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. 377-0235
Mfr. Part No.B215695
BrandMersen
SGD1.718
Each (In a Pack of 5)
units
6 A D01 400 V ac GG - 100 kA - - Green Ceramic
RS Stock No. 417-846
Mfr. Part No.2311404
BrandETI
SGD1.294
Each (In a Pack of 5)
units
10 A DI 500 V ac GG - gL E16 - - - Red Ceramic
RS Stock No. 413-765
Mfr. Part No.2313403
BrandETI
SGD2.522
Each (In a Pack of 5)
units
63 A DIII 500 V ac GG - gL E33 - - - Copper Ceramic
RS Stock No. 395-771
Mfr. Part No.5SA221
BrandSiemens
SGD4.976
Each (In a Pack of 10)
units
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. 416-017
Mfr. Part No.2212004
BrandETI
SGD1.846
Each (In a Pack of 5)
units
50 A D02 400 V ac GG E18 8 kA @ 250 V dc, 50 kA @ 400 V ac - - White Ceramic
RS Stock No. 377-0320
Mfr. Part No.L216716
BrandMersen
SGD11.826
Each (In a Pack of 5)
units
80 A D03 400 V ac GG - 50 kA -40°C - Silver Ceramic
RS Stock No. 377-0500
Mfr. Part No.C214063
BrandMersen
SGD2.328
Each (In a Pack of 5)
units
35 A DIII 500 V GG E33 - -40°C - Black Ceramic
RS Stock No. 377-0336
Mfr. Part No.N212647
BrandMersen
SGD11.826
Each (In a Pack of 5)
units
100 A D03 400 V ac GG - 50 kA -40°C - Red Ceramic
RS Stock No. 377-0409
Mfr. Part No.Q215087
BrandMersen
SGD1.618
Each (In a Pack of 5)
units
20 A DI 500 V GG E16 - -40°C - Blue Ceramic
RS Stock No. 421-441
Mfr. Part No.10-028-07/63A
BrandSIBA
SGD9.73
Each (In a Pack of 5)
units
63 A D02 440 V ac GR E18 - - - - Ceramic
RS Stock No. 395-591
Mfr. Part No.5SB131
BrandSiemens
SGD6.00
Each (In a Pack of 5)
units
6 A DII 500 V ac GG E27 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Green Ceramic
RS Stock No. 413-658
Mfr. Part No.2312404
BrandETI
SGD1.286
Each (In a Pack of 5)
units
10 A DII 500 V ac GG - gL E27 - - - Red Ceramic
RS Stock No. 622-1118
Mfr. Part No.5SE2340
BrandSiemens
SGD2.375
Each (In a Pack of 10)
units
40 A D02 400 V ac GG - 8 kA @ 250 V dc, 50 kA @ 400 V ac -5°C +40°C Black Ceramic
RS Stock No. 377-0544
Mfr. Part No.K213058
BrandMersen
SGD4.632
Each (In a Pack of 5)
units
4 A DII 500 V ac GR E27 50 kA -40°C - - Ceramic
RS Stock No. 622-1051
Mfr. Part No.5SE2310
BrandSiemens
SGD1.512
Each (In a Pack of 10)
units
10 A D01 400 V ac GG - 8 kA @ 250 V dc, 50 kA @ 400 V ac -5°C +40°C Red Ceramic
RS Stock No. 395-991
Mfr. Part No.5SC221
BrandSiemens
SGD25.077
Each (In a Pack of 3)
units
100 A DIV 500 V ac GG - 8 kA @ 400 V dc, 50 kA @ 500 V ac -5°C +40°C Red Ceramic
RS Stock No. 415-985
Mfr. Part No.2212001
BrandETI
SGD2.262
Each (In a Pack of 5)
units
20 A D02 400 V ac GG E18 8 kA @ 250 V dc, 50 kA @ 400 V ac - - Blue Ceramic
RS Stock No. 421-463
Mfr. Part No.10-005-07/4A
BrandSIBA
SGD6.63
Each (In a Pack of 5)
units
4 A DII 500 V ac GR E27 50 kA - - - Ceramic
RS Stock No. 377-0314
Mfr. Part No.C201873
BrandMersen
SGD2.116
Each (In a Pack of 5)
units
63 A D02 400 V ac GG - 50 kA @ 500 V ac - - Copper Ceramic
RS Stock No. 417-874
Mfr. Part No.2311207
BrandETI
SGD1.012
Each (In a Pack of 5)
units
25 A DI 500 V ac GG - gL - - - - Yellow Ceramic