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 201 - 220 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. 610-9901
BrandRS PRO
$0.563
Each (In a Pack of 10)
units
500mA 5 x 20mm T 250V ac - - Glass - - - -
RS Stock No. 420-202
BrandRS PRO
$5.542
Each (In a Pack of 10)
units
8A 6.3 x 32mm FF 500V ac - - Ceramic - UL 248-13 - -
RS Stock No. 610-9787
BrandRS PRO
$0.656
Each (In a Pack of 10)
units
2.5A 5 x 20mm T 250V ac - - Ceramic - - - -
RS Stock No. 420-094
BrandRS PRO
$1.654
Each (In a Pack of 10)
units
2A 5 x 20mm FF 250V ac - - Ceramic - UL 248-13 - -
RS Stock No. 413-787
BrandRS PRO
$5.576
Each (In a Pack of 10)
units
2A 12.7 x 29mm - 415V ac - - - gG - - MD
RS Stock No. 721-1581
BrandRS PRO
$1.266
Each (In a Pack of 10)
units
2.5A 6.3 x 32mm F 500V ac - - Ceramic - UL 248-13 - -
RS Stock No. 420-218
BrandRS PRO
$5.542
Each (In a Pack of 10)
units
10A 6.3 x 32mm FF 500V ac - - Ceramic - UL 248-13 - -
RS Stock No. 911-3449
BrandRS PRO
$0.492
Each (In a Pack of 10)
units
1A 5 x 20mm F 250V ac - - Ceramic - - - UBM-P
RS Stock No. 911-3473
BrandRS PRO
$0.534
Each (In a Pack of 10)
units
6.3A 5 x 20mm F 250V ac - - Ceramic - - - UBM-P
RS Stock No. 610-9945
BrandRS PRO
$0.563
Each (In a Pack of 10)
units
1.25A 5 x 20mm T 250V ac - - Glass - - - -
RS Stock No. 413-197
BrandRS PRO
$1.472
Each (In a Pack of 10)
units
1A 6.3 x 32mm F 500V ac - - Ceramic - UL 248-13 - -
RS Stock No. 610-9844
BrandRS PRO
$0.665
Each (In a Pack of 10)
units
10A 5 x 20mm T 250V ac - - Ceramic - - - -
RS Stock No. 563-661
BrandRS PRO
$0.337
Each (In a Pack of 10)
units
600mA 5 x 20mm F 250V ac - - Glass - - - -
RS Stock No. 911-3408
BrandRS PRO
$0.356
Each (In a Pack of 10)
units
2.25A 5 x 20mm T 250V ac - - Glass - - - GTE
RS Stock No. 563-734
BrandRS PRO
$0.455
Each (In a Pack of 10)
units
125mA 5 x 20mm T 250V ac - - Glass - - - -
RS Stock No. 610-9692
BrandRS PRO
$0.468
Each (In a Pack of 10)
units
2.5A 5 x 20mm F 250V ac - - Glass - - - -
RS Stock No. 177-8085
BrandRS PRO
$0.39
Each (In a Pack of 50)
units
2A 5 x 20mm T 250V ac - - Glass - - - GTE
RS Stock No. 420-101
BrandRS PRO
$1.654
Each (In a Pack of 10)
units
3.15A 5 x 20mm FF 250V ac - - Ceramic - UL 248-13 - -
RS Stock No. 177-8019
BrandRS PRO
$279.85
1 Box of 1000
Box(es)
2A 5 x 20mm T 250V ac - - Glass - - - GTE
RS Stock No. 563-324
BrandRS PRO
$0.896
Each (In a Pack of 10)
units
250mA 5 x 20mm F 250V ac - - Ceramic - - - -
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