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. 413-664
Mfr. Part No.2312405
BrandETI
£0.776
Each (In a Pack of 5)
Units
16A DII 500V ac gG - gL E27 - - - Grey Ceramic
RS Stock No. 622-1051
Mfr. Part No.5SE2310
BrandSiemens
£0.67
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
£1.43
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
RS Stock No. 622-1102
Mfr. Part No.5SE2335
BrandSiemens
£1.11
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. 396-308
Mfr. Part No.5SB251
BrandSiemens
£1.39
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. 622-1089
Mfr. Part No.5SE2325
BrandSiemens
£0.675
Each (In a Pack of 10)
Units
25A D02 400V ac gG - 50 kA @ 400 V ac, 8 kA @ 250 V dc -5°C +40°C Yellow Ceramic
RS Stock No. 413-670
Mfr. Part No.2312406
BrandETI
£0.824
Each (In a Pack of 5)
Units
20A DII 500V ac gG - gL E27 - - - Blue Ceramic
RS Stock No. 413-642
Mfr. Part No.2312403
BrandETI
£1.15
Each (In a Pack of 5)
Units
6A DII 500V ac gG - gL E27 - - - Green Ceramic
RS Stock No. 413-743
Mfr. Part No.2313401
BrandETI
£0.998
Each (In a Pack of 5)
Units
35A DIII 500V ac gG - gL E33 - - - Black Ceramic
RS Stock No. 413-686
Mfr. Part No.2312407
BrandETI
£0.844
Each (In a Pack of 5)
Units
25A DII 500V ac gG - gL E27 - - - Yellow Ceramic
RS Stock No. 396-174
Mfr. Part No.5SB231
BrandSiemens
£1.39
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. 415-957
Mfr. Part No.2211003
BrandETI
£0.632
Each (In a Pack of 5)
Units
6A D01 400V ac gG E14 50 kA @ 400 V ac, 8 kA @ 250 V dc - - Green Ceramic
RS Stock No. 417-852
Mfr. Part No.2311405
BrandETI
£0.596
Each (In a Pack of 5)
Units
16A DI 500V ac gG - gL E16 - - - Grey Ceramic
RS Stock No. 415-979
Mfr. Part No.2211005
BrandETI
£0.554
Each (In a Pack of 5)
Units
16A D01 400V ac gG E14 50 kA @ 400 V ac, 8 kA @ 250 V dc - - Grey Ceramic
RS Stock No. 413-765
Mfr. Part No.2313403
BrandETI
£1.18
Each (In a Pack of 5)
Units
63A DIII 500V ac gG - gL E33 - - - Copper Ceramic
RS Stock No. 622-1130
Mfr. Part No.5SE2363
BrandSiemens
£1.11
Each (In a Pack of 10)
Units
63A D02 400V ac gG - 50 kA @ 400 V ac, 8 kA @ 250 V dc -5°C +40°C Copper Ceramic
RS Stock No. 397-525
Mfr. Part No.5SB261
BrandSiemens
£1.43
Each (In a Pack of 5)
Units
16A DII 500V ac gG E27 50 kA @ 500 V ac, 8 kA @ 500 V dc -5°C +40°C Grey Ceramic
RS Stock No. 416-001
Mfr. Part No.2212003
BrandETI
£0.748
Each (In a Pack of 5)
Units
35A D02 400V ac gG E18 50 kA @ 400 V ac, 8 kA @ 250 V dc - - Black Ceramic
RS Stock No. 397-519
Mfr. Part No.5SB281
BrandSiemens
£1.43
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. 415-991
Mfr. Part No.2212002
BrandETI
£0.632
Each (In a Pack of 5)
Units
25A D02 400V ac gG E18 50 kA @ 400 V ac, 8 kA @ 250 V dc - - Yellow Ceramic
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