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庫存編號 804-6953
製造零件編號3240018
HK$2.298
/個 (每包:100個)
單位
C-RCI 1.5/M4 - Insulated Plastic 4.3mm 8mm 1.5mm² 0.5mm² - - M4 Red Copper -
RS庫存編號 804-6950
製造零件編號3240028
HK$3.54
單位
C-RCI 6/M5 - Insulated Plastic 5.3mm 9.5mm 6mm² 4mm² - - M5 Yellow Copper -
RS庫存編號 804-6956
製造零件編號3240022
HK$2.60
單位
C-RCI 2.5/M3.5 - Insulated Plastic 3.7mm 6.6mm 2.5mm² 1.5mm² - - M3.5 Blue Copper -
RS庫存編號 190-3334
製造零件編號3240022
HK$2.022
個 (以毎袋:100)
單位
C-RCI 2.5/M3.5 - Insulated Plastic 3.7mm 6.6mm 2.5mm² 1.5mm² - - M3.5 Blue Copper -
RS庫存編號 803-9649
製造零件編號3240125
HK$50.416
/個 (每包:25個)
單位
C-RC - Uninsulated - 10.5mm 24mm 120mm² 120mm² - - M10 Silver Copper Tin
RS庫存編號 2552569817
製造零件編號3241129 (1)
HK$1.56
單位
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RS庫存編號 2552569818
製造零件編號3240665 (1)
HK$1.76
單位
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RS庫存編號 2552570371
製造零件編號3240100 (1)
HK$9.58
單位
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RS庫存編號 2552568535
製造零件編號3200292 (1)
HK$1.56
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RS庫存編號 2552569806
製造零件編號3200399 (1)
HK$15.60
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RS庫存編號 2552568212
製造零件編號3200247 (1)
HK$1.17
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RS庫存編號 2552568536
製造零件編號3201576 (1)
HK$1.96
單位
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RS庫存編號 2552569807
製造零件編號3200409 (1)
HK$16.40
單位
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RS庫存編號 2552568410
製造零件編號1210019 (1)
HK$475.00
單位
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RS庫存編號 2552568894
製造零件編號3200441 (1)
HK$18.80
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RS庫存編號 2552567818
製造零件編號3201110 (1)
HK$1.37
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RS庫存編號 2552568381
製造零件編號1200104 (1)
HK$1.76
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RS庫存編號 2552568213
製造零件編號3200263 (1)
HK$1.17
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RS庫存編號 2552568216
製造零件編號3200713 (1)
HK$27.20
單位
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RS庫存編號 2552568537
製造零件編號3201589 (1)
HK$1.96
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