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Terminal Blocks - Barrier Blocks

A Terminal Block with the Type Number T38528-21-0 is a Barrier Block. It has all of the benefits and features of a Terminal Block, but it also provides a safety barrier between current circuits. This barrier block can be used for a variety of applications and is most commonly used when the connection involves more than two conductors. Rather than having to most current requiring that the motor and other circuits be connected in separate blocks/connectors, the Barrier Block allows for all of the conductors involved in the current exchange to be grouped, connected, and managed on one block.

Application Field

Barrier Blocks are primarily used in motor control circuits and other applications that involve electrical control systems. The primary use for T38528-21 is in the motor control circuits that require both power and control circuits to be connected in a single block. The large forward surge current of such a motor control system is handled by a Barrier Block which has a much higher rating than a typical Terminal Block.

Another potential application for the Barrier Block is in power conversion systems. Because of their design, Barrier Blocks are not limited to being used as terminal connectors, but instead, can also help to reduce connection complexity and streamline complex systems. By using Barrier Blocks, power conversion systems can be simplified while allowing for increased power supplies.

Working Principle

Barrier Blocks provide a safe electrical barrier between the power and control circuits of systems. They are designed to offer superior reliability and flexibility when used with the proper electrical connections. The T38528-21-0 Barrier Block features a maximum operating voltage of 600 volts and a rated power of 30 amps. It is designed to be used in high-power systems that require a large forward surge current such as motor control, air conditioning, and other applications. This type of Barrier Block can also be used in power conversion systems.

The Barrier Block utilizes a removable barrier panel that allows the user to customize the terminal block for their particular application. The panel can be configured for two, three, four, or six circuits. It also features an easy snap-in mount, making installation much easier. The wire-clamp mechanism allows for tight connections to ensure proper connection between the conductors. This ensures that the power and control circuits remain separated.

The T38528-21 Barrier block also comes with a variety of features such as a wide operating temperature range, an indicator for circuit position, robust connectors, and an optional spring terminal. This feature allows the terminal block to be securely connected to the power and control circuits while also providing a reliable connection between the two.

The Barrier Block also has an impact resistant design to better withstand a hostile environment where other types of terminal blocks may not be able to reliably hold the connection. These blocks are also designed to be compact and lightweight. This makes them ideal for space constrained applications where they could not normally be installed.

Conclusion

The T38528-21-0 Terminal Block is designed to provide a Barrier Block for high-power systems. This block is most suited for motor control and power conversion applications. The block is configured with a removable barrier panel, allowing the user to configure it for two, three, four, or six circuits. It also features an easy snap-in mount, wire clamping mechanisms, robust connectors, a wide operating temperature range, and an optional spring terminal. These features, combined with the impact resistant design, make the the T38528-21-0 Terminal Block the perfect choice for your applications.

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