Rail Mount Fuse Holders

Rail mount fuse holders are a device used to house fuses, which are designed to protect circuits from overcurrent or short circuits. When a fault is detected, the fuse will break, stopping the flow of current.

What are rail mount fuse holders used for?

Fuses are connected to rail mount fuse holders by slotting them in between two sets of metal contacts. The end caps on the fuses connect to the metal contacts on the fuse holder, allowing the current to flow through the device.

Rail mount fuse holders are specifically designed to be mounted to DIN rails, meaning that they feature a slot for the rail to attach to somewhere in the body of the fuse holder.

Types of rail mount fuse holders

Rail mount fuse holders can vary according to a number of different characteristics, including voltage and current rating, number of poles, lead time and terminal type. Their dimensions can also differ, as can the size and type of fuse that they are designed to fit.


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Description Price Anti Vibration Fuse Size Range Current Rating Voltage Rating Number of Poles Includes Indicator Rail Type Case Material Compatible Fuse Diameter Compatible Fuse Length Compatible Fuse Sizes Contact Material Series
RS stock no. 657-1429
Mfr. Part No.3NC1091
BrandSiemens
R 320.78
Each (In a Pack of 12)
units
- 10 x 38mm - 32A 690V ac 1 - - - - - - - -
RS stock no. 413-939
Mfr. Part No.RS100H
R 708.27
Each
units
Yes A4 - 100A 660V ac - - - - - - - - -
RS stock no. 703-8579
Mfr. Part No.CH221DU
R 402.59
Each
units
- 22 x 58mm - 100A 690V ac 1 - - PET - - - - -
RS stock no. 768-3766
Mfr. Part No.K331094
BrandMersen
R 310.87
Each
units
- - - 125A 690V ac/dc N - - Thermoplastic - - - - -
RS stock no. 501-809
BrandRS PRO
R 34.72
Each (In a Pack of 10)
units
- - - 16A 600V - - - - 5mm 20mm 5 x 20 mm - STK
RS stock no. 287-5783
Mfr. Part No.Z217211K
BrandMersen
R 127.57
Each
units
- 00 - 160A 690V ac 1 - - Plastic - - - - -
RS stock no. 420-038
BrandRS PRO
R 185.77
Each (In a Pack of 5)
units
Yes 5 x 20mm - 10A 250V - - - Phenolic - - 5 x 20 mm - -
RS stock no. 765-2914
Mfr. Part No.CH141DU
R 221.01
Each
units
- 14 x 51mm - 50A 690V ac 1 - - PET - - - - -
RS stock no. 768-3756
Mfr. Part No.A331016
BrandMersen
R 209.95
Each
units
- - - 50A 690V ac/dc 1 - - Thermoplastic - - - - -
RS stock no. 395-658
Mfr. Part No.3NH3030
BrandSiemens
R 188.333
Each (In a Pack of 3)
units
- 00 - 160A 690V ac 1 - - Ceramic - - - - -
RS stock no. 768-3753
Mfr. Part No.D305006
BrandMersen
R 83.88
Each
units
- 8.5 x 31.5mm - 25A 500V ac/dc 1 - - Thermoplastic - - - - -
RS stock no. 712-4793
Mfr. Part No.0091.0001
BrandSchurter
R 186.33
Each
units
- 10.3 x 38mm - 30A 1000V dc 1 - - Thermoplastic - - - - -
RS stock no. 768-3775
Mfr. Part No.E331135
BrandMersen
R 901.42
Each
units
- - - 125A 690V ac/dc 3 - - Thermoplastic - - - - -
RS stock no. 287-5799
Mfr. Part No.N218213
BrandMersen
R 87.99
Each
units
- 10 x 38mm - 32A 500V ac 1 No - - - - - - -
RS stock no. 503-893
Mfr. Part No.H305056
BrandMersen
R 122.08
Each
units
- Neutral Link - 30A 690V ac N - - - - - - - -
RS stock no. 415-339
Mfr. Part No.SC32H-D
R 136.34
Each
units
- F1 - 32A 550V ac - - - - - - F1 - -
RS stock no. 173-7974
Mfr. Part No.0091.0001
BrandSchurter
R 144.138
Each (In a Box of 10)
units
- 10.3 x 38mm - 30A 1kV dc 1 - - Thermoplastic - - - - -
RS stock no. 765-2939
Mfr. Part No.CH143DU
R 932.41
Each
units
- 14 x 51mm - 50A 690V ac 3 - - PET - - - - -
RS stock no. 703-8204
Mfr. Part No.CCP-AUX
R 255.02
Each
units
- 10 x 38mm - 5A 240V ac 1, 2, 3 - - - - - - - -
RS stock no. 221-572
Mfr. Part No.SC63H-D
R 217.07
Each
units
- F2 - 63A 550V ac - - - - - - F2 - -