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. 413-636
Mfr. Part No.2312402
BrandETI
MYR8.062
Each (In a Pack of 5)
units
4A DII 500V ac gG - gL E27 - - - Brown Ceramic
RS Stock No. 413-743
Mfr. Part No.2313401
BrandETI
MYR6.656
Each (In a Pack of 5)
units
35A DIII 500V ac gG - gL E33 - - - Black Ceramic
RS Stock No. 413-620
Mfr. Part No.2312401
BrandETI
MYR8.192
Each (In a Pack of 5)
units
2A DII 500V ac gG - gL E27 - - - Pink 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. 413-658
Mfr. Part No.2312404
BrandETI
MYR4.136
Each (In a Pack of 5)
units
10A DII 500V ac gG - gL E27 - - - Red Ceramic
RS Stock No. 396-152
Mfr. Part No.5SB211
BrandSiemens
MYR48.258
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. 421-514
Mfr. Part No.10-005-07/30A
BrandSIBA
MYR72.074
Each (In a Pack of 5)
units
30A DII 500V ac gR E27 50 kA - - - 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. 421-479
Mfr. Part No.10-005-07/6A
BrandSIBA
MYR17.13
Each (In a Pack of 5)
units
6A DII 500V ac gR E27 50 kA - - - Ceramic
RS Stock No. 377-0459
Mfr. Part No.B222917
BrandMersen
MYR6.378
Each (In a Pack of 5)
units
6A DII 500V gG - gL E27 - -40°C - Green Ceramic
RS Stock No. 413-664
Mfr. Part No.2312405
BrandETI
MYR6.766
Each (In a Pack of 5)
units
16A DII 500V ac gG - gL E27 - - - Grey Ceramic
RS Stock No. 413-642
Mfr. Part No.2312403
BrandETI
MYR7.67
Each (In a Pack of 5)
units
6A DII 500V ac gG - gL E27 - - - Green Ceramic
RS Stock No. 396-156
Mfr. Part No.5SA211
BrandSiemens
MYR16.904
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. 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. 622-1095
Mfr. Part No.5SE2332
BrandSiemens
MYR7.405
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. 847-0983
Mfr. Part No.5SD440
BrandSiemens
MYR43.07
Each
units
25A DII 500V ac/dc gR E27 - -5°C +40°C - -
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. 417-824
Mfr. Part No.2311402
BrandETI
MYR5.136
Each (In a Pack of 5)
units
4A DI 500V ac gG - gL E16 - - - Brown Ceramic
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