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. 377-0443
Mfr. Part No.G222163
BrandMersen
kr 12,568
Each (In a Pack of 5)
Units
4 A DII 500 V GG E27 - -40°C - Brown Ceramic
RS Stock No. 396-061
Mfr. Part No.5SB271
BrandSiemens
kr 309,56
1 Pack of 5
Pack(s)
20 A DII 500 V ac GG E27 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Blue Ceramic
RS Stock No. 413-686
Mfr. Part No.2312407
BrandETI
kr 11,166
Each (In a Pack of 5)
Units
25 A DII 500 V ac GG - gL E27 - - - Yellow Ceramic
RS Stock No. 202-7226
Mfr. Part No.5SD470
BrandSiemens
kr 104,366
Each (In a Pack of 5)
Units
63 A DIII 500 V GR E33 - - - - -
RS Stock No. 202-7074
Mfr. Part No.5SE1325
BrandSiemens
kr 125,684
Each (In a Pack of 10)
Units
25 A D02 400 V GR - - - - - -
RS Stock No. 377-0285
Mfr. Part No.R219826
BrandMersen
kr 12,01
Each (In a Pack of 5)
Units
35 A D02 400 V ac GG - 50 kA @ 500 V ac -40°C - Black Ceramic
RS Stock No. 377-0689
Mfr. Part No.F201255
BrandMersen
kr 93,938
Each (In a Pack of 5)
Units
35 A D02 440 V ac GR E18 - -40°C - - Ceramic
RS Stock No. 181-8720
Mfr. Part No.63D33
kr 67,89
Each
Units
63 A DIII 500 V ac GG E33 50 kA @ 500 V ac - - Copper -
RS Stock No. 413-636
Mfr. Part No.2312402
BrandETI
kr 16,872
Each (In a Pack of 5)
Units
4 A DII 500 V ac GG - gL E27 - - - Brown Ceramic
RS Stock No. 377-0550
Mfr. Part No.E214065
BrandMersen
kr 42,508
Each (In a Pack of 5)
Units
6 A DII 500 V ac GR E27 50 kA -40°C - - Ceramic
RS Stock No. 422-551
Mfr. Part No.10-005-07/20A
BrandSIBA
kr 37,382
Each (In a Pack of 5)
Units
20 A DII 500 V ac GR E27 50 kA - - Grey Ceramic
RS Stock No. 421-429
Mfr. Part No.10-028-07/35A
BrandSIBA
kr 56,846
Each (In a Pack of 5)
Units
35 A D02 440 V ac GR E18 - - - - Ceramic
RS Stock No. 421-441
Mfr. Part No.10-028-07/63A
BrandSIBA
kr 63,212
Each (In a Pack of 5)
Units
63 A D02 440 V ac GR E18 - - - - Ceramic
RS Stock No. 622-0913
Mfr. Part No.5SE2304
BrandSiemens
kr 8,832
Each (In a Pack of 10)
Units
4 A D01 400 V ac GG - 8 kA @ 250 V dc, 50 kA @ 400 V ac -5°C +40°C Brown Ceramic
RS Stock No. 395-771
Mfr. Part No.5SA221
BrandSiemens
kr 271,58
1 Pack of 10
Pack(s)
4 A DII 500 V ac GG E16 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Brown Ceramic
RS Stock No. 181-8572
Mfr. Part No.6D27Q
kr 1 106,13
1 Box of 25
Box(es)
6 A DII 500 V ac GG E27 50 kA @ 500 V ac - - Green -
RS Stock No. 417-818
Mfr. Part No.2311401
BrandETI
kr 10,372
Each (In a Pack of 5)
Units
2 A DI 500 V ac GG - gL E16 - - - Pink Ceramic
RS Stock No. 898-3388
Mfr. Part No.16D16SC
BrandAltech
kr 70,677
Each (In a Pack of 25)
Units
16 A DI 500 V ac GR E16 - - - Grey Glass
RS Stock No. 377-0651
Mfr. Part No.Y218153
BrandMersen
kr 60,538
Each (In a Pack of 5)
Units
63 A DIII 500 V ac GR E33 50 kA -40°C - - Ceramic
RS Stock No. 417-868
Mfr. Part No.2311406
BrandETI
kr 8,054
Each (In a Pack of 5)
Units
20 A DI 500 V ac GG - gL E16 - - - Blue Ceramic