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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Description Price 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 Stock No. 293-8266
Mfr. Part No.0 123 02
BrandLegrand
kr 13,598
Each (In a Pack of 10)
Units
2 A - 8.5 x 31.5mm F - 400 V ac - Ceramic - GG - - - -
RS Stock No. 293-8187
Mfr. Part No.0 123 06
BrandLegrand
kr 14,833
Each (In a Pack of 10)
Units
6 A - 8.5 x 31.5mm F - 400 V ac - Ceramic - GG - - - -
RS Stock No. 293-8092
Mfr. Part No.0 113 02
BrandLegrand
kr 13,168
Each (In a Pack of 10)
Units
2 A - 8.5 x 23mm F - 230 V ac - Ceramic - - - - - -
RS Stock No. 293-8115
Mfr. Part No.0 113 06
BrandLegrand
kr 8,604
Each (In a Pack of 10)
Units
6 A - 8.5 x 23mm F - 230 V ac - Ceramic - - - - - -
RS Stock No. 293-8193
Mfr. Part No.0 123 10
BrandLegrand
kr 22,401
Each (In a Pack of 10)
Units
10 A - 8.5 x 31.5mm F - 400 V ac - Ceramic - GG - - - -
RS Stock No. 293-8137
Mfr. Part No.0 116 10
BrandLegrand
kr 10,30
Each (In a Pack of 10)
Units
10 A - 10 x 25mm - - 230 V ac - Ceramic - - - - - -
RS Stock No. 180-6111
Mfr. Part No.0 130 10
BrandLegrand
kr 16,089
Each (In a Box of 10)
Units
10 A - 10 x 38mm - - 500 V ac - Ceramic - AM - - - -
RS Stock No. 167-4359
Mfr. Part No.0 117 16
BrandLegrand
kr 17,649
Each (In a Pack of 10)
Units
16 A - 10 x 25mm - - 230 V ac - Ceramic - - - - - -
RS Stock No. 180-6115
Mfr. Part No.0 133 04
BrandLegrand
kr 16,298
Each (In a Box of 10)
Units
4 A - 10 x 38mm - - 500 V ac - Ceramic - GG - - - -
RS Stock No. 293-8238
Mfr. Part No.0 126 16
BrandLegrand
kr 16,12
Each (In a Pack of 10)
Units
16 A - 10.3 x 22.2mm F - 400 V ac - Ceramic - - - - - -
RS Stock No. 180-6116
Mfr. Part No.0 133 06
BrandLegrand
kr 16,194
Each (In a Box of 10)
Units
6 A - 10 x 38mm - - 500 V ac - Ceramic - GG - - - -
RS Stock No. 293-8244
Mfr. Part No.0 126 25
BrandLegrand
kr 16,12
Each (In a Pack of 10)
Units
25 A - 10.3 x 22.2mm F - 400 V ac - Ceramic - - - - - -
RS Stock No. 180-6106
Mfr. Part No.0 130 01
BrandLegrand
kr 17,931
Each (In a Box of 10)
Units
1 A - 10 x 38mm - - 500 V ac - Ceramic - AM - - - -
RS Stock No. 180-6113
Mfr. Part No.0 133 01
BrandLegrand
kr 17,077
Each (In a Box of 10)
Units
1 A - 10 x 38mm - - 500 V ac - Ceramic - GG - - - -
RS Stock No. 167-4371
Mfr. Part No.0 127 25
BrandLegrand
kr 20,946
Each (In a Pack of 10)
Units
25 A - 10.3 x 22.2mm F - 400 V ac - Ceramic - - - - - -
RS Stock No. 180-6112
Mfr. Part No.0 130 16
BrandLegrand
kr 15,632
Each (In a Box of 10)
Units
16 A - 10 x 38mm - - 500 V ac - Ceramic - AM - - - -
RS Stock No. 167-4365
Mfr. Part No.0 124 20
BrandLegrand
kr 17,177
Each (In a Pack of 10)
Units
20 A - 8.5 x 31.5mm F - 400 V ac - Ceramic - GG - - - -
RS Stock No. 167-4337
Mfr. Part No.0 114 10
BrandLegrand
kr 18,496
Each (In a Pack of 10)
Units
10 A - 8.5 x 23mm F - 230 V ac - Ceramic - - - - - -
RS Stock No. 180-6121
Mfr. Part No.0 133 25
BrandLegrand
kr 13,901
Each (In a Box of 10)
Units
25 A - 10 x 38mm - - 500 V ac - Ceramic - GG - - - -
RS Stock No. 180-6104
Mfr. Part No.0 102 10
BrandLegrand
kr 12,289
Each (In a Box of 10)
Units
1 A - 5 x 20mm F - 250 V ac - Ceramic - - - - - -