J8-4 Connectors, Interconnects

Series:	J8, Buchanan
Part Status:	Active
Lead Free Status / RoHS Status:	--
Type:	Barrier Block
Moisture Sensitivity Level (MSL):	--
Number of Positions:	4
Pitch:	0.438" (11.12mm)
Style:	Around Barrier, Spade
For Use With/Related Products:	#8, Buchanan Series
Contact Material:	Copper Alloy
Contact Finish:	Tin
Color:	--

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Terminal blocks are essential components of any electrical connection, having the primary function of providing reliable contact between conductors inside an electrical circuit. Jumpers are a type of terminal blocks that have the additional advantage of providing a quick and easy way to bypass a circuit. The J8-4 block is a four-pole jumper designed to create a fast and reliable connection between two points in an electrical circuit. In this article, we will discuss the J8-4 terminal block’s application field and working principle, its classification into the Terminal Blocks - Accessories - Jumpers category, and the various types of J8-4 blocks available. First, let’s look at the application field of the J8-4 terminal block. It is typically used to link between two current sources in an electrical circuit. It is commonly found in motor control circuits, automotive wiring, power electronics, industrial automation and marine systems. The J8-4 terminal block is a high-current jumper, meaning it is capable of carrying currents of up to 16A per connection. It is also highly resistant to vibration and can withstand temperatures up to 200℃ (395°F). Next, we will take a closer look at the working principle of the J8-4 terminal block. The J8-4 consists of a single body with four poles and two contact strips. Each pole consists of two parts, a rigid insulated body and a flexible contact spring. When the two components come into contact, the flexible contact spring exerts a force on the insulated body, creating a reliable connection. The flexible contact spring also provides a high degree of electrical contact reliability in the presence of vibrations and high temperatures. To ensure the safety of personnel and equipment, all types of terminal blocks are classified into their own categories based on their performance and features. The J8-4 block falls within the Terminal Blocks - Accessories - Jumpers category. This category includes all types of terminal blocks that are designed to provide efficient and reliable connection between two points in an electrical circuit.Now that we understand the J8-4 terminal block’s application field and working principle, let’s take a look at the various types of J8-4 blocks available. Two of the most popular types are the F series J8-4 terminal block, which is suitable for general-purpose applications, and the C series J8-4 block, which is typically used in harsh environments. The F series block is available with a variety of contact materials and mounting styles, such as screw-termination and screwless clamps. The C series block is also available with a variety of contact materials and mounting styles, but it is specifically designed to be DIN-rail mountable and to provide improved hygiene for medical applications. To summarize, the J8-4 terminal block is a four-pole jumper used to provide fast and reliable connection between two points in an electrical circuit. It is highly resistant to vibration and can withstand temperatures up to 200℃ (395°F). The J8-4 block is classified into the Terminal Blocks - Accessories - Jumpers category due to its performance and features. There are two main types of J8-4 blocks available, the F series and the C series, each offering different mounting styles and contact materials.

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