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. 395-783
Mfr. Part No.3NC1016
BrandSiemens
kr 954,53
1 Pack of 10
Pack(s)
16 A - 10 x 38mm - - 600 V ac - - - AR - - - -
RS Stock No. 395-513
Mfr. Part No.3NC1010
BrandSiemens
kr 954,53
1 Pack of 10
Pack(s)
10 A - 10 x 38mm - - 600 V ac - - - AR - - - -
RS Stock No. 396-045
Mfr. Part No.3NC1450
BrandSiemens
kr 1 543,46
1 Pack of 10
Pack(s)
50 A - 14 x 51mm - - 690 V ac - - - AR - - - -
RS Stock No. 396-247
Mfr. Part No.3NC1432
BrandSiemens
kr 1 253,63
1 Pack of 10
Pack(s)
32 A - 14 x 51mm - - 690 V ac - - - AR - - - -
RS Stock No. 396-231
Mfr. Part No.3NC1425
BrandSiemens
kr 1 253,63
1 Pack of 10
Pack(s)
25 A - 14 x 51mm - - 690 V ac - - - AR - - - -
RS Stock No. 395-799
Mfr. Part No.3NC1020
BrandSiemens
kr 954,53
1 Pack of 10
Pack(s)
20 A - 10 x 38mm - - 600 V ac - - - AR - - - -
RS Stock No. 396-304
Mfr. Part No.3NC1402
BrandSiemens
kr 1 092,41
1 Pack of 10
Pack(s)
2 A - 14 x 51mm - - 660 V ac - - - AR - - - -
RS Stock No. 395-519
Mfr. Part No.3NC1012
BrandSiemens
kr 954,53
1 Pack of 10
Pack(s)
12 A - 10 x 38mm - - 600 V ac - - - AR - - - -
RS Stock No. 396-269
Mfr. Part No.3NC1430
BrandSiemens
kr 1 253,63
1 Pack of 10
Pack(s)
30 A - 14 x 51mm - - 690 V ac - - - AR - - - -
RS Stock No. 395-812
Mfr. Part No.3NC1032
BrandSiemens
kr 954,53
1 Pack of 10
Pack(s)
32 A - 10 x 38mm - - 600 V ac - - - AR - - - -
RS Stock No. 396-225
Mfr. Part No.3NC1420
BrandSiemens
kr 1 253,63
1 Pack of 10
Pack(s)
20 A - 14 x 51mm - - 690 V ac - - - AR - - - -
RS Stock No. 396-253
Mfr. Part No.3NC1440
BrandSiemens
kr 1 288,42
1 Pack of 10
Pack(s)
40 A - 14 x 51mm - - 690 V ac - - - AR - - - -
RS Stock No. 396-358
Mfr. Part No.3NC1415
BrandSiemens
kr 1 133,09
1 Pack of 10
Pack(s)
15 A - 14 x 51mm - - 690 V ac - - - AR - - - -
RS Stock No. 395-806
Mfr. Part No.3NC1025
BrandSiemens
kr 954,53
1 Pack of 10
Pack(s)
25 A - 10 x 38mm - - 600 V ac - - - AR - - - -
RS Stock No. 397-373
Mfr. Part No.3NC1410
BrandSiemens
kr 1 253,63
1 Pack of 10
Pack(s)
10 A - 14 x 51mm - - 690 V ac - - - AR - - - -
RS Stock No. 396-342
Mfr. Part No.3NC1406
BrandSiemens
kr 1 133,09
1 Pack of 10
Pack(s)
6 A - 14 x 51mm - - 690 V ac - - - AR - - - -
RS Stock No. 395-507
Mfr. Part No.3NC1008
BrandSiemens
kr 862,80
1 Pack of 10
Pack(s)
8 A - 10 x 38mm - - 600 V ac - - - AR - - - -
RS Stock No. 395-579
Mfr. Part No.3NC1006
BrandSiemens
kr 954,53
1 Pack of 10
Pack(s)
6 A - 10 x 38mm - - 600 V ac - - - AR - - - -
RS Stock No. 395-503
Mfr. Part No.3NC1003
BrandSiemens
kr 1 372,47
1 Pack of 10
Pack(s)
3 A - 10 x 38mm - - 600 V ac - - - AR - - - -