Ring Terminals

A ring terminal is a short metal tube with flat washer type ring attached. The tube or barrel end of the crimp is a hollow tube where the stranded wire is inserted and crimped. The contact or connection end is a flat ring with a central hole which connects to a stud or bolt. Ring terminals are insulated or non-insulated.


What does it do?


An electrical crimp is a solderless electrical connection. Ring terminals are used to connect wiring to screws and studs.


Where are they used?



  • Electrical panels 

  • Terminal blocks

  • Wiring harnesses


Types of Ring Terminal


Crimp terminals are available in a wide variety of ring sizes and wire sizes. The CSA (cross sectional area) or AWG (American wire gauge) of the stranded wire is the most critical. The size of the stranded wire must be adequately matched to meet the amperage. The size of the ring is matched to the bolt or stud size, usually in a metric measurement.


Insulated Terminals


DIN 46237 colour coding is the most popular type of crimp terminal. Colour coding is used to denote a wire size:



  • Red 0.5 mm² to 1.5 mm

  • Yellow 2.5 mm² to 6 mm

  • Blue 1.5 mm² to 2.5 mm


Other colours are available.


Non-insulated


Non-insulated terminals are bigger terminals. Non-insulated terminals connect to bigger studs and bolts. Non-insulated ring terminals have the capacity to except larger stranded wire. More specialised tooling is required for these heavy-duty terminals.


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Description Price Series Series Number Insulation Insulation Material Inner Ring Diameter Minimum Wire Size mm² Outer Ring Diameter Maximum Wire Size mm² Maximum Wire Size AWG Minimum Wire Size AWG Stud Size Colour Contact Material Contact Plating
RS Stock No. 208-2622
BrandRS PRO
kr 0,591
Each (In a Pack of 100)
Units
- - Uninsulated - 4.3mm 1.5mm² 8mm 2.5mm² 14AWG 16AWG M4 - Copper Tin
RS Stock No. 613-9413
BrandRS PRO
kr 1,425
Each (In a Pack of 100)
Units
- - Insulated Vinyl 6.4mm 4mm² 12mm 6mm² 10AWG 12AWG M6 Yellow Copper Tin
RS Stock No. 531-059
BrandRS PRO
kr 6,042
Each (In a Pack of 10)
Units
- - Uninsulated - 8.4mm - - 16mm² - - M8 - Copper Tin
RS Stock No. 267-3638
BrandRS PRO
kr 1,394
Each (In a Pack of 100)
Units
- - Insulated Nylon 4.3mm 0.5mm² 6.6mm 1.5mm² 16AWG 22AWG M4 (#8) Red Copper Tin
RS Stock No. 534-193A
BrandRS PRO
kr 509,67
1 Pack of 1000
Pack(s)
- - Insulated PVC 6.35mm 0.5mm² 11mm 1.5mm² 16AWG 22AWG M6 Red Copper Tin
RS Stock No. 149-530
BrandRS PRO
kr 208,97
1 Reel of 500
Reel(s)
3130 - Insulated Vinyl 5.3mm 4mm² 9.5mm 6mm² 10AWG 12AWG M5 (#10) Yellow Copper Tin
RS Stock No. 841-7614
BrandRS PRO
kr 1,489
Each (In a Pack of 100)
Units
- - Uninsulated - 8.3mm 10mm² 12.5mm 10mm² - - 8mm - Copper Tin
RS Stock No. 841-7605
BrandRS PRO
kr 1,651
Each (In a Pack of 100)
Units
- - Uninsulated - 6.5mm 10mm² 11mm 10mm² - - 6mm - Copper Tin
RS Stock No. 613-9328
BrandRS PRO
kr 0,82
Each (In a Pack of 100)
Units
- - Insulated Vinyl 6.4mm 1.5mm² 12mm 2.5mm² 14AWG 16AWG M6 Blue Copper Tin
RS Stock No. 841-7611
BrandRS PRO
kr 1,804
Each (In a Pack of 100)
Units
- - Uninsulated - 8.3mm 16mm² 12.5mm 16mm² - - 8mm - Copper Tin
RS Stock No. 433-028
BrandRS PRO
kr 0,269
Each (In a Pack of 100)
Units
- - Uninsulated - 3.7mm 0.5mm² 6.6mm 1.5mm² 16AWG 22AWG M3.5 - Copper Tin
RS Stock No. 531-037
BrandRS PRO
kr 3,592
Each (In a Pack of 25)
Units
- - Uninsulated - 8.4mm - - 10mm² - - M8 - Copper Tin
RS Stock No. 841-7639
BrandRS PRO
kr 4,592
Each (In a Pack of 50)
Units
- - Uninsulated - 10.3mm 35mm² 17mm 35mm² - - 10mm - Copper Tin
RS Stock No. 534-446
BrandRS PRO
kr 0,976
Each (In a Pack of 100)
Units
- - Insulated PVC 5.3mm 2.5mm² 9.5mm 6mm² 10AWG 12AWG M5 Yellow Copper Tin
RS Stock No. 119-160
BrandRS PRO
kr 2,297
Each (In a Pack of 25)
Units
- - Uninsulated - 6.4mm - - 6mm² - - M6 - Copper Tin
RS Stock No. 841-7608
BrandRS PRO
kr 1,025
Each (In a Pack of 100)
Units
- - Uninsulated - 8.3mm 6mm² 12.5mm 6mm² - - 8mm - Copper Tin
RS Stock No. 433-028A
BrandRS PRO
kr 376,67
1 Pack of 1000
Pack(s)
- - Uninsulated - 3.7mm 0.5mm² 6.6mm 1.5mm² 16AWG 22AWG M3.5 - Copper Tin
RS Stock No. 613-9378
BrandRS PRO
kr 1,425
Each (In a Pack of 100)
Units
- - Insulated Vinyl 3.2mm 4mm² 7.2mm 6mm² 10AWG 12AWG M4 Yellow Copper Tin
RS Stock No. 531-021
BrandRS PRO
kr 2,784
Each (In a Pack of 25)
Units
- - Uninsulated - 6.4mm - - 10mm² - - M6 - Copper Tin
RS Stock No. 841-7598
BrandRS PRO
kr 1,025
Each (In a Pack of 100)
Units
- - Uninsulated - 6.5mm 6mm² 11mm 6mm² - - 6mm - Copper Tin
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