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
MYR4.144
Each (In a Pack of 5)
units
4 A DII 500 V ac GG - gL E27 - - - Brown Ceramic
RS Stock No. 413-743
Mfr. Part No.2313401
BrandETI
MYR6.564
Each (In a Pack of 5)
units
35 A DIII 500 V ac GG - gL E33 - - - Black Ceramic
RS Stock No. 413-620
Mfr. Part No.2312401
BrandETI
MYR5.034
Each (In a Pack of 5)
units
2 A DII 500 V ac GG - gL E27 - - - Pink Ceramic
RS Stock No. 395-834
Mfr. Part No.5SB431
BrandSiemens
MYR11.814
Each (In a Pack of 5)
units
63 A DIII 500 V ac GG E33 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Copper Ceramic
RS Stock No. 396-308
Mfr. Part No.5SB251
BrandSiemens
MYR31.66
Each (In a Pack of 5)
units
10 A DII 500 V ac GG E27 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Red Ceramic
RS Stock No. 396-174
Mfr. Part No.5SB231
BrandSiemens
MYR7.562
Each (In a Pack of 5)
units
6 A DII 500 V ac GG E27 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Green Ceramic
RS Stock No. 413-658
Mfr. Part No.2312404
BrandETI
MYR5.288
Each (In a Pack of 5)
units
10 A DII 500 V ac GG - gL E27 - - - Red Ceramic
RS Stock No. 396-152
Mfr. Part No.5SB211
BrandSiemens
MYR44.588
Each (In a Pack of 5)
units
2 A DII 500 V ac GG E27 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Pink Ceramic
RS Stock No. 421-514
Mfr. Part No.10-005-07/30A
BrandSIBA
MYR20.344
Each (In a Pack of 5)
units
30 A DII 500 V ac GR E27 50 kA - - - Ceramic
RS Stock No. 395-591
Mfr. Part No.5SB131
BrandSiemens
MYR18.424
Each (In a Pack of 5)
units
6 A DII 500 V ac GG E27 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Green Ceramic
RS Stock No. 395-923
Mfr. Part No.5SB411
BrandSiemens
MYR9.818
Each (In a Pack of 5)
units
35 A DIII 500 V ac GG E33 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Black Ceramic
RS Stock No. 421-479
Mfr. Part No.10-005-07/6A
BrandSIBA
MYR23.51
Each (In a Pack of 5)
units
6 A DII 500 V ac GR E27 50 kA - - - Ceramic
RS Stock No. 657-1390
Mfr. Part No.5SB111
BrandSiemens
MYR98.622
Each (In a Pack of 5)
units
2 A DII 500 V ac GG E27 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Pink Ceramic
RS Stock No. 377-0459
Mfr. Part No.B222917
BrandMersen
MYR5.658
Each (In a Pack of 5)
units
6 A DII 500 V GG - gL E27 - -40°C - Green Ceramic
RS Stock No. 413-664
Mfr. Part No.2312405
BrandETI
MYR6.852
Each (In a Pack of 5)
units
16 A DII 500 V ac GG - gL E27 - - - Grey Ceramic
RS Stock No. 396-156
Mfr. Part No.5SA211
BrandSiemens
MYR18.909
Each (In a Pack of 10)
units
2 A DII 500 V ac GG E16 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Pink Ceramic
RS Stock No. 622-1095
Mfr. Part No.5SE2332
BrandSiemens
MYR4.541
Each (In a Pack of 10)
units
32 A D02 400 V ac GG - 8 kA @ 250 V dc, 50 kA @ 400 V ac -5°C +40°C Black Ceramic
RS Stock No. 413-642
Mfr. Part No.2312403
BrandETI
MYR6.994
Each (In a Pack of 5)
units
6 A DII 500 V ac GG - gL E27 - - - Green Ceramic
RS Stock No. 397-604
Mfr. Part No.5SA231
BrandSiemens
MYR6.408
Each (In a Pack of 10)
units
6 A DII 500 V ac GG E16 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Green Ceramic
RS Stock No. 396-061
Mfr. Part No.5SB271
BrandSiemens
MYR44.072
Each (In a Pack of 5)
units
20 A DII 500 V ac GG E27 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Blue Ceramic
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