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. 415-963
Mfr. Part No.2211004
BrandETI
TWD25.00
Each (In a Pack of 5)
units
10 A D01 400 V ac GG E14 8 kA @ 250 V dc, 50 kA @ 400 V ac - - Red Ceramic
RS Stock No. 622-1089
Mfr. Part No.5SE2325
BrandSiemens
TWD30.40
Each (In a Pack of 10)
units
25 A D02 400 V ac GG - 8 kA @ 250 V dc, 50 kA @ 400 V ac -5°C +40°C Yellow Ceramic
RS Stock No. 622-1130
Mfr. Part No.5SE2363
BrandSiemens
TWD49.90
Each (In a Pack of 10)
units
63 A D02 400 V ac GG - 8 kA @ 250 V dc, 50 kA @ 400 V ac -5°C +40°C Copper Ceramic
RS Stock No. 396-308
Mfr. Part No.5SB251
BrandSiemens
TWD62.60
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. 395-591
Mfr. Part No.5SB131
BrandSiemens
TWD132.60
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. 415-957
Mfr. Part No.2211003
BrandETI
TWD28.40
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. 421-463
Mfr. Part No.10-005-07/4A
BrandSIBA
TWD143.60
Each (In a Pack of 5)
units
4 A DII 500 V ac GR E27 50 kA - - - Ceramic
RS Stock No. 421-413
Mfr. Part No.10-028-07/25A
BrandSIBA
TWD184.40
Each (In a Pack of 5)
units
25 A D02 440 V ac GR E18 - - - - Ceramic
RS Stock No. 377-0493
Mfr. Part No.X212540
BrandMersen
TWD31.40
Each (In a Pack of 5)
units
25 A DII 500 V GG E27 - -40°C - Yellow Ceramic
RS Stock No. 396-174
Mfr. Part No.5SB231
BrandSiemens
TWD62.60
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. 622-1124
Mfr. Part No.5SE2350
BrandSiemens
TWD99.80
Each (In a Pack of 10)
units
50 A D02 400 V ac GG - 8 kA @ 250 V dc, 50 kA @ 400 V ac -5°C +40°C White Ceramic
RS Stock No. 377-0437
Mfr. Part No.Z219718
BrandMersen
TWD43.20
Each (In a Pack of 5)
units
2 A DII 500 V GG E27 - -40°C - Pink Ceramic
RS Stock No. 899-0932
Mfr. Part No.25D16SC
BrandAltech
TWD459.10
Each (In a Pack of 10)
units
25 A DI 500 V ac GR E16 - - - Yellow Glass
RS Stock No. 395-765
Mfr. Part No.5SA251
BrandSiemens
TWD146.60
Each (In a Pack of 10)
units
10 A DII 500 V ac GG E16 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Red Ceramic
RS Stock No. 899-9753
Mfr. Part No.50D33FB
BrandAltech
TWD104.60
Each (In a Pack of 5)
units
50 A DIII 500 V ac - E33 - - - White Glass
RS Stock No. 181-8657
Mfr. Part No.10D16
TWD291.00
Each
units
10 A DI 500 V ac GG E16 50 kA @ 500 V ac - - Red -
RS Stock No. 413-743
Mfr. Part No.2313401
BrandETI
TWD45.00
Each (In a Pack of 5)
units
35 A DIII 500 V ac GG - gL E33 - - - Black Ceramic
RS Stock No. 899-0730
Mfr. Part No.20NZ02GL
BrandAltech
TWD107.60
Each (In a Pack of 10)
units
20 A - 380 V ac - - - - - - Glass
RS Stock No. 899-0936
Mfr. Part No.25D27FB
BrandAltech
TWD77.40
Each (In a Pack of 10)
units
25 A DII 500 V ac - E27 - - - Yellow Glass
RS Stock No. 377-0550
Mfr. Part No.E214065
BrandMersen
TWD134.20
Each (In a Pack of 5)
units
6 A DII 500 V ac GR E27 50 kA -40°C - - Ceramic