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. 622-1102
Mfr. Part No.5SE2335
BrandSiemens
HK$13.183
Each (In a Pack of 10)
units
35 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. 415-991
Mfr. Part No.2212002
BrandETI
HK$7.264
Each (In a Pack of 5)
units
25 A D02 400 V ac GG E18 8 kA @ 250 V dc, 50 kA @ 400 V ac - - Yellow Ceramic
RS Stock No. 415-957
Mfr. Part No.2211003
BrandETI
HK$7.264
Each (In a Pack of 5)
units
6 A D01 400 V ac GG E14 8 kA @ 250 V dc, 50 kA @ 400 V ac - - Green Ceramic
RS Stock No. 413-642
Mfr. Part No.2312403
BrandETI
HK$13.218
Each (In a Pack of 5)
units
6 A DII 500 V ac GG - gL E27 - - - Green Ceramic
RS Stock No. 413-664
Mfr. Part No.2312405
BrandETI
HK$8.92
Each (In a Pack of 5)
units
16 A DII 500 V ac GG - gL E27 - - - Grey Ceramic
RS Stock No. 377-0667
Mfr. Part No.H222923
BrandMersen
HK$67.562
Each (In a Pack of 5)
units
20 A D02 440 V ac GR E18 - -40°C - - Ceramic
RS Stock No. 622-1051
Mfr. Part No.5SE2310
BrandSiemens
HK$7.91
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. 413-686
Mfr. Part No.2312407
BrandETI
HK$9.702
Each (In a Pack of 5)
units
25 A DII 500 V ac GG - gL E27 - - - Yellow Ceramic
RS Stock No. 729-9213
Mfr. Part No.30 119 13 / 6,3A (HK)
BrandSIBA
HK$19,047.14
Each
units
6.3 A - 12000 V ac - - 63 kA @12kV ac - - - Ceramic
RS Stock No. 768-6106
Mfr. Part No.2313402
BrandETI
HK$14.918
Each (In a Pack of 5)
units
50 A DIII 500 V ac GG - gL E33 50 kA @ 500 V ac - - White -
RS Stock No. 899-0942
Mfr. Part No.25NZ02GL
BrandAltech
HK$23.53
Each (In a Pack of 10)
units
25 A - 380 V ac - - - - - - Glass
RS Stock No. 396-308
Mfr. Part No.5SB251
BrandSiemens
HK$15.978
Each (In a Pack of 5)
units
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. 377-0437
Mfr. Part No.Z219718
BrandMersen
HK$10.996
Each (In a Pack of 5)
units
2 A DII 500 V GG E27 - -40°C - Pink Ceramic
RS Stock No. 415-941
Mfr. Part No.2211002
BrandETI
HK$7.104
Each (In a Pack of 5)
units
4 A D01 400 V ac GG E14 8 kA @ 250 V dc, 50 kA @ 400 V ac - - Brown Ceramic
RS Stock No. 413-658
Mfr. Part No.2312404
BrandETI
HK$7.126
Each (In a Pack of 5)
units
10 A DII 500 V ac GG - gL E27 - - - Red Ceramic
RS Stock No. 377-0279
Mfr. Part No.W213160
BrandMersen
HK$10.206
Each (In a Pack of 5)
units
25 A D02 400 V ac GG - 50 kA @ 500 V ac -40°C - Yellow Ceramic
RS Stock No. 397-604
Mfr. Part No.5SA231
BrandSiemens
HK$24.398
Each (In a Pack of 10)
units
6 A DII 500 V ac GG E16 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Green Ceramic
RS Stock No. 415-985
Mfr. Part No.2212001
BrandETI
HK$7.264
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. 421-520
Mfr. Part No.10-007-07/35A
BrandSIBA
HK$40.666
Each (In a Pack of 5)
units
35 A DIII 500 V ac GR E33 50 kA - - - Ceramic
RS Stock No. 622-0913
Mfr. Part No.5SE2304
BrandSiemens
HK$10.106
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