16280-2

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Terminal blocks are used in power distribution to ensure that there are safe and efficient connections between components. IEC 60715 standard 16280-2 for terminal blocks defines the types of terminal blocks and their application field, as well as their working principle.Terminal blocks can be divided into the following types according to their industrial application field.

Power Distribution Terminal Blocks

Power distribution terminal blocks are designed to be used in industrial power distribution systems for both AC and DC circuits. These terminal blocks are suitable for connecting components such as switches, machines, relays, and connectors. The maximum current rating of power distribution terminal blocks is usually up to 630A.The working principle of power distribution terminal blocks is to ensure safe and reliable connections between components. The terminal blocks feature pins containing a shape memory alloy to make a firm connection between components. This ensures that the connection is strong enough to prevent accidental disconnection. In addition, the terminal blocks also feature a multi-directional bridge system, which allows the terminals to be connected in different directions. This makes it easy to connect components without having to worry about the orientations of the terminals.

Control Terminal Blocks

Control terminal blocks are designed to be used in power distribution circuits which require a high degree of reliability. This type of terminal block is suitable for connecting components such as motors, sensors, and switches. The maximum current rating of control terminal blocks is usually up to 32A.The working principle of control terminal blocks is to ensure reliable connections between components. The terminal blocks feature a one-piece design which ensures a secure and reliable connection between components. This ensures that the connection is strong enough to prevent accidental disconnection. In addition, the terminal blocks also feature a two-directional bridge system, which allows the terminals to be connected in different directions. This makes it easy to connect components without having to worry about the orientations of the terminals.

Earth Terminal Blocks

Earth terminal blocks are designed to be used in power distribution circuits which require a good grounding system. This type of terminal block is suitable for connecting components such as motors, sensors, and switches to a common grounding point. The maximum current rating of earth terminal blocks is usually up to 50V.The working principle of earth terminal blocks is to ensure a safe and reliable connection between components and a common grounding point. The terminal blocks feature a double bridge system which ensures a good electrical connection between components and the grounding point. This ensures that the electrical current is properly discharged into the ground. In addition, the terminal blocks also feature a pressure-fit pin system which prevents accidental disconnection of the components.

Busbar Terminal Blocks

Busbar terminal blocks are designed to be used in power distribution systems which require a large number of connections between components. This type of terminal block is suitable for connecting components such as switches, machines, relays, and connectors. The maximum current rating of busbar terminal blocks is usually up to 1000A.The working principle of busbar terminal blocks is to ensure reliable connections between components. The terminal blocks feature a C-type design, which ensures a secure and reliable connection between components. This ensures that the connection is strong enough to prevent accidental disconnection. In addition, the terminal blocks also feature a multi-directional bridge system, which allows the terminals to be connected in different directions. This makes it easy to connect components without having to worry about the orientations of the terminals.

IEC 60715 standard 16280-2 defines the different types of terminal blocks and their application field as well as their working principle. Terminal blocks are used in a range of industrial power distribution systems to ensure safe and reliable connections between components. Different types of terminal blocks such as power distribution, control, earth, and busbar terminal blocks are designed for different power distribution applications and are rated for different current ratings up to 1000A. They all feature a multi-directional bridge system, which allows the terminals to be connected in different directions, as well as a shape memory alloy and/or a pressure-fit pin system to ensure a secure and reliable connection.

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