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. 396-231
Mfr. Part No.3NC1425
BrandSiemens
HK$125.606
Each (In a Pack of 10)
units
25 A 14 x 51mm - 690 V ac - - - AR - - -
RS Stock No. 395-806
Mfr. Part No.3NC1025
BrandSiemens
HK$95.655
Each (In a Pack of 10)
units
25 A 10 x 38mm - 600 V ac - - - AR - - -
RS Stock No. 395-783
Mfr. Part No.3NC1016
BrandSiemens
HK$115.00
Each (In a Pack of 10)
units
16 A 10 x 38mm - 600 V ac - - - AR - - -
RS Stock No. 395-519
Mfr. Part No.3NC1012
BrandSiemens
HK$95.655
Each (In a Pack of 10)
units
12 A 10 x 38mm - 600 V ac - - - AR - - -
RS Stock No. 395-579
Mfr. Part No.3NC1006
BrandSiemens
HK$95.655
Each (In a Pack of 10)
units
6 A 10 x 38mm - 600 V ac - - - AR - - -
RS Stock No. 203-2061
Mfr. Part No.3NW6001-1
BrandSiemens
HK$37.376
Each (In a Pack of 10)
units
6 A 10 x 38mm Fast Acting Fuse - - - - - - - -
RS Stock No. 395-799
Mfr. Part No.3NC1020
BrandSiemens
HK$95.655
Each (In a Pack of 10)
units
20 A 10 x 38mm - 600 V ac - - - AR - - -
RS Stock No. 203-2133
Mfr. Part No.3NW6010-1
BrandSiemens
HK$37.376
Each (In a Pack of 20)
units
25 A 10 x 38mm Fast Acting Fuse - - - - - - - -
RS Stock No. 397-373
Mfr. Part No.3NC1410
BrandSiemens
HK$125.606
Each (In a Pack of 10)
units
10 A 14 x 51mm - 690 V ac - - - AR - - -
RS Stock No. 396-269
Mfr. Part No.3NC1430
BrandSiemens
HK$125.606
Each (In a Pack of 10)
units
30 A 14 x 51mm - 690 V ac - - - AR - - -
New
RS Stock No. 218-3312
Mfr. Part No.3NW1006-0HG
BrandSiemens
HK$155.908
Each (In a Pack of 10)
units
600 mA 10 x 38mm - 600 V - - - - - - -
RS Stock No. 203-2003
Mfr. Part No.3NW6007-1
BrandSiemens
HK$37.376
Each (In a Pack of 20)
units
20 A 10 x 38mm Fast Acting Fuse - - - - - - - -
RS Stock No. 203-2069
Mfr. Part No.3NW6003-4
BrandSiemens
HK$104.861
Each (In a Pack of 20)
units
10 A 10 x 38mm - - - - - - - - -
RS Stock No. 203-2029
Mfr. Part No.3NW6012-1
BrandSiemens
HK$44.476
Each (In a Pack of 20)
units
32 A 10 x 38mm Fast Acting Fuse - - - - - - - -
RS Stock No. 395-513
Mfr. Part No.3NC1010
BrandSiemens
HK$95.655
Each (In a Pack of 10)
units
10 A 10 x 38mm - 600 V ac - - - AR - - -
New
RS Stock No. 218-3313
Mfr. Part No.3NW1025-0HG
BrandSiemens
HK$155.908
Each (In a Pack of 10)
units
2.5 A 10 x 38mm - 600 V - - - - - - -
RS Stock No. 396-342
Mfr. Part No.3NC1406
BrandSiemens
HK$176.176
Each (In a Pack of 10)
units
6 A 14 x 51mm - 690 V ac - - - AR - - -
RS Stock No. 395-507
Mfr. Part No.3NC1008
BrandSiemens
HK$95.655
Each (In a Pack of 10)
units
8 A 10 x 38mm - 600 V ac - - - AR - - -
RS Stock No. 203-2062
Mfr. Part No.3NW6003-1
BrandSiemens
HK$38.675
Each (In a Pack of 10)
units
10 A 10 x 38mm Fast Acting Fuse - - - - - - - -
RS Stock No. 203-2046
Mfr. Part No.3NW6002-1
BrandSiemens
HK$37.376
Each (In a Pack of 10)
units
2 A 10 x 38mm Fast Acting Fuse - - - - - - - -