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 Fuse Size Fuse Speed Voltage Rating Overall Length Diameter Body Material Application Category UL Class Fuse Standard Series
RS Stock No. 136-0600
Mfr. Part No.A1014576
BrandMersen
$11.03
Each
units
10 A 10 x 38mm FF 500 V dc, 690 V ac, 700 V ac - - - GR E76491 - Protistor
RS Stock No. 182-4022
BrandRS PRO
$14.89
Each
units
20 A 5 x 20mm M 500 V ac - - Ceramic - - - -
New
RS Stock No. 213-1360
Mfr. Part No.3NC2291
BrandSiemens
$68.69
Each
units
100 A 22.2 x 58mm - 690 V ac - - - - - - -
RS Stock No. 610-9614
BrandRS PRO
$0.505
Each (In a Pack of 10)
units
315 mA 5 x 20mm F 250 V ac - - Glass - - - -
RS Stock No. 188-7498
Mfr. Part No.R214122
BrandMersen
$5.293
Each (In a Pack of 10)
units
50 A 22.2 x 58mm - 690 V ac - - Ceramic AM - - -
RS Stock No. 136-0509
Mfr. Part No.L1017185
BrandMersen
$29.396
Each (In a Box of 10)
units
20 A 14 x 51mm - 500 V dc, 690 V ac, 700 V ac - - - GR UL 248-13 - Protistor
RS Stock No. 848-4147
Mfr. Part No.LP-CC-2
$82.71
Each
units
2 A 10 x 38mm T 300 V dc, 600 V ac - - - - - - LP-CC
RS Stock No. 177-8115
BrandRS PRO
$0.674
Each (In a Pack of 50)
units
1 A 4.6 x 14.5mm F 250 V ac - - Glass - - - SGS
RS Stock No. 769-0039
Mfr. Part No.0216016.TXP
BrandLittelfuse
$1.957
Each (In a Pack of 10)
units
16 A 5 x 20mm F 250 V ac - - Ceramic - - - 216
RS Stock No. 174-0736
Mfr. Part No.0312010.MXP
BrandWickmann
$0.577
Each (In a Pack of 20)
units
10 A 6.3 x 32mm F 250 V ac - - Glass - UL 248-14 - 312
RS Stock No. 177-8099
BrandRS PRO
$2.816
Each (In a Pack of 5)
units
10 A 5 x 20mm T 500 V ac - - Ceramic - - - UDE
RS Stock No. 179-2392
Mfr. Part No.T1045206
BrandMersen
$345.263
Each (In a Pack of 3)
units
10 A 520 x 55.1mm FF 24 kV ac - - Ceramic HV/LV - - FR
RS Stock No. 181-8591
Mfr. Part No.C14M16
$3.13
Each (In a Box of 10)
units
16 A 14 x 51mm - 690 V ac - - Ceramic AM - - C14M
RS Stock No. 122-5276
Mfr. Part No.60220040
BrandSocomec
$2.464
Each (In a Pack of 10)
units
40 A 14.3 x 51mm - 500 V ac - - - GG - - -
RS Stock No. 203-2062
Mfr. Part No.3NW6003-1
BrandSiemens
$7.015
Each (In a Pack of 10)
units
10 A 10 x 38mm Fast Acting Fuse - - - - - - - -
New
RS Stock No. 212-0153
Mfr. Part No.DF2HN1251
$100.757
Each (In a Pack of 3)
units
250 A NH1 - 500 V ac - - - - - - -
RS Stock No. 209-6412
Mfr. Part No.P1065695
BrandMersen
$4.912
Each (In a Pack of 10)
units
16 A 12.7 x 29mm GG - - - Ceramic - - IEC 60269 -
RS Stock No. 173-7901
Mfr. Part No.8020.0508.PT
BrandSchurter
$500.37
1 Box of 1000
Box(es)
250 mA 3.6 x 10mm T 250 V ac - - Ceramic - - - SPT 3.6x10
RS Stock No. 703-2629
Mfr. Part No.8020.0517.PT
BrandSchurter
$0.74
Each (In a Pack of 10)
units
2 A 3.6 x 10mm T 250 V ac - - Ceramic - - - SPT 3.6x10
RS Stock No. 293-8092
Mfr. Part No.0 113 02
BrandLegrand
$1.934
Each (In a Pack of 10)
units
2 A 8.5 x 23mm F 230 V ac - - Ceramic - - - 0 113