39521-1005

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Terminal blocks, headers, plugs, and sockets are essential components for connecting multiple electrical circuits. The 39521-1005 is a terminal block that provides a secure and reliable connection between two circuits. It is used in many electronics applications in which fast and efficient electrical connections are needed.

Design and Construction

The 39521-1005 is a 2-piece terminal block which consists of an insulating body and a terminal insert. The body is made of thermoplastic UL94V-0, and the terminal insert is made of brass and plated with tin-plated copper. The body has a shape resembling a bell with a 5.08-millimeter wide slot. This allows the terminal insert to be inserted into the body with ease and securely locked in place.

The terminal insert has eight insertion holes for wires. While wire sizes range from #20-#12 AWG, it is recommended to use #12 AWG for best performance. The insert also features two opposed circular depressions for a locking screw for secure mounting to a wall or PCB.

Application Field

The 39521-1005 terminal block is designed to provide secure connections for appliance and industrial controls, as well as provides general-purpose applications. It is suitable for indoor and outdoor use, and its metal construction makes it durable enough to withstand harsh environments. It is also ideal for electrical applications in which fast and reliable connections are needed.

The terminal block is widely used in industrial control systems, such as motor control, material handling, machine automation, food processing, commercial refrigeration, and general-purpose electronics. It is also suitable for various lighting projects, such as architectural lighting, street lighting, and landscape illumination. In addition, it is frequently used in low-voltage wiring projects, in residential, commercial, and industrial environments.

Working Principle

The 39521-1005 terminal block uses a standard clamping mechanism to securely connect two circuits. The terminal insert is inserted into the body of the terminal block and the locking screw is tightened to firmly hold the electrical connection in place. By providing a secure electrical connection between two points, it helps to prevent accidental short circuits.

It also helps to ensure a clean and efficient electrical connection. Its tin-plated copper ensures greater conductivity, and by securely clamping the wire into the terminal block, it prevents loose contacts and shorts. This helps to ensure an uninterrupted, efficient connection between two circuits, and reduces the risk of electrical failure.

Conclusion

The 39521-1005 terminal block is a reliable and efficient component for connecting two electrical circuits. It is suitable for harsh indoor and outdoor environments, and its metal construction makes it highly durable. It is ideal for numerous electrical applications, including motor control systems, residential wiring, commercial lighting, and low-voltage wiring. Its secure clamping mechanism ensures a clean and efficient connection between two points, and helps to prevent accidental short circuits.

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