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. 377-0392
Mfr. Part No.J214575
BrandMersen
TWD35.40
Each (In a Pack of 5)
units
16 A DI 500 V GG E16 - -40°C - Grey Ceramic
RS Stock No. 181-8647
Mfr. Part No.6D16
TWD291.00
Each
units
6 A DI 500 V ac GG E16 50 kA @ 500 V ac - - Green -
RS Stock No. 415-979
Mfr. Part No.2211005
BrandETI
TWD25.80
Each (In a Pack of 5)
units
16 A D01 400 V ac GG E14 8 kA @ 250 V dc, 50 kA @ 400 V ac - - Grey Ceramic
RS Stock No. 413-642
Mfr. Part No.2312403
BrandETI
TWD51.80
Each (In a Pack of 5)
units
6 A DII 500 V ac GG - gL E27 - - - Green Ceramic
RS Stock No. 898-3405
Mfr. Part No.16NZ01GL
BrandAltech
TWD107.60
Each (In a Pack of 10)
units
- - - - - - - - - -
RS Stock No. 377-0623
Mfr. Part No.K217129
BrandMersen
TWD182.80
Each (In a Pack of 5)
units
35 A DIII 500 V ac GR E33 50 kA -40°C - - Ceramic
RS Stock No. 377-0594
Mfr. Part No.T215596
BrandMersen
TWD126.80
Each (In a Pack of 5)
units
20 A DII 500 V ac GR E27 50 kA -40°C - - Ceramic
RS Stock No. 377-0645
Mfr. Part No.Q217640
BrandMersen
TWD182.80
Each (In a Pack of 5)
units
50 A DIII 500 V ac GR E33 50 kA -40°C - - Ceramic
New
RS Stock No. 203-3952
Mfr. Part No.5SD420
BrandSiemens
TWD177.60
Each (In a Pack of 5)
units
16 A DII 500 V GR E27 - - - - -
RS Stock No. 899-1468
Mfr. Part No.2D27FB
BrandAltech
TWD83.00
Each (In a Pack of 10)
units
2 A DII 500 V ac - E27 - - - Pink Glass
RS Stock No. 899-0715
Mfr. Part No.20D16SC
BrandAltech
TWD240.40
Each (In a Pack of 25)
units
20 A DI 500 V ac GR E16 - - - Blue Glass
RS Stock No. 657-1390
Mfr. Part No.5SB111
BrandSiemens
TWD471.00
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. 377-0601
Mfr. Part No.B216109
BrandMersen
TWD134.00
Each (In a Pack of 5)
units
25 A DII 500 V ac GR E27 50 kA - - - Ceramic
RS Stock No. 900-1566
Mfr. Part No.6D16FB
BrandAltech
TWD97.10
Each (In a Pack of 10)
units
6 A DI 500 V ac - E16 - - - Green Glass
RS Stock No. 622-0907
Mfr. Part No.5SE2302
BrandSiemens
TWD39.70
Each (In a Pack of 10)
units
2 A D01 400 V ac GG - 8 kA @ 250 V dc, 50 kA @ 400 V ac -5°C +40°C Pink Ceramic
RS Stock No. 377-0257
Mfr. Part No.R223023
BrandMersen
TWD33.00
Each (In a Pack of 5)
units
16 A D01 400 V ac GG - 100 kA -40°C - Grey Ceramic
RS Stock No. 899-3420
Mfr. Part No.2D16SB
BrandAltech
TWD94.30
Each (In a Pack of 10)
units
2 A DI 500 V ac GG E16 - - - Pink Glass
RS Stock No. 413-670
Mfr. Part No.2312406
BrandETI
TWD37.00
Each (In a Pack of 5)
units
20 A DII 500 V ac GG - gL E27 - - - Blue Ceramic
RS Stock No. 866-3195
Mfr. Part No.0001.2031
BrandSchurter
TWD134.30
Each (In a Pack of 25)
units
63 A DTI 250 V ac GG - - - - Copper Ceramic
RS Stock No. 622-1146
Mfr. Part No.5SE2280
BrandSiemens
TWD173.10
Each (In a Pack of 10)
units
80 A D03 400 V ac GG - 8 kA @ 250 V dc, 50 kA @ 400 V ac -5°C +40°C Blue Ceramic