T' in 2.40AT?
$endgroup$
– Transistor
4 hours ago












$begingroup$
@Transistor it's the speed of the fuse, I will change my answer.
$endgroup$
– xuva
3 hours ago




$begingroup$
@Transistor it's the speed of the fuse, I will change my answer.
$endgroup$
– xuva
3 hours ago




1




1




$begingroup$
I found the same info in the RS catalog. See 2.25A Glass Cartridge Fuse, 5 x 20mm, Speed T. The datasheet is a bit vague although it does give the $ I^2t $ ratings.
$endgroup$
– Transistor
3 hours ago




$begingroup$
I found the same info in the RS catalog. See 2.25A Glass Cartridge Fuse, 5 x 20mm, Speed T. The datasheet is a bit vague although it does give the $ I^2t $ ratings.
$endgroup$
– Transistor
3 hours ago












$begingroup$
'T' stands for Trage which stands for ...? (I'm making you work for your +1!)
$endgroup$
– Transistor
3 hours ago




$begingroup$
'T' stands for Trage which stands for ...? (I'm making you work for your +1!)
$endgroup$
– Transistor
3 hours ago












$begingroup$
Yes, you are, haha. Learned more than I expected from it though.
$endgroup$
– xuva
3 hours ago




$begingroup$
Yes, you are, haha. Learned more than I expected from it though.
$endgroup$
– xuva
3 hours ago

















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