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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Omschrijving Prijs 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-stocknr. 838-8314
Fabrikantnummer8-5
FabrikantJST
€ 0,24
Each (In a Pack of 50)
Aantal stuks
R - Uninsulated - 5.3mm 6.6mm² 12mm 10.5mm² 8AWG 8AWG 5mm - - -
RS-stocknr. 161-7851
Fabrikantnummer8-5
FabrikantJST
€ 0,08
Each (In a Box of 500)
Aantal stuks
R - Uninsulated - 5.3mm 6.6mm² 12mm 10.5mm² 8AWG 8AWG 5mm - - -
RS-stocknr. 838-8342
Fabrikantnummer22-12
FabrikantJST
€ 1,206
Each (In a Pack of 10)
Aantal stuks
R - Uninsulated - 13mm 16.78mm² 22mm 26.66mm² 4AWG 4AWG 12mm - - -
RS-stocknr. 166-7192
Fabrikantnummer22-12
FabrikantJST
€ 0,774
Each (In a Box of 100)
Aantal stuks
R - Uninsulated - 13mm 16.78mm² 22mm 26.66mm² 4AWG 4AWG 12mm - - -
RS-stocknr. 688-1410
FabrikantnummerLRB-1.0T-M3
FabrikantJST
€ 0,114
Each (In a Pack of 100)
Aantal stuks
LRB - Uninsulated - 3.2mm 0.5mm² 8mm 1mm² 18AWG 20AWG M3 - Brass Tin
RS-stocknr. 166-7495
FabrikantnummerLRB-1.0T-M3
FabrikantJST
€ 105,26
1 Bag of 1000
Bag(s)
LRB - Uninsulated - 3.2mm 0.5mm² 8mm 1mm² 18AWG 20AWG M3 - Brass Tin
RS-stocknr. 166-7337
Fabrikantnummer60-12
FabrikantJST
€ 1,566
Each (In a Box of 50)
Aantal stuks
R - Uninsulated - 13mm 42.4mm² 22mm 60.57mm² 1/0AWG 1/0AWG 12mm - - -
RS-stocknr. 838-8367
Fabrikantnummer60-12
FabrikantJST
€ 2,259
Each (In a Pack of 10)
Aantal stuks
R - Uninsulated - 13mm 42.4mm² 22mm 60.57mm² 1/0AWG 1/0AWG 12mm - - -
RS-stocknr. 688-1268
FabrikantnummerFVWS2-M5
FabrikantJST
€ 0,117
Each (In a Pack of 100)
Aantal stuks
FV - Insulated Vinyl - 1mm² - 2.6mm² 14AWG 16AWG 5mm Blue - -
RS-stocknr. 838-8257
Fabrikantnummer1.25-3
FabrikantJST
€ 0,049
Each (In a Pack of 100)
Aantal stuks
R - Uninsulated - 3.2mm 0.25mm² 5.5mm 1.65mm² 16AWG 22AWG 3mm - - -
RS-stocknr. 688-1423
FabrikantnummerLRB-1.0T-M5
FabrikantJST
€ 0,114
Each (In a Pack of 100)
Aantal stuks
LRB - Uninsulated - 5.3mm 0.5mm² 9.5mm 1mm² 18AWG 20AWG M5 - Brass Tin
RS-stocknr. 688-1293
FabrikantnummerFVWS5.5-6(LF)
FabrikantJST
€ 0,187
Each (In a Pack of 100)
Aantal stuks
FV - Insulated Vinyl 6.4mm 2.6mm² 12mm 6.6mm² 10AWG 12AWG M6 (1/4) Yellow - -
RS-stocknr. 166-7360
Fabrikantnummer1.25-3
FabrikantJST
€ 30,13
1 Box of 1000
Box(es)
R - Uninsulated - 3.2mm 0.25mm² 5.5mm 1.65mm² 16AWG 22AWG 3mm - - -
RS-stocknr. 604-8070
Fabrikantnummer0.5-3
FabrikantJST
€ 7,46
1 Bag of 100
Bag(s)
- - Uninsulated - - 0.2mm² - 0.5mm² 22AWG 26AWG 3mm - - -
RS-stocknr. 166-7484
FabrikantnummerFVWS2-M5
FabrikantJST
€ 59,66
1 Box of 1000
Box(es)
FV - Insulated Vinyl - 1mm² - 2.6mm² 14AWG 16AWG 5mm Blue - -
RS-stocknr. 166-7191
FabrikantnummerFVWS5.5-6(LF)
FabrikantJST
€ 0,132
Each (In a Box of 500)
Aantal stuks
FV - Insulated Vinyl 6.4mm 2.6mm² 12mm 6.6mm² 10AWG 12AWG M6 (1/4) Yellow - -
RS-stocknr. 166-7488
FabrikantnummerLRB-1.0T-M5
FabrikantJST
€ 105,26
1 Bag of 1000
Bag(s)
LRB - Uninsulated - 5.3mm 0.5mm² 9.5mm 1mm² 18AWG 20AWG M5 - Brass Tin
RS-stocknr. 838-8248
Fabrikantnummer0.5-3.7
FabrikantJST
€ 0,037
Each (In a Pack of 100)
Aantal stuks
R - Uninsulated - - 0.2mm² - 0.5mm² 22AWG 26AWG 3.5mm - - -
RS-stocknr. 838-8361
Fabrikantnummer70-10
FabrikantJST
€ 2,646
Each (In a Pack of 10)
Aantal stuks
R - Uninsulated - 10.5mm 60.57mm² 24mm 76.28mm² 2/0AWG 2/0AWG 10mm - - -
RS-stocknr. 166-7289
Fabrikantnummer70-10
FabrikantJST
€ 1,948
Each (In a Box of 25)
Aantal stuks
R - Uninsulated - 10.5mm 60.57mm² 24mm 76.28mm² 2/0AWG 2/0AWG 10mm - - -