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. 622-1130
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. 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. 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. 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. 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. 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. 396-308
Mfr. Part No.5SB251
BrandSiemens
TWD28.40
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. 622-1124
Mfr. Part No.5SE2350
BrandSiemens
TWD50.20
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
TWD143.60
Each (In a Pack of 5)
units
4 A DII 500 V ac GR E27 50 kA - - - Ceramic
New
RS Stock No. 203-3951
Mfr. Part No.5SD450
BrandSiemens
TWD252.20
Each (In a Pack of 5)
units
35 A DIII 500 V GR E33 - - - - -
RS Stock No. 377-0588
Mfr. Part No.T215090
BrandMersen
TWD169.20
Each (In a Pack of 5)
units
16 A DII 500 V ac GR E27 50 kA -40°C - - Ceramic
RS Stock No. 377-0538
Mfr. Part No.Z212542
BrandMersen
TWD166.80
Each (In a Pack of 5)
units
2 A DII 500 V ac GR E27 50 kA -40°C - - Ceramic
RS Stock No. 899-0920
Mfr. Part No.25D16FB
BrandAltech
TWD97.10
Each (In a Pack of 10)
units
25 A DI 500 V ac - E16 - - - Yellow Glass
RS Stock No. 396-168
Mfr. Part No.5SB221
BrandSiemens
TWD40.20
Each (In a Pack of 5)
units
4 A DII 500 V ac GG E27 8 kA @ 500 V dc, 50 kA @ 500 V ac -5°C +40°C Brown Ceramic
RS Stock No. 377-0500
Mfr. Part No.C214063
BrandMersen
TWD51.60
Each (In a Pack of 5)
units
35 A DIII 500 V GG E33 - -40°C - Black Ceramic
RS Stock No. 900-1572
Mfr. Part No.6D27FB
BrandAltech
TWD81.00
Each (In a Pack of 10)
units
6 A DII 500 V ac - E27 - - - Green Glass
RS Stock No. 899-0712
Mfr. Part No.20D27SB
BrandAltech
TWD77.40
Each (In a Pack of 10)
units
20 A DII 500 V ac GG E27 - - - Blue Glass
New
RS Stock No. 203-3952
Mfr. Part No.5SD420
BrandSiemens
TWD168.40
Each (In a Pack of 5)
units
16 A DII 500 V GR E27 - - - - -