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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Beskrivning Pris Current Rating Diameter Fuse Size Fuse Speed Overall Dimensions Voltage Rating Overall Length Body Material High Rupture Capacity Application Category Breaking Capacity at Maximum Voltage Rating UL Class Includes Indicator Size Designation
RS-artikelnummer 420-230
VarumärkeRS PRO
18,039 kr
Each (In a Pack of 10)
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16A - 6.3 x 32mm FF - 500V ac - Ceramic - - - UL 248-13 - -
RS-artikelnummer 209-9333
VarumärkeRS PRO
16,668 kr
Each (In a Pack of 10)
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20A - 6.3 x 32mm T - 440V ac - Ceramic - - - UL 248-13 - -
RS-artikelnummer 563-558A
VarumärkeRS PRO
1,459 kr
Each (In a Pack of 100)
Enheter
1A 5mm 5 x 20mm T - 250V ac 20mm Glass - - - - - -
RS-artikelnummer 563-558
VarumärkeRS PRO
1,546 kr
Each (In a Pack of 10)
Enheter
1A - 5 x 20mm T - 250V ac - Glass - - - - - -
RS-artikelnummer 413-850
VarumärkeRS PRO
35,003 kr
Each (In a Pack of 10)
Enheter
32A - 12.7 x 29mm - - 415V ac - - - gG - - - -
RS-artikelnummer 563-722A
VarumärkeRS PRO
1,459 kr
Each (In a Pack of 100)
Enheter
2A 5mm 5 x 20mm T - 250V ac 20mm Glass - - - - - -
RS-artikelnummer 563-722
VarumärkeRS PRO
1,546 kr
Each (In a Pack of 10)
Enheter
2A - 5 x 20mm T - 250V ac - Glass - - - - - -
RS-artikelnummer 563-693A
VarumärkeRS PRO
1,414 kr
Each (In a Pack of 100)
Enheter
5A 5mm 5 x 20mm T - 250V ac 20mm Ceramic - - - - - -
RS-artikelnummer 668-5963
VarumärkeRS PRO
1,411 kr
Each (In a Pack of 10)
Enheter
3A - 5 x 20mm F - 250V ac - Glass - - - - - -
RS-artikelnummer 563-693
VarumärkeRS PRO
2,668 kr
Each (In a Pack of 10)
Enheter
5A - 5 x 20mm T - 250V ac - Ceramic - - - - - -
RS-artikelnummer 563-659
VarumärkeRS PRO
1,68 kr
Each (In a Pack of 10)
Enheter
500mA - 5 x 20mm T - 250V ac - Ceramic - - - - - -
RS-artikelnummer 420-224A
VarumärkeRS PRO
11,868 kr
Each (In a Pack of 100)
Enheter
12.5A 6.3mm 6.3 x 32mm FF - 500V ac 32mm Ceramic - - - - - -
RS-artikelnummer 668-6082
VarumärkeRS PRO
3,293 kr
Each (In a Pack of 10)
Enheter
3A - 6.3 x 32mm T - 250V ac - Glass - - - - - -
RS-artikelnummer 413-800
VarumärkeRS PRO
35,003 kr
Each (In a Pack of 10)
Enheter
6A - 12.7 x 29mm - - 415V ac - - - gG - - - -
RS-artikelnummer 420-224
VarumärkeRS PRO
23,107 kr
Each (In a Pack of 10)
Enheter
12.5A - 6.3 x 32mm FF - 500V ac - Ceramic - - - UL 248-13 - -
RS-artikelnummer 563-491
VarumärkeRS PRO
1,479 kr
Each (In a Pack of 10)
Enheter
3.15A - 5 x 20mm F - 250V ac - Glass - - - - - -
RS-artikelnummer 610-9894
VarumärkeRS PRO
3,629 kr
Each (In a Pack of 10)
Enheter
315mA - 5 x 20mm T - 250V ac - Glass - - - - - -
RS-artikelnummer 563-469
VarumärkeRS PRO
1,479 kr
Each (In a Pack of 10)
Enheter
250mA - 5 x 20mm F - 250V ac - Glass - - - - - -
RS-artikelnummer 420-167
VarumärkeRS PRO
13,912 kr
Each (In a Pack of 10)
Enheter
2A - 6.3 x 32mm FF - 700V ac - Ceramic - - - UL 248-13 - -
RS-artikelnummer 563-633A
VarumärkeRS PRO
1,459 kr
Each (In a Pack of 100)
Enheter
500mA 5mm 5 x 20mm T - 250V ac 20mm Glass - - - - - -
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