11181250

Series:	--
Part Status:	Active
Type:	Single Wire
Insulation:	Insulated
Style:	DIN
Size:	4 AWG (25mm²)
Length - Overall:	31.00mm
Length - Pin:	18.00mm
Color:	Yellow

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Terminal Blocks - Accessories - Wire Ferrules

Wire Ferrules are an essential accessory for connecting control wiring for terminal block contacts. Having been used in industrial control systems for over 50 years, wire ferrules continue to be a popular choice for electricians.Wire Ferrules provide the necessary connection between a terminal block contact and the pre-formed ends of bare stranded cable. A standard wire ferrule has two crimp ferrules and a small screw-like barrel with a tip that is inserted into the conductor insulation. The design of the ferrule ensures the electrical connection is maintained in an enclosed and secure manner.There are many types of wire ferrules available, including insulated and uninsulated ferrules, as well as different barrel sizes, barrel lengths, and material varieties. Depending on the application, the wire ferrule is chosen to ensure the best possible contact between terminal block contacts and stranded cable ends. The performance and safety requirements of a system will determine the selection of the correct wire ferrule to be used. Some important considerations to make when choosing a wire ferrule for a particular application are the required terminal block type, contact force, material compatibility, insulation, and mechanical and electrical requirements like current, UL rating, and voltage. When choosing a wire ferrule, a compatible tooling must also be considered. Wire ferrules require crimp tools and this tooling is available in either manually operated or automated versions. If the application requires a high repetitive rate, a powered crimp tool should be used. Although wire ferrules are one of the oldest and most reliable methods of connecting control wiring, they require some consideration to ensure they are suitable for the application they are being used for. Generally, wire ferrules are most commonly used for low-voltage (mostly less than 48V) standard IEC DC circuit control wiring in industry automation systems.In terms of their working principle, wire ferrules are designed to provide a secure connection between a terminal block contact and the pre-formed ends of bare stranded cable. When a wire ferrule is installed onto cable, it is usually crimped onto the insulation of the conductor as well as onto the conductor. This provides a number of benefits for the electrical circuit, including low contact resistance, high pulling forces, increased conductor stability, and protection from corrosion.Wire ferrules are also known as crimp caps, terminals, ring terminals, or butt splices. They are mainly used for DC circuits, alternators, circuit boards, and the connection of wire terminals. As they are easy to assemble, wire ferrules are widely used in the industrial, residential, commercial, and marine applications. Wire ferrules can also be used to attach insulation to flex cable in cable trays. In this case, the conductor insulation is crimped onto the ferrule to maintain secure contact. Many cable termination kits use wire ferrules to provide a consistent and reliable way to terminate and secure cables.To conclude, wire ferrules are an essential accessory that is used to ensure secure connections between terminal block contacts and stranded cable ends. Depending on the application, the correct type of wire ferrule must be chosen to ensure it complies with the performance and safety requirements of the system. The correct tooling must also be selected to ensure the correct fit and finish, which is essential to ensure dependable electrical connections.

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