Bottle Fuses

Bottle fuses are a type of fuse with differently sized ends. They are designed to ensure that the wrong fuse is never inserted into the circuit, as their larger end is sized according to the adaptor screw holes.

Fuses are designed to protect a circuit against overcurrent or other faults. When overcurrent occurs, the metal strip in the fuse will melt, causing the circuit to break and preventing further damage.

How do bottle fuses work?

Bottle fuses are inserted into the circuit in a similar way to normal fuses, by connecting their two ends to the adjacent parts, or by using a bottle fuse holder However, unlike regular fuses, when a bottle fuse blows, the colour indicator located at the head of the fuse pops out, to let the user know that there is a problem with a circuit. The fuse will then need to be changed.

Types of bottle fuses

Bottle fuses, as the name suggests, feature a bottle shaped body with a larger tip and a smaller one. They vary in exact shape and come in different sizes and voltage ranges depending on the specific application.


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Description Price Current Rating Bottle Fuse Size Voltage Rating Application Category Thread Size Breaking Capacity at Maximum Voltage Rating Minimum Operating Temperature Maximum Operating Temperature Gauge/Cap Colour Body Material
RS Stock No. 395-834
Mfr. Part No.5SB431
BrandSiemens
MYR15.908
Each (In a Pack of 5)
units
63A DIII 500V ac gG E33 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Copper Ceramic
RS Stock No. 396-308
Mfr. Part No.5SB251
BrandSiemens
MYR9.272
Each (In a Pack of 5)
units
10A DII 500V ac gG E27 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Red Ceramic
RS Stock No. 396-174
Mfr. Part No.5SB231
BrandSiemens
MYR9.37
Each (In a Pack of 5)
units
6A DII 500V ac gG E27 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Green Ceramic
RS Stock No. 396-152
Mfr. Part No.5SB211
BrandSiemens
MYR10.74
Each (In a Pack of 5)
units
2A DII 500V ac gG E27 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Pink Ceramic
RS Stock No. 395-591
Mfr. Part No.5SB131
BrandSiemens
MYR18.424
Each (In a Pack of 5)
units
6A DII 500V ac gG E27 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Green Ceramic
RS Stock No. 395-923
Mfr. Part No.5SB411
BrandSiemens
MYR15.908
Each (In a Pack of 5)
units
35A DIII 500V ac gG E33 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Black Ceramic
RS Stock No. 657-1390
Mfr. Part No.5SB111
BrandSiemens
MYR69.864
Each (In a Pack of 5)
units
2A DII 500V ac gG E27 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Pink Ceramic
RS Stock No. 622-1095
Mfr. Part No.5SE2332
BrandSiemens
MYR11.006
Each (In a Pack of 10)
units
32A D02 400V ac gG - 50 kA @ 400 V ac, 8 kA @ 250 V dc -5°C +40°C Black Ceramic
RS Stock No. 397-604
Mfr. Part No.5SA231
BrandSiemens
MYR21.973
Each (In a Pack of 10)
units
6A DII 500V ac gG E16 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Green Ceramic
RS Stock No. 396-156
Mfr. Part No.5SA211
BrandSiemens
MYR20.464
Each (In a Pack of 10)
units
2A DII 500V ac gG E16 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Pink Ceramic
RS Stock No. 396-061
Mfr. Part No.5SB271
BrandSiemens
MYR9.538
Each (In a Pack of 5)
units
20A DII 500V ac gG E27 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Blue Ceramic
RS Stock No. 847-0983
Mfr. Part No.5SD440
BrandSiemens
MYR43.02
Each
units
25A DII 500V ac/dc gR E27 - -5°C +40°C - -
RS Stock No. 397-543
Mfr. Part No.5SB421
BrandSiemens
MYR15.908
Each (In a Pack of 5)
units
50A DIII 500V ac gG E33 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C White Ceramic
RS Stock No. 397-486
Mfr. Part No.5SA271
BrandSiemens
MYR21.745
Each (In a Pack of 10)
units
20A DII 500V ac gG E16 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Blue Ceramic
RS Stock No. 396-168
Mfr. Part No.5SB221
BrandSiemens
MYR10.74
Each (In a Pack of 5)
units
4A DII 500V ac gG E27 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Brown Ceramic
RS Stock No. 622-1102
Mfr. Part No.5SE2335
BrandSiemens
MYR7.482
Each (In a Pack of 10)
units
35A D02 400V ac gG - 50 kA @ 400 V ac, 8 kA @ 250 V dc -5°C +40°C Black Ceramic
RS Stock No. 622-1045
Mfr. Part No.5SE2306
BrandSiemens
MYR6.268
Each (In a Pack of 10)
units
6A D01 400V ac gG - 50 kA @ 400 V ac, 8 kA @ 250 V dc -5°C +40°C Green Ceramic
RS Stock No. 622-1124
Mfr. Part No.5SE2350
BrandSiemens
MYR14.808
Each (In a Pack of 10)
units
50A D02 400V ac gG - 50 kA @ 400 V ac, 8 kA @ 250 V dc -5°C +40°C White Ceramic
RS Stock No. 622-1051
Mfr. Part No.5SE2310
BrandSiemens
MYR4.469
Each (In a Pack of 10)
units
10A D01 400V ac gG - 50 kA @ 400 V ac, 8 kA @ 250 V dc -5°C +40°C Red Ceramic
RS Stock No. 622-1067
Mfr. Part No.5SE2316
BrandSiemens
MYR9.639
Each (In a Pack of 10)
units
16A D01 400V ac gG - 50 kA @ 400 V ac, 8 kA @ 250 V dc -5°C +40°C Grey Ceramic