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庫存編號 878-3554
製造零件編號0326012.HXP
BrandLittelfuse
HK$11.30
/個 (每包:50個)
單位
12 A 6.3 x 32mm T 250 V ac - - Ceramic - - - 326
RS庫存編號 787-4299
製造零件編號0326012.MXP
BrandLittelfuse
HK$14.03
/個 (每包:5個)
單位
12 A 6.3 x 32mm T 250 V ac - - Ceramic - - - 326
RS庫存編號 878-1463
製造零件編號0FLQ03.2T
BrandLittelfuse
HK$181.58
單位
3.2 A 10 x 38mm T 300 V dc, 500 V ac - - Melamine - - - FLQ
RS庫存編號 876-8290
製造零件編號0217001.VXP
BrandLittelfuse
HK$14.20
/個 (每包:5個)
單位
1 A 5 x 20mm F 250 V ac - - Glass - - - 217
RS庫存編號 878-3794
製造零件編號0217001.HXP
BrandLittelfuse
HK$1.845
/個 (每包:100個)
單位
1 A 5 x 20mm F 250 V ac - - Glass - - - 217
RS庫存編號 541-4375
製造零件編號0217001.MXP
BrandLittelfuse
HK$2.234
/個 (每包:10個)
單位
1 A 5 x 20mm F 250 V ac - - Glass - - - 217
RS庫存編號 541-4684
製造零件編號0215002.MXP
BrandLittelfuse
HK$9.75
/個 (每包:10個)
單位
2 A 5 x 20mm T 250 V ac - - Ceramic - - - 215
RS庫存編號 878-4030
製造零件編號0312003.VXP
BrandLittelfuse
HK$10.87
/個 (每包:5個)
單位
3 A 6.3 x 32mm F 250 V ac - - Glass - - - 312
RS庫存編號 769-0102
製造零件編號0312003.HXP
BrandLittelfuse
HK$8.41
/個 (每包:10個)
單位
3 A 6.3 x 32mm F 250 V ac - - Glass - - - 312
RS庫存編號 541-3760
製造零件編號0215.500MXP
BrandLittelfuse
HK$9.58
/個 (每包:10個)
單位
500 mA 5 x 20mm T 250 V ac - - Ceramic - - - 215
RS庫存編號 878-3422
製造零件編號0313020.HXP
BrandLittelfuse
HK$9.50
/個 (每包:50個)
單位
20 A 6.3 x 32mm T 32 V ac - - Glass - - - 313
RS庫存編號 878-1366
製造零件編號0215.500HXP
BrandLittelfuse
HK$8.45
/個 (每包:100個)
單位
500 mA 5 x 20mm T 250 V ac - - Ceramic - - - 215
RS庫存編號 541-2931
製造零件編號0213001.MXP
BrandLittelfuse
HK$5.95
/個 (每包:10個)
單位
1 A 5 x 20mm T 250 V ac - - Glass - - - 213
RS庫存編號 541-4533
製造零件編號0218010.MXP
BrandLittelfuse
HK$9.75
/個 (每包:10個)
單位
10 A 5 x 20mm T 250 V ac - - Glass - - - 218
RS庫存編號 787-4303
製造零件編號0314012.HXP
BrandLittelfuse
HK$6.772
/個 (每包:5個)
單位
12 A 6.3 x 32mm F 250 V ac - - Ceramic - - - 314
RS庫存編號 878-3784
製造零件編號0218010.HXP
BrandLittelfuse
HK$10.18
/個 (每包:50個)
單位
10 A 5 x 20mm T 250 V ac - - Glass - - - 218
RS庫存編號 878-3371
製造零件編號0314002.HXP
BrandLittelfuse
HK$6.36
/個 (每包:50個)
單位
2 A 6.3 x 32mm F 250 V ac - - Ceramic - - - 314
RS庫存編號 769-0082
製造零件編號0313003.HXP
BrandLittelfuse
HK$6.53
/個 (每包:10個)
單位
3 A 6.3 x 32mm T 250 V ac - - Glass - - - 313
RS庫存編號 769-0120
製造零件編號0312001.HXP
BrandLittelfuse
HK$2.60
/個 (每包:10個)
單位
1 A 6.3 x 32mm F 250 V ac - - Glass - - - 312
RS庫存編號 541-4347
製造零件編號0217.500MXP
BrandLittelfuse
HK$2.234
/個 (每包:10個)
單位
500 mA 5 x 20mm F 250 V ac - - Glass - - - 217