430211-26-0

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Terminal Blocks - Barrier Blocks

430211-26-0 is a type of terminal blocks-barrier blocks. This type of terminal blocks, first seen for industrial applications, is designed to provide insulation barrier against adjacent terminals. It also minimizes risk to be exposed to brief contact and touch. It is suitable for in-panel mounting and suitable for higher power applications.

The benefit of the barrier blocks is in the material that is used-tin-plated copper alloy. This allows for better conductivity and greater protection against voltage shorts and arcing. It also ensures that all elements within the barrier block-the terminals, conductors, fuse holders, and other components-are all properly separated and wired to the same electrical ground.

Features

• Barrier blocks last over long periods even in the most demanding environments;
• Better connection with the tin-plated copper alloy;
• Allows for flexibility when wiring components;
• Higher power applications;
• Provides a safe connection for current to be safely conducted;
• Available in an array of sizes and colors.

Application Field

430211-26-0 application fields include motor control, sensing systems, off-road transport, railway systems, photovoltaic (PV), heavy industrial applications, etc. In general, this type of barrier block is often seen in factory automation, construction sites, industrial plants, and in many other applications where the safe connection of current is required.

Working Principle

The working principle of the barrier blocks depends on the number of contacts, the size and positioning of the contacts, the number of conductors, the type of the conductors, and the type of the terminals. As an example, a barrier block with a four-pole design has four position holes, four ground terminals, and one designated as a test point.

In a terminal block, the conductors and terminals are connected through the same panel. The panel also serves as a conductive path for the electricity. The contact resistance created between the conductors and terminals allows for the current to flow safely.

The terminals allow for the connection of various devices and components in an efficient and safe manner. The terminals provide the connection of the current with less resistance, and the conductors protect against voltage leakage. In addition, the barriers on the block serve as protection from electric shock and reduce the risk of any interruption or overload of the current.

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