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. 768-3775
Mfr. Part No.E331135
BrandMersen
€53.49
Each
units
- - - 125A 690V ac/dc 3 - - Thermoplastic - - - - -
RS Stock No. 380-5662
Mfr. Part No.US3J1
BrandMersen
€24.05
Each
units
- 22 x 58mm - 30A 600V ac 1 - - - - - - - -
RS Stock No. 287-5799
Mfr. Part No.N218213
BrandMersen
€5.81
Each
units
- 10 x 38mm - 32A 500V ac 1 No - - - - - - -
RS Stock No. 768-3740
Mfr. Part No.W305022
BrandMersen
€17.05
Each
units
- 10.3 x 38.1mm - 32A 690V ac/dc 2 - - Thermoplastic - - - - -
RS Stock No. 768-3778
Mfr. Part No.B331109
BrandMersen
€66.55
Each
units
- - - 125A 690V ac/dc 3+N - - Thermoplastic - - - - -
RS Stock No. 715-9014
Mfr. Part No.US101IHEL
BrandMersen
€9.97
Each
units
- 10 x 38mm - 32A 1000V dc 1 Yes - - - - - - -
RS Stock No. 189-5341
Mfr. Part No.H1062722
BrandMersen
€6.63
Each
units
- 10 x 38mm Modulostar 32A 690 1000V ac/dc N - - Thermoplastic - 10.3mm - - CUS10
RS Stock No. 380-5678
Mfr. Part No.US3J3
BrandMersen
€69.21
Each
units
- 22 x 58mm - 30A 600V ac 3 - - - - - - - -
RS Stock No. 136-0554
Mfr. Part No.B305004C
BrandMersen
€19.347
Each (In a Box of 3)
units
- 8.3 x 31.5mm Modulostar 25A 500V ac/dc 3+N - - - 8.3mm 31.5mm - - -
RS Stock No. 178-1159
Mfr. Part No.S239124
BrandMersen
€16.262
Each (In a Pack of 6)
units
- F2 - 63A 550V - - DIN 35 mm - - - - - -
RS Stock No. 178-1162
Mfr. Part No.D239088
BrandMersen
€13.577
Each (In a Pack of 6)
units
- A1 - 32A 550V - - DIN 35 mm - - - - - -
RS Stock No. 768-3734
Mfr. Part No.A305003
BrandMersen
€22.37
Each
units
- 8.5 x 31.5mm - 25A 500V ac/dc 3 - - Thermoplastic - - - - -
RS Stock No. 377-1294
Mfr. Part No.H215632
BrandMersen
€10.99
Each
units
- 8 x 31mm - 20A 400V 1+N - - - - - - - -
RS Stock No. 189-5342
Mfr. Part No.G1062790
BrandMersen
€35.41
Each
units
- 10 x 38mm Modulostar 30A 600V ac/dc 3 - - Thermoplastic - 10mm - - CUSCC
RS Stock No. 178-1164
Mfr. Part No.C230140
BrandMersen
€17.89
Each (In a Pack of 6)
units
- A2 - 32A 690V - - DIN 35 mm - - - - - -
RS Stock No. 189-5335
Mfr. Part No.H1062699
BrandMersen
€14.34
Each
units
- 10 x 38mm Modulostar 32A 690V ac/dc 2 - - Thermoplastic - 10.3mm - - CMC10
RS Stock No. 287-5806
Mfr. Part No.C200769
BrandMersen
€6.03
Each
units
- 8 x 31mm - 25A 400V 1 - - - - - - - -
RS Stock No. 768-3750
Mfr. Part No.T331056
BrandMersen
€13.88
Each
units
- - - 50A 690V ac/dc N - - Thermoplastic - - - - -
RS Stock No. 136-0626
Mfr. Part No.V305021F
BrandMersen
€16.98
Each
units
- 10.3 x 38.1mm Modulostar 32A 690V ac/dc 1P + N - - - 10.3mm 38.1mm - - -
RS Stock No. 377-1317
Mfr. Part No.R211546
BrandMersen
€10.99
Each
units
- 10 x 38mm - 32A 400V ac 1+N - - - - - - - -