7603-551

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Terminal Blocks - Barrier Blocks

The 7603-551 series terminal Interlocking Barrier Blocks offer a range of dependable, space-saving solutions for termination, distribution, connection, and protection of electrical wiring systems in industrial applications.

This series of barrier blocks is designed to fit into a 67 mm (2.64”) grid perfectly and are suited for creating power, signal, and distribution assemblies. This series of terminal blocks provides a safe and efficient way to connect electrical circuits and help prevent faults due to accidental shorting or contact with live wires. It offers a dependable and reliable protection system for electrical wiring, designed to meet the requirements of a wide variety of applications.

7603-551 Application Field and Working Principle

The 7603-551 terminal interlocking barrier blocks are typically used for power, signal, and distribution applications, including panel wiring, switchboard wiring, motor control, junction box wiring, ground block wiring, and more. These terminals are especially suitable for use in harsh environments, such as industrial automation, petrochemical, food processing, mining, automotive, and other industries.

The 7603-551 features a terminal block with screw-type connections which are suitable for mounting on the front of the terminal block. The terminal blocks feature a patented interlocking design which provides a secure connection point for both screw and plug-in contacts. The terminal blocks also include an integral strain relief feature, which helps to protect the wires from damage due to prolonged flexing or vibration. Additionally, the terminals feature an internal bridge which helps to minimize the possibility of a short circuit.

The 7603-551 terminal blocks have a maximum rated voltage of 600 volts, and a current rating of up to 50 Amps. The terminal blocks feature a reverse entry screw connection which helps to minimize the need for extensive wiring. The terminal blocks also feature a high temperature resistance rating of up to 120°C. Additionally, the terminal blocks are designed to be robust and durable, providing an economical and reliable connection point.

The 7603-551 terminal blocks also provide a safe and reliable protection system for electrical wiring, making them ideal for use in industrial and harsh environment applications. The terminal blocks are designed to meet the stringent requirements of European Standards EN60998-2-5 and EN60359, making them suitable for use in a wide variety of industrial applications.

In summary, the 7603-551 terminal interlocking barrier blocks provide a dependable and space-saving solution for the termination, distribution and protection of electrical wiring systems in a wide variety of industrial environment applications. The terminal blocks feature a patented interlocking design and an integral strain relief feature, providing a safe and reliable connection point for both screw and plug-in contacts. Additionally, the terminal blocks feature a maximum rated voltage of 600 volts and a current rating of up to 50 Amps, making them suitable for a wide variety of applications.

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