Red Pre-Insulated Ring Terminals

Color: Red
Size: 3mm (3.2mm)
Pack Quantity: Pack of 1
Sale price£0.62
Only 3 units left


Pre-insulated ring terminals are electrical connectors designed for use in various wiring and electrical applications. These terminals are typically used to terminate or connect wires to electrical components such as switches, circuit breakers, relays, or other devices, and they provide electrical insulation to prevent short circuits or electrical hazards. Here are some key features and details about pre-insulated ring terminals:

  1. Ring Shape: These terminals have a ring or circular shape, and they are designed to be crimped or soldered onto the end of a wire. The ring shape allows them to be securely attached to a screw or stud on an electrical component, providing a reliable and secure electrical connection.

  2. Pre-Insulated: The "pre-insulated" part of the name means that these terminals come with insulation already attached. The insulation is typically made of plastic or nylon and serves to provide electrical insulation, prevent accidental contact with live wires, and protect against short circuits.

  3. Wire Gauge Compatibility: Pre-insulated ring terminals are available in various sizes to accommodate different wire gauges or diameters. It's important to choose the right size of terminal to match the wire you are working with.

  4. Color Coding: The insulation on pre-insulated ring terminals is often color-coded to help identify the wire size or the type of electrical circuit they are used in. This makes it easier to select the appropriate terminal for a specific application.

  5. Crimping or Soldering: These terminals can be attached to wires using crimping tools or by soldering, depending on the specific application and preference.

  6. Usage: Pre-insulated ring terminals are commonly used in electrical and electronic installations, including automotive wiring, industrial equipment, control panels, and household electrical wiring. They are particularly useful in situations where a secure and reliable electrical connection is needed.

When using pre-insulated ring terminals, it's essential to follow proper installation procedures and ensure that the terminals are securely attached to the wire and the electrical component. This helps maintain the integrity of the electrical connection and prevents potential safety hazards.

Size Insulation Colour Wire Size mm² Stud Size
3mm Red 0.5 - 1.5 3.2mm
3.5mm Red 0.5 - 1.5 3.7mm
4mm Red 0.5 - 1.5 4.3mm
5mm Red 0.5 - 1.5 5.3mm
6mm Red 0.5 - 1.5 6.4mm
8mm Red 0.5 - 1.5 8.4mm
10mm Red 0.5 - 1.5 10.5mm
12mm Red 0.5 - 1.5 12mm
3mm Blue 1.5 - 2.5 3.2mm
3.5mm Blue 1.5 - 2.5 3.7mm
4mm Blue 1.5 - 2.5 4.3mm
5mm Blue 1.5 - 2.5 5.3mm
6mm Blue 1.5 - 2.5 6.4mm
8mm Blue 1.5 - 2.5 8.4mm
10mm Blue 1.5 - 2.5 10.5mm
12mm Blue 1.5 - 2.5 13mm
3.5mm Yellow 4 - 6 3.7mm
4mm Yellow 4 - 6 4.3mm
5mm Yellow 4 - 6 5.3mm
6mm Yellow 4 - 6 6.4mm
8mm Yellow 4 - 6 8.4mm
10mm Yellow 4 - 6 10.5mm
12mm Yellow 4 - 6 13mm


Material (Insulation) PVC
Material (Terminal) Copper
Material (Plating) Tin
Maximum Temperature 75oC
ROHS Compliant Yes


For larger quantities not listed, please email and we will be happy to provide you with a quotation.

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