Ethernet Couplers

RJ (registered jack) adapters are devices used to convert registered jack connections from one type to another. RJ25 connectors are a standardised connection used in telecommunications applications.

What are RJ adapters used for?

RJ adapters can cover a range of purposes, depending on what type of adapter they are.

  • Couplers join two different connectors together, using two input ports
  • Extensions increase the range of transmission by adding to the length of cable
  • Adapters proper allow different connections to be joined, such as an M12 cable joining to an RJ45 connection

Types of RJ adapters

RJ adapters mainly differ in how many ports they have. They may have between one and six ports, allowing them to connect up to six cables. They can also differ in their wiring configuration, and indeed there are many different types of adapters, from feedthrough connectors to junction boxes to couplers, depending on what you need to convert between. They can be shielded or unshielded.


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Description Price Type Interface Type LAN Category Number of Ports Shield Type Wiring Configuration Length Width Depth Diameter Extension Length Series Series Number Voltage Rating
RS Stock No. 875-5644
Mfr. Part No.20822040001
BrandHARTING
kr 303,49
Each
Units
Plug RJ45 Cat6a - STP - 22mm 26.2mm 69mm - - Ha-VIS preLink 2082204 -
RS Stock No. 782-0797
Mfr. Part No.555050-1
BrandCOMMSCOPE
kr 170,29
Each
Units
Coupler - Cat3 - UTP - 30.73mm 14.6mm 19.05mm - - - - -
RS Stock No. 498-2962
Mfr. Part No.09458451500
BrandHARTING
kr 664,20
Each
Units
RJ Industrial Outlet Push Pull - - - - - 173mm 69mm 90mm - - RJ Industrial - -
RS Stock No. 741-7348
Mfr. Part No.IE-BS-V04P-RJ45-C -1963490000
BrandWeidmuller
kr 324,03
Each
Units
Coupler RJ45 Cat6a - STP - - - - - - - - -
RS Stock No. 875-5610
Mfr. Part No.20821010220
BrandHARTING
kr 499,69
Each
Units
Junction Box RJ45 Cat6EA 2 - Crossed 60mm 81mm 70mm - - Ha-VIS preLink 2082101 -
RS Stock No. 885-7680
Mfr. Part No.30-9344B
kr 80,36
Each
Units
Coupler RJ45 Female Cat5e 1 Unshielded Straight Through 21.3mm 19mm 39.8mm - - - 30 -
RS Stock No. 765-9965
Mfr. Part No.PXM6033TP
BrandBulgin
kr 444,46
Each
Units
Coupler RJ45 Male Cat5e - STP - 42.2mm - - 32mm - Buccaneer - -
RS Stock No. 292-8893
Mfr. Part No.TA1034P4CD
kr 104,48
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 848-5437
Mfr. Part No.CMBAEIY
BrandPanduit
kr 102,69
Each
Units
BNC Coupler Module - - - - Straight Through 45.2mm 15.4mm 18.3mm - - CMBA - -
RS Stock No. 768-4428
Mfr. Part No.EHRJ45P6
kr 110,67
Each
Units
Adapter RJ45 Cat6 - - - 26mm 31mm 30mm - - - - -
RS Stock No. 821-2936
Mfr. Part No.MH3101-CAT6
kr 46,81
Each
Units
Coupler RJ45 Cat6 1 UTP - 16.6mm 16.2mm 29.8mm - - MH3101 MH3101-CAT6 -
RS Stock No. 292-9521
Mfr. Part No.2962722
kr 474,57
Each
Units
- - - - - - 54mm 42mm 45mm - - - - 125 V ac/dc
RS Stock No. 176-6275
Mfr. Part No.PX0777/CAT6ASTP
BrandBulgin
kr 301,59
Each
Units
In-Line Cable Joiner RJ45 Cat6a - STP Straight Through 105mm - - 38.1mm - PX0777 - -
RS Stock No. 768-5544
Mfr. Part No.IE-BSS-V14M-RJ45-FJ- -1085260000
BrandWeidmuller
kr 451,94
Each
Units
Coupler RJ45/IDC Cat6a - - - - - - - - - - -
RS Stock No. 782-0794
Mfr. Part No.555051-1
BrandCOMMSCOPE
kr 51,94
Each
Units
Coupler - Cat3 - UTP - 30.73mm 14.6mm 19.05mm - - - - -
RS Stock No. 768-4416
Mfr. Part No.EHRJ45P5ERS
kr 89,53
Each
Units
Adapter RJ45 Cat5e - - - 26mm 31mm 30mm - - - - -
RS Stock No. 768-4438
Mfr. Part No.EHFF2
kr 92,22
Each
Units
Adapter F Connector/F Connector - - - - 26mm 31mm 21.5mm - - - - -
RS Stock No. 193-0314
Mfr. Part No.RJ45COUPLER
BrandStartech
kr 14,00
Each
Units
Inline Coupler - Cat5e - - - - - - - - - - -
RS Stock No. 194-6794
Mfr. Part No.21.17.3043-200
BrandRoline
kr 28,38
Each
Units
Modular Coupler RJ45 Cat6 2 UTP Straight - - - - - - 21.17.3043 -
RS Stock No. 666-3896
Mfr. Part No.20793020922
BrandHARTING
kr 1 578,85
Each
Units
RJ45 Industrial Outlet - - - - - 125mm 139.3mm 57.5mm - - RJ Industrial - -
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