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. 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. 396-279
Mfr. Part No.3NH4030
BrandSiemens
R 1,710.00
Each
units
- 00 - 160A 690V ac 3 - - Plastic - - - - -
RS stock no. 397-553
Mfr. Part No.3NH3230
BrandSiemens
R 1,300.00
1 Pack of 3
Pack(s)
- 1 - 250A 690V ac 1 - - - - - - - -
New
RS stock no. 203-2114
Mfr. Part No.3NW7013-4
BrandSiemens
R 135.053
Each (In a Pack of 12)
units
Yes 10 x 38mm SENTRON 30A 1kV 1 No - - - - - - -
RS stock no. 396-275
Mfr. Part No.3NH4230
BrandSiemens
R 4,690.00
Each
units
- 1 - 250A 690V ac 3 - - - - - - - -
RS stock no. 396-005
Mfr. Part No.3NC1493
BrandSiemens
R 1,602.80
Each (In a Pack of 2)
units
- 14 x 51mm - 50A 690V ac 3 - - - - - - - -
RS stock no. 396-219
Mfr. Part No.3NC1491
BrandSiemens
R 943.533
Each (In a Pack of 6)
units
- 14 x 51mm - 50A 690V ac 1 - - - - - - - -
New
RS stock no. 203-2036
Mfr. Part No.3NW7533-0HG
BrandSiemens
R 640.61
Each (In a Pack of 4)
units
Yes Class CC SENTRON 30A 600V 3 No - - - - - - -
New
RS stock no. 203-2048
Mfr. Part No.3NW7013
BrandSiemens
R 120.35
Each
units
Yes 10 x 38mm SENTRON 32A 690V 1 No - - - - - - -
New
RS stock no. 203-2153
Mfr. Part No.3NW7513-0HG
BrandSiemens
R 212.973
Each (In a Pack of 12)
units
Yes Class CC SENTRON 30A 600V 1 No - - - - - - -
RS stock no. 196-3561
Mfr. Part No.3NW7053
BrandSiemens
R 328.97
Each
units
- 10 x 38mm Sentron 32A 690V 2 - DIN Rail - - 38mm 10 x 38 mm - -
RS stock no. 396-297
Mfr. Part No.3NC1093
BrandSiemens
R 957.00
Each (In a Pack of 4)
units
- 10 x 38mm - 32A 690V ac 3 - - - - - - - -
RS stock no. 397-335
Mfr. Part No.3NC1492
BrandSiemens
R 1,981.40
Each (In a Pack of 3)
units
- 14 x 51mm - 50A 690V ac 2 - - - - - - - -
RS stock no. 395-828
Mfr. Part No.3NC1092
BrandSiemens
R 581.867
Each (In a Pack of 6)
units
- 10 x 38mm - 32A 690V ac 2 - - - - - - - -