Square Body Fuses

Square Body Fuses are extremely reliable very quick-acting fuses used for the protection of semiconductor devices. The high-speed fuses are specifically designed to protect sensitive devices such as SCRs, thyristors, and diodes. They work by minimizing peak current let-through and arc voltages.

RS Components offer a range of high-quality fuses for all your circuit protection applications. We source our products from industry-leading brands including Mersen and Bussmann.

How do you mount a square body fuse?

These fuses feature a threaded hole through the centre of their casing. This allows the fuse to be conveniently screwed into place without the need for special fuse holders.

What size High-Speed Square Body Fuse types are available?

Our fuses are available in a range of sizes ranging from 30, 31, 32, and 33.

Fuse ratings

Our fuses are available in current ratings ranging from 80 amps to 900 amps.

Fuse application categories

The application category of a fuse is denoted by a two-digit code. Fuses are marked with letters that denote their characteristic or application. The first letter will be lower case, this indicates the breaking range. The second letter will be in the upper case and indicates the characteristics.

aR Class Fuses - Provide partial range breaking capacity, for short circuit protection only.


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Beskrivning Pris Fuse Standard Fuse Size Current Rating Voltage Rating Fuse Speed High Rupture Capacity Body Height Body Width Body Length Application Category
RS-artikelnummer 304-2209
Tillv. art.nrY300079
VarumärkeMersen
2 075,33 kr
Each
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DIN 43653, NF EN 60269-1, NF EN 60269-4 33 700A 700V FF Yes 79.5mm 50.6mm 74.5mm aR
RS-artikelnummer 210-6952
Tillv. art.nr3NC3340-6U
VarumärkeSiemens
2 314,087 kr
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DIN EN 60269-1 NH3 900A 1kV - - - - - aR
RS-artikelnummer 304-2108
Tillv. art.nrT300006
VarumärkeMersen
1 438,26 kr
Each
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DIN 43653, NF EN 60269-1, NF EN 60269-4 31 500A 700V FF Yes 56.5mm 50.6mm 51mm aR
RS-artikelnummer 210-6953
Tillv. art.nr3NC3341-6U
VarumärkeSiemens
2 431,393 kr
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DIN EN 60269-1 NH3 1kA 1kV - - - - - aR
RS-artikelnummer 230-2978
Tillv. art.nr3NC3436-6U
VarumärkeSiemens
2 399,40 kr
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- NH3 630A 440V - - - - - aR
RS-artikelnummer 304-2243
Tillv. art.nrB300082
VarumärkeMersen
2 336,14 kr
Each
Enheter
DIN 43653, NF EN 60269-1, NF EN 60269-4 33 1kA 700V FF Yes 79.5mm 50.6mm 74.5mm aR
RS-artikelnummer 304-2085
Tillv. art.nrR300004
VarumärkeMersen
1 335,06 kr
Each
Enheter
DIN 43653, NF EN 60269-1, NF EN 60269-4 31 400A 700V FF Yes 56.5mm 50.6mm 51mm aR
RS-artikelnummer 304-2158
Tillv. art.nrM300069
VarumärkeMersen
1 613,09 kr
Each
Enheter
DIN 43653, NF EN 60269-1, NF EN 60269-4 32 630A 700V FF - 65.5mm 50.6mm 60mm aR
RS-artikelnummer 230-2975
Tillv. art.nr3NC3434-6U
VarumärkeSiemens
2 367,407 kr
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- NH3 500A 440V - - - - - aR
RS-artikelnummer 304-2114
Tillv. art.nrV300007
VarumärkeMersen
1 478,66 kr
Each
Enheter
DIN 43653, NF EN 60269-1, NF EN 60269-4 31 550A 700V FF Yes 56.5mm 50.6mm 51mm aR
RS-artikelnummer 210-6954
Tillv. art.nr3NC3438-6U
VarumärkeSiemens
2 516,703 kr
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DIN EN 60269-1 NH3 800A 1.1kV - - - - - aR
RS-artikelnummer 448-3263
Tillv. art.nrE300085
VarumärkeMersen
3 094,84 kr
Each
Enheter
DIN 43653, NF EN 60269-1, NF EN 60269-4 33 1.4kA 700V FF Yes 79.5mm 50.6mm 74.5mm aR
RS-artikelnummer 230-2971
Tillv. art.nr3NC3430-6U
VarumärkeSiemens
2 367,407 kr
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- NH3 315A 440V - - - - - aR
RS-artikelnummer 230-2973
Tillv. art.nr3NC3432-6U
VarumärkeSiemens
2 367,407 kr
Each (In a Pack of 3)
Enheter
- NH3 400A 440V - - - - - aR
RS-artikelnummer 304-2164
Tillv. art.nrN300070
VarumärkeMersen
1 520,16 kr
Each
Enheter
DIN 43653, NF EN 60269-1, NF EN 60269-4 32 700A 700V FF Yes 65.5mm 50.6mm 60mm aR
RS-artikelnummer 304-1953
Tillv. art.nrS300051
VarumärkeMersen
830,11 kr
Each
Enheter
DIN 43653, NF EN 60269-1, NF EN 60269-4 30 80A 700V FF Yes 46.5mm 50.6mm 40mm aR
RS-artikelnummer 304-2215
Tillv. art.nrZ300080
VarumärkeMersen
2 160,98 kr
Each
Enheter
DIN 43653, NF EN 60269-1, NF EN 60269-4 33 800A 700V FF Yes 79.5mm 50.6mm 74.5mm aR
RS-artikelnummer 304-2136
Tillv. art.nrH300065
VarumärkeMersen
1 467,84 kr
Each
Enheter
DIN 43653, NF EN 60269-1, NF EN 60269-4 32 400A 700V FF Yes 65.5mm 50.6mm 60mm aR
RS-artikelnummer 304-2186
Tillv. art.nrP300071
VarumärkeMersen
1 805,80 kr
Each
Enheter
DIN 43653, NF EN 60269-1, NF EN 60269-4 32 800A 700V FF Yes 65.5mm 50.6mm 60mm aR
RS-artikelnummer 304-2057
Tillv. art.nrP300002
VarumärkeMersen
1 205,05 kr
Each
Enheter
DIN 43653, NF EN 60269-1, NF EN 60269-4 31 250A 700V FF Yes 56.5mm 50.6mm 51mm aR