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. 413-642
Mfr. Part No.2312403
BrandETI
PHP85.318
Each (In a Pack of 5)
units
6A DII 500V ac gG - gL E27 - - - Green Ceramic
RS Stock No. 377-0522
Mfr. Part No.R215088
BrandMersen
PHP98.604
Each (In a Pack of 5)
units
63A DIII 500V gG E33 - -40°C - Copper Ceramic
RS Stock No. 622-1118
Mfr. Part No.5SE2340
BrandSiemens
PHP122.414
Each (In a Pack of 10)
units
40A 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
PHP68.997
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. 417-852
Mfr. Part No.2311405
BrandETI
PHP44.218
Each (In a Pack of 5)
units
16A DI 500V ac gG - gL E16 - - - Grey Ceramic
RS Stock No. 397-519
Mfr. Part No.5SB281
BrandSiemens
PHP115.644
Each (In a Pack of 5)
units
25A DII 500V ac gG E27 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Yellow Ceramic
RS Stock No. 396-308
Mfr. Part No.5SB251
BrandSiemens
PHP324.288
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. 377-0370
Mfr. Part No.C213557
BrandMersen
PHP64.55
Each (In a Pack of 5)
units
6A DI 500V gG E16 - -40°C - Green Ceramic
RS Stock No. 417-846
Mfr. Part No.2311404
BrandETI
PHP44.96
Each (In a Pack of 5)
units
10A DI 500V ac gG - gL E16 - - - Red Ceramic
RS Stock No. 417-830
Mfr. Part No.2311403
BrandETI
PHP53.566
Each (In a Pack of 5)
units
6A DI 500V ac gG - gL E16 - - - Green Ceramic
RS Stock No. 413-658
Mfr. Part No.2312404
BrandETI
PHP45.998
Each (In a Pack of 5)
units
10A DII 500V ac gG - gL E27 - - - Red Ceramic
RS Stock No. 396-174
Mfr. Part No.5SB231
BrandSiemens
PHP515.62
1 Pack of 5
Pack(s)
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. 413-664
Mfr. Part No.2312405
BrandETI
PHP60.844
Each (In a Pack of 5)
units
16A DII 500V ac gG - gL E27 - - - Grey Ceramic
RS Stock No. 413-636
Mfr. Part No.2312402
BrandETI
PHP85.318
Each (In a Pack of 5)
units
4A DII 500V ac gG - gL E27 - - - Brown Ceramic
RS Stock No. 417-824
Mfr. Part No.2311402
BrandETI
PHP57.126
Each (In a Pack of 5)
units
4A DI 500V ac gG - gL E16 - - - Brown Ceramic
RS Stock No. 413-765
Mfr. Part No.2313403
BrandETI
PHP87.544
Each (In a Pack of 5)
units
63A DIII 500V ac gG - gL E33 - - - Copper Ceramic
RS Stock No. 377-0392
Mfr. Part No.J214575
BrandMersen
PHP60.312
Each (In a Pack of 5)
units
16A DI 500V gG E16 - -40°C - Grey Ceramic
RS Stock No. 395-591
Mfr. Part No.5SB131
BrandSiemens
PHP207.098
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. 899-0936
Mfr. Part No.25D27FB
BrandAltech
PHP122.85
Each (In a Pack of 10)
units
25A DII 500V ac - E27 - - - Yellow Glass
RS Stock No. 396-152
Mfr. Part No.5SB211
BrandSiemens
PHP490.246
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
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