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 726-8846
製造零件編號C1014578J
BrandMersen
HK$93.12
單位
12.5 A 10 x 38mm FF 690 V ac - - Ceramic GR - - Protistor
RS庫存編號 414-033
BrandRS PRO
HK$7.747
/個 (每包:10個)
單位
2 A 6.3 x 32mm T 500 V ac - - Ceramic - - - -
RS庫存編號 173-7910
製造零件編號8020.0603.G
BrandSchurter
HK$4,055.19
毎盒:1000 個
Box(es)
12 A 6.3 x 32mm T 250 V ac - - Ceramic - UL 248-14 - SUT 6.3x32
RS庫存編號 878-3352
製造零件編號0217.500HXP
BrandLittelfuse
HK$2.193
/個 (每包:100個)
單位
500 mA 5 x 20mm F 250 V ac - - Glass - - - 217
RS庫存編號 537-1026
製造零件編號S501-10-R
HK$19.817
/個 (每包:10個)
單位
10 A 5 x 20mm F 250 V ac - - Ceramic - - - S501
RS庫存編號 878-3343
製造零件編號02173.15HXP
BrandLittelfuse
HK$1.90
/個 (每包:100個)
單位
3.15 A 5 x 20mm F 250 V ac - - Glass - - - 217
RS庫存編號 188-6962
製造零件編號X213598
BrandMersen
HK$32.641
/個 (每包:10個)
單位
4 A 10 x 38mm - 500 V ac - - Ceramic GG - - -
RS庫存編號 541-4347
製造零件編號0217.500MXP
BrandLittelfuse
HK$2.348
/個 (每包:10個)
單位
500 mA 5 x 20mm F 250 V ac - - Glass - - - 217
RS庫存編號 820-7209
製造零件編號KLKD030.T
BrandLittelfuse
HK$104.14
單位
30 A 10 x 38mm F 600 V ac/dc - - Melamine - - - KLKD
RS庫存編號 769-0120
製造零件編號0312001.HXP
BrandLittelfuse
HK$2.771
/個 (每包:10個)
單位
1 A 6.3 x 32mm F 250 V ac - - Glass - - - 312
RS庫存編號 541-3035
製造零件編號0313003.MXP
BrandLittelfuse
HK$6.613
/個 (每包:10個)
單位
3 A 6.3 x 32mm T 250 V ac - - Glass - - - 313
RS庫存編號 866-3154
製造零件編號0001.1029
BrandSchurter
HK$15.724
/個 (每包:10個)
單位
3.15 A 6.3 x 32mm F 250 V ac - - Glass - - - SP 6.3x32
RS庫存編號 541-4426
製造零件編號02173.15MXP
BrandLittelfuse
HK$2.348
/個 (每包:10個)
單位
3.15 A 5 x 20mm F 250 V ac - - Glass - - - 217
RS庫存編號 878-3624
製造零件編號0217.050HXP
BrandLittelfuse
HK$11.72
/個 (每包:50個)
單位
50 mA 5 x 20mm F 250 V ac - - Glass - - - 217
RS庫存編號 541-3798
製造零件編號0215004.MXP
BrandLittelfuse
HK$8.00
/個 (每包:10個)
單位
4 A 5 x 20mm T 250 V ac - - Ceramic - - - 215
RS庫存編號 563-609
BrandRS PRO
HK$1.65
/個 (每包:10個)
單位
2 A 5 x 20mm T 250 V ac - - Ceramic - - - -
RS庫存編號 541-4246
製造零件編號0217.050MXP
BrandLittelfuse
HK$14.193
/個 (每包:10個)
單位
50 mA 5 x 20mm F 250 V ac - - Glass - - - 217
RS庫存編號 878-3902
製造零件編號0312001.VXP
BrandLittelfuse
HK$9.336
/個 (每包:5個)
單位
1 A 6.3 x 32mm F 250 V ac - - Glass - - - 312
RS庫存編號 188-7038
製造零件編號W219232
BrandMersen
HK$10.677
/個 (每包:10個)
單位
4 A 10 x 38mm - 500 V ac - - Ceramic AM - - -
RS庫存編號 169-9390
製造零件編號S501-10-R
HK$5,434.00
毎包:1000 個
Bag(s)
10 A 5 x 20mm F 250 V ac - - Ceramic - - - S501