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. 501-809
BrandRS PRO
£3.513
Each (In a Pack of 10)
Units
- - - 16A 600V - - - - 5mm 20mm 5 x 20 mm - STK
RS Stock No. 420-038
BrandRS PRO
£48.65
1 Pack of 5
Pack(s)
Yes 5 x 20mm - 10A 250V - - - Phenolic - - 5 x 20 mm - -
RS Stock No. 414-588
BrandRS PRO
£14.728
Each (In a Pack of 5)
Units
Yes 6.3 x 32mm - 10A 415V - - - Phenolic - - 6.3 x 32 mm - -
RS Stock No. 184-9272
BrandRS PRO
£19.306
Each (In a Pack of 5)
Units
- - - 32A - - - - - - - - - -
RS Stock No. 354-385
BrandRS PRO
£90.65
1 Pack of 5
Pack(s)
Yes - - 5A 250V - - - Phenolic - - - - -
RS Stock No. 216-5373
BrandRS PRO
£18.85
Each
Units
- A1 - 20A 660V - - - - - - - - -
RS Stock No. 216-5351
BrandRS PRO
£11.18
Each
Units
- F2 - 63A 415V - - - - - - F2 - -
RS Stock No. 216-5339
BrandRS PRO
£6.79
Each
Units
- F1 - 32A 415V - - - - - - F1 - -
RS Stock No. 216-5525
BrandRS PRO
£95.27
Each
Units
- B2 - 200A - - - - - - - - - -
RS Stock No. 184-9294
BrandRS PRO
£23.542
Each (In a Pack of 5)
Units
- - - 15A - - - - - - - - - -
RS Stock No. 354-391
BrandRS PRO
£25.718
Each (In a Pack of 5)
Units
Yes - - 15A 250V - - - Phenolic - - - - -
RS Stock No. 216-5345
BrandRS PRO
£7.00
Each
Units
- F1 - 32A 415V - - - - - - F1 - -
RS Stock No. 227-1434
BrandRS PRO
£6.79
Each
Units
- E1 - 20A 240V - - - - - - E1 - -
RS Stock No. 501-871
BrandRS PRO
£6.01
Each
Units
- - - - - - - - - 5mm 20 mm, 25 mm 5x20 mm, 5x25 mm - STK
RS Stock No. 413-901
Mfr. Part No.RS20H
£10.81
Each
Units
Yes A1 - 20A 660V ac - - - - - - - - -
RS Stock No. 418-495
Mfr. Part No.32NNSF
£4.81
Each
Units
- F1 - 32A 660V ac - Yes - - - - F1 - -
RS Stock No. 413-939
Mfr. Part No.RS100H
£37.05
Each
Units
Yes A4 - 100A 660V ac - - - - - - - - -
RS Stock No. 413-923
Mfr. Part No.RS63H
£20.11
Each
Units
Yes A3 - 63A 660V ac - - - - - - - - -
RS Stock No. 415-064
Mfr. Part No.RS20HWH
£13.70
Each
Units
Yes A1 - 20A 660V ac - - - - - - - - -
RS Stock No. 415-339
Mfr. Part No.SC32H-D
£7.38
Each
Units
- F1 - 32A 550V ac - - - - - - F1 - -
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