178/BR

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Wire ferrules are an integral part of terminal blocks, accessories and wire splicing systems. They provide a secure connection between two wires and provide stress relief for the connection. A wire ferrule consists of two parts, a collar and an insulation sleeve, which together form an electrical connection point between two wires. Wire ferrules are available in a range of sizes and shapes, and typically feature stripe layout for easy identification.

The most common type of wire ferrule is the 178/BR type, which is used in electronic equipment for the reliable join of two wires and the securing of the wires in the terminal block. Generally, the 178/BR type ferrule is designed as an insulation sleeve and a collar for quick and easy installation. The insulation sleeve is made from polyamide material, which has zero contact resistance, excellent insulation properties, and good resistance properties to lubricants, oils, and acids. Additionally, the insulation sleeve is designed to provide additional protection and replace the heat shrink tubes.

The collar part of the 178/BR wire ferrule is also made from high-quality polyamide material and it is designed to provide enhanced strain relief for the two wires. Other features such as the marking strip allow the user to easily identify the connection point. In terms of size, the collar is able to accommodate wire sizes ranging from 0.2 mm² to 6 mm², while the insulation sleeve is able to handle wires of 8 - 45 AWG.

In terms of application, the 178/BR type wire ferrule is mainly used in electrical devices installed in harsh environments, particularly in the automotive industry. As mentioned before, it provides a secure connection between two wires while also providing the needed strain relief. Additionally, the insulation sleeve helps to protect the wires from moisture, and provides increased insulation against electrical short circuits.

In terms of working principle, the 178/BR type ferrule is designed as a two-piece assembly which is crimped to the two wires. To install the ferrule, the user first needs to slide the insulation sleeve over the two wires which are to be joined, while ensuring that the collar is free. Secondly, the collar is crimped onto the wires tightly, ensuring complete coverage of the wires with the insulation sleeve. Then, the collar is secured into the terminal block providing strain relief and reliability for the connection.

In conclusion, the 178/BR type wire ferrule is an ideal solution for securely joining two wires, providing increased strain relief and protection against electrical hazards. Additionally, the marking strip serves a visual indication of the connection at a terminal block.

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