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. 377-0370
Mfr. Part No.C213557
BrandMersen
kr 11,35
Each (In a Pack of 5)
Units
6 A DI 500 V GG E16 - -40°C - Green Ceramic
RS Stock No. 421-479
Mfr. Part No.10-005-07/6A
BrandSIBA
kr 33,966
Each (In a Pack of 5)
Units
6 A DII 500 V ac GR E27 50 kA - - - Ceramic
RS Stock No. 396-308
Mfr. Part No.5SB251
BrandSiemens
kr 262,57
1 Pack of 5
Pack(s)
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. 181-8894
Mfr. Part No.10D27Q
kr 34,33
Each
Units
10 A DII 500 V ac GG E27 50 kA @ 500 V ac - - Red -
RS Stock No. 203-3951
Mfr. Part No.5SD450
BrandSiemens
kr 115,062
Each (In a Pack of 5)
Units
35 A DIII 500 V GR E33 - - - - -
RS Stock No. 417-846
Mfr. Part No.2311404
BrandETI
kr 8,034
Each (In a Pack of 5)
Units
10 A DI 500 V ac GG - gL E16 - - - Red Ceramic
RS Stock No. 377-0594
Mfr. Part No.T215596
BrandMersen
kr 39,854
Each (In a Pack of 5)
Units
20 A DII 500 V ac GR E27 50 kA -40°C - - Ceramic
RS Stock No. 181-8566
Mfr. Part No.50NZ02
kr 67,129
Each (In a Box of 10)
Units
50 A D02 400 V ac GG E18 50 kA @ 400 V ac - - White -
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. 415-935
Mfr. Part No.2211001
BrandETI
kr 8,156
Each (In a Pack of 5)
Units
2 A D01 400 V ac GG E14 8 kA @ 250 V dc, 50 kA @ 400 V ac - - Pink Ceramic
RS Stock No. 377-0421
Mfr. Part No.Q215593
BrandMersen
kr 11,35
Each (In a Pack of 5)
Units
25 A DI 500 V GG E16 - -40°C - Yellow Ceramic
RS Stock No. 377-0645
Mfr. Part No.Q217640
BrandMersen
kr 58,30
Each (In a Pack of 5)
Units
50 A DIII 500 V ac GR E33 50 kA -40°C - - Ceramic
RS Stock No. 377-0471
Mfr. Part No.K201765
BrandMersen
kr 8,35
Each (In a Pack of 5)
Units
16 A DII 500 V GG E27 - -40°C - Grey 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. 421-407
Mfr. Part No.10-028-07/20A
BrandSIBA
kr 42,67
Each (In a Pack of 5)
Units
20 A D02 440 V ac GR E18 - - - - Ceramic
RS Stock No. 377-0695
Mfr. Part No.R201771
BrandMersen
kr 96,082
Each (In a Pack of 5)
Units
50 A D02 440 V ac GR E18 - -40°C - - Ceramic
RS Stock No. 377-0493
Mfr. Part No.X212540
BrandMersen
kr 9,458
Each (In a Pack of 5)
Units
25 A DII 500 V GG E27 - -40°C - Yellow Ceramic
RS Stock No. 413-658
Mfr. Part No.2312404
BrandETI
kr 8,936
Each (In a Pack of 5)
Units
10 A DII 500 V ac GG - gL E27 - - - Red 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. 421-463
Mfr. Part No.10-005-07/4A
BrandSIBA
kr 42,224
Each (In a Pack of 5)
Units
4 A DII 500 V ac GR E27 50 kA - - - Ceramic