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 Outer Ring Diameter Maximum Wire Size mm² Minimum Wire Size mm² Maximum Wire Size AWG Minimum Wire Size AWG Stud Size Colour Contact Material Contact Plating
RS Stock No. 2509568568
Mfr. Part No.54110
HK$48.72
Each
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New
RS Stock No. 2552606108
Mfr. Part No.19003-0107 (1)
BrandMolex
HK$3,162.00
1 Pack of 2500
Pack(s)
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RS Stock No. 2552568897
Mfr. Part No.3240086 (1)
HK$2.74
Each
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RS Stock No. 2552568126
Mfr. Part No.3201505 (1)
HK$17.20
Each
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RS Stock No. 2552568255
Mfr. Part No.3240251 (1)
HK$2.74
Each
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RS Stock No. 2552568396
Mfr. Part No.0402006 (1)
HK$461.00
Each
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RS Stock No. 2509568489
Mfr. Part No.RD10711
HK$21.14
Each
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RS Stock No. 2552569818
Mfr. Part No.3240665 (1)
HK$1.76
Each
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New
RS Stock No. 2552611143
Mfr. Part No.90170-0020 (1)
BrandMolex
HK$5.27
1 Pack of 5
Pack(s)
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RS Stock No. 2552567816
Mfr. Part No.3200917 (1)
HK$1.37
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RS Stock No. 2508465944
Mfr. Part No.RF10711
HK$20.02
Each
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RS Stock No. 2508462204
Mfr. Part No.B14-6
HK$343.28
1 Pack of 100
Pack(s)
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RS Stock No. 2508389584
Mfr. Part No.KV10-6R-D
HK$4.34
Each
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RS Stock No. 2509517986
Mfr. Part No.P10-8R-L
BrandPanduit
HK$328.02
1 Pack of 50
Pack(s)
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RS Stock No. 2552569801
Mfr. Part No.3201068 (1)
HK$4.69
Each
units
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New
RS Stock No. 2552606466
Mfr. Part No.D-436-37 (1)
HK$7,420.63
1 Pack of 500
Pack(s)
- - - - - - - - - - - - - -
RS Stock No. 2509527983
Mfr. Part No.PV18-610R-CY
BrandPanduit
HK$882.28
1 Pack of 100
Pack(s)
- - - - - - - - - - - - - -
RS Stock No. 2552568895
Mfr. Part No.3201932 (1)
HK$6.45
Each
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RS Stock No. 2552567662
Mfr. Part No.3200328 (1)
HK$2.93
Each
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RS Stock No. 2552567814
Mfr. Part No.3200250 (1)
HK$1.56
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