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
TWD26.80
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. 622-1130
Mfr. Part No.5SE2363
BrandSiemens
TWD52.10
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. 622-1089
Mfr. Part No.5SE2325
BrandSiemens
TWD38.30
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. 421-413
Mfr. Part No.10-028-07/25A
BrandSIBA
TWD188.40
Each (In a Pack of 5)
units
25 A D02 440 V ac GR E18 - - - - Ceramic
RS Stock No. 622-1124
Mfr. Part No.5SE2350
BrandSiemens
TWD52.10
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. 421-463
Mfr. Part No.10-005-07/4A
BrandSIBA
TWD146.80
Each (In a Pack of 5)
units
4 A DII 500 V ac GR E27 50 kA - - - Ceramic
RS Stock No. 396-174
Mfr. Part No.5SB231
BrandSiemens
TWD41.60
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. 377-0493
Mfr. Part No.X212540
BrandMersen
TWD31.00
Each (In a Pack of 5)
units
25 A DII 500 V GG E27 - -40°C - Yellow Ceramic
RS Stock No. 396-308
Mfr. Part No.5SB251
BrandSiemens
TWD29.60
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. 415-957
Mfr. Part No.2211003
BrandETI
TWD30.00
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. 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. 417-874
Mfr. Part No.2311207
BrandETI
TWD22.00
Each (In a Pack of 5)
units
25 A DI 500 V ac GG - gL - - - - Yellow Ceramic
RS Stock No. 622-1045
Mfr. Part No.5SE2306
BrandSiemens
TWD41.30
Each (In a Pack of 10)
units
6 A D01 400 V ac GG - 8 kA @ 250 V dc, 50 kA @ 400 V ac -5°C +40°C Green Ceramic
RS Stock No. 417-818
Mfr. Part No.2311401
BrandETI
TWD35.60
Each (In a Pack of 5)
units
2 A DI 500 V ac GG - gL E16 - - - Pink Ceramic
RS Stock No. 421-514
Mfr. Part No.10-005-07/30A
BrandSIBA
TWD141.60
Each (In a Pack of 5)
units
30 A DII 500 V ac GR E27 50 kA - - - Ceramic
RS Stock No. 421-407
Mfr. Part No.10-028-07/20A
BrandSIBA
TWD170.00
Each (In a Pack of 5)
units
20 A D02 440 V ac GR E18 - - - - Ceramic
RS Stock No. 182-1537
Mfr. Part No.35D33
TWD122.30
Each (In a Box of 25)
units
35 A DIII 500 V ac - E33 50 kA @ 500 V ac - - Black -
RS Stock No. 622-1051
Mfr. Part No.5SE2310
BrandSiemens
TWD31.30
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. 417-824
Mfr. Part No.2311402
BrandETI
TWD34.80
Each (In a Pack of 5)
units
4 A DI 500 V ac GG - gL E16 - - - Brown Ceramic
RS Stock No. 415-979
Mfr. Part No.2211005
BrandETI
TWD27.00
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