Crimp Ring Terminals

A crimp 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.
Why do you need it / applications?
Electrical panels
Terminal blocks
Wiring harnesses
Types
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 mm² -
• Yellow 2.5 mm² to 6 mm²
• Blue 1.5 mm² to 2.5 mm²
Other colours by different manufactures are now 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. 179-4597
Mfr. Part No.R1.5-10VSC-H
BrandABB
PHP17.176
Each (In a Pack of 25)
units
- - Insulated Vinyl - - 1.5mm² 0.5mm² - - M10 Red Copper Tin
RS Stock No. 179-4235
Mfr. Part No.CZL1.5-4
BrandABB
PHP22.381
Each (In a Box of 100)
units
CZL - Uninsulated - - 8mm 1.5mm² - - - M4 - Copper Tin
RS Stock No. 179-4304
Mfr. Part No.CZL150-8CB
BrandABB
PHP1,826.41
Each
units
CZL - Uninsulated - 12mm 19mm 150mm² - - - M8 - Copper Tin
RS Stock No. 179-4373
Mfr. Part No.CZL25-12BM
BrandABB
PHP4,632.49
1 Box of 50
Box(es)
CZL - Uninsulated - - 18mm 25mm² - - - M12 - Copper Tin
RS Stock No. 179-4354
Mfr. Part No.CZL240-12
BrandABB
PHP1,680.59
Each
units
CZL - Uninsulated - - 41mm 240mm² - - - M12 - Copper Tin
RS Stock No. 179-4343
Mfr. Part No.CZL2.5-4
BrandABB
PHP2,238.10
1 Box of 100
Box(es)
CZL - Uninsulated - - 8mm 2.5mm² - - - M4 - Copper Tin
RS Stock No. 179-4281
Mfr. Part No.CZL120-8CB
BrandABB
PHP1,242.31
Each
units
CZL - Uninsulated - 11mm 19mm 120mm² - - - M8 - Copper Tin
RS Stock No. 179-4350
Mfr. Part No.CZL240-10CB
BrandABB
PHP4,385.15
Each
units
CZL - Uninsulated - 13.5mm 31mm 240mm² - - - M10 - Copper Tin
RS Stock No. 179-4598
Mfr. Part No.R1.5-10VDC-H
BrandABB
PHP29.10
Each (In a Pack of 25)
units
- - Insulated Vinyl - - 1.5mm² 0.5mm² - - M10 Red Copper Tin
RS Stock No. 179-4602
Mfr. Part No.R2.5-4VSC-H
BrandABB
PHP13.43
Each (In a Pack of 100)
units
- - Insulated Vinyl - - 2.5mm² 1.5mm² - - M4 Blue Copper Tin
RS Stock No. 179-4238
Mfr. Part No.CZL1000-BL
BrandABB
PHP26,433.38
Each
units
CZL - Uninsulated - - 84.6mm 1000mm² - - - - - Copper Tin
RS Stock No. 179-4438
Mfr. Part No.CZL500-BL
BrandABB
PHP3,287.86
Each
units
CZL - Uninsulated - - 56mm 500mm² - - - - - Copper Tin
RS Stock No. 179-4377
Mfr. Part No.CZL25-6
BrandABB
PHP4,699.36
1 Box of 50
Box(es)
CZL - Uninsulated - - 13.5mm 25mm² - - - M6 - Copper Tin
RS Stock No. 179-4262
Mfr. Part No.CZL120-10BM
BrandABB
PHP13,483.36
1 Box of 25
Box(es)
CZL - Uninsulated - - 30mm 120mm² - - - M10 - Copper Tin
RS Stock No. 179-4606
Mfr. Part No.R2.5-5VDC-H
BrandABB
PHP24.621
Each (In a Pack of 100)
units
- - Insulated Vinyl - - 2.5mm² 1.5mm² - - M5 Blue Copper Tin
RS Stock No. 179-4610
Mfr. Part No.R2.5-8VDC-H
BrandABB
PHP26.86
Each (In a Pack of 50)
units
- - Insulated Vinyl - - 2.5mm² 1.5mm² - - M8 Blue Copper Tin
RS Stock No. 179-4620
Mfr. Part No.R6-6VSC-H
BrandABB
PHP26.844
Each (In a Pack of 25)
units
- - Insulated Vinyl - - 6mm² 4mm² - - M6 Yellow Copper Tin
RS Stock No. 179-4269
Mfr. Part No.CZL120-12BM
BrandABB
PHP13,483.36
1 Box of 25
Box(es)
CZL - Uninsulated - - 30mm 120mm² - - - M12 - Copper Tin
RS Stock No. 179-4435
Mfr. Part No.CZL4-5
BrandABB
PHP2,909.20
1 Box of 100
Box(es)
CZL - Uninsulated - - 10mm 4mm² - - - M5 - Copper Tin
RS Stock No. 179-4456
Mfr. Part No.CZL50-6
BrandABB
PHP8,504.44
1 Box of 50
Box(es)
CZL - Uninsulated - - 18mm 50mm² - - - M6 - Copper Tin