Cartridge Fuses

Cartridge fuses are a low cost electrical safety device that is used to protect electrical circuits and appliances. They are cylindrical in shape and have a contact point at each end. Cartridge fuses are typically constructed from ceramic, glass or porcelain.



How do cartridge fuses work?


Cartridge fuses contain a piece of wire that melts when too much current flows through the circuit. When the wire melts, it breaks the circuit which prevents any damage. This is often referred to as burning out or blowing out. Put simply, when a fuse blows, the circuit is broken. Once a fuse has blown, it will need replacing in order to make the circuit complete again, and allow the flow of current.



Different types of cartridge fuse


Most cartridge fuses are general purpose and feature no time delay, however, some heavy duty options will have a time delay features that enables motors to start up.



Why use cartridge fuses?


Cartridge fuses are a relatively cheap way of protecting electrical equipment from short circuits and overcurrent. They are incredibly safe as they do not produce flames, arcs or gas when they burn out and break the circuit. Their speed of operation is also incredibly quick, as they react almost instantly.



What cartridge fuse should you choose?


Cartridge fuses are available in a range of standard current rating variants. When choosing the correct fuse for your application, you should choose a fuse with a nominally higher current rating than the device that it is being used in. This means that if there is a slight, harmless power increase, the fuse will not blow.


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Viewing 261 - 280 of 2160 products
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Description Price Current Rating Fuse Size Fuse Speed Voltage Rating Overall Length Diameter Body Material Application Category UL Class Fuse Standard Series
RS Stock No. 911-3483
BrandRS PRO
$0.35
Each (In a Pack of 10)
units
1.25A 5 x 20mm T 250V ac - - Ceramic - - - UDA-P
RS Stock No. 209-9377
BrandRS PRO
$2.664
Each (In a Pack of 10)
units
3.15A 6.3 x 32mm FF 600V ac - - Ceramic - - - -
RS Stock No. 563-665
BrandRS PRO
$0.284
Each (In a Pack of 10)
units
630mA 5 x 20mm F 250V ac - - Glass - - - -
RS Stock No. 177-8143
BrandRS PRO
$0.466
Each (In a Pack of 50)
units
20A 6.35 x 31.75mm F 250V ac - - Glass - - - AFE
RS Stock No. 182-3902
BrandRS PRO
$9,423.26
1 Box of 1000
Box(es)
25A 5 x 20mm F - - - Ceramic - - - -
RS Stock No. 177-8144
BrandRS PRO
$0.864
Each (In a Pack of 20)
units
4A 6.35 x 31.75mm T 250V ac - - Ceramic - - - ADA
RS Stock No. 188-4670
BrandRS PRO
$20.32
Each
units
25A 10 x 38mm gPV 600V 38mm 10mm Ceramic - - IEC60269-6 -
RS Stock No. 188-4608
BrandRS PRO
$24.84
Each
units
50A 14.6 x 22.3mm - 170V 22.3mm 14.6mm Ceramic - - - -
RS Stock No. 610-9759
BrandRS PRO
$0.661
Each (In a Pack of 10)
units
500mA 5 x 20mm T 250V ac - - Ceramic - - - -
RS Stock No. 188-4639
BrandRS PRO
$19.35
Each
units
50A 10.4 x 38.5mm - 500V 38.5mm 10.4mm Ceramic - - - -
RS Stock No. 177-8136
BrandRS PRO
$0.913
Each (In a Pack of 20)
units
15A 6.3 x 32mm T 250V ac - - Glass - - - ADL
RS Stock No. 177-8145
BrandRS PRO
$0.238
Each (In a Pack of 50)
units
500mA 5 x 20mm F 250V ac - - Glass - - - GFE
RS Stock No. 182-3887
BrandRS PRO
$2,604.42
1 Box of 1000
Box(es)
2.5A 5 x 20mm M 500V ac - - Ceramic - - - -
RS Stock No. 182-4190
BrandRS PRO
$4.694
Each (In a Pack of 5)
units
4A 5 x 20mm M 500V ac - - Ceramic - - - -
RS Stock No. 177-8045
BrandRS PRO
$0.791
Each (In a Box of 500)
units
2A 6.35 x 31.75mm T 250V ac - - Ceramic - - - ADA
RS Stock No. 188-4488
BrandRS PRO
$11,566.24
1 Box of 1000
Box(es)
30A 10 x 38mm gPV 600V 38mm 10mm Ceramic - - IEC60269-6 -
RS Stock No. 174-8013
BrandRS PRO
$4.596
Each (In a Box of 500)
units
2A 6.3 x 32mm FF 500V ac - - Ceramic - - - ABB
RS Stock No. 188-4644
BrandRS PRO
$20.02
Each
units
15A 10 x 38mm gPV 600V 38mm 10mm Ceramic - - IEC60269-6 -
RS Stock No. 177-8065
BrandRS PRO
$185.03
1 Box of 1000
Box(es)
3.15A 5 x 20mm T 250V ac - - Glass - - - UTE
RS Stock No. 188-4489
BrandRS PRO
$13,607.63
1 Box of 1000
Box(es)
30A 10 x 38mm gPV 600V 38mm 10mm Ceramic - - IEC60269-6 -
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