A-TB350-VK21

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Terminal blocks, headers, plugs, and sockets are essential components in almost all kinds of electronic systems. They are designed primarily for connecting both electrical and electronic circuitry for protection, controlling, and monitoring. The A-TB350-VK21 terminal block is a type of terminal block that is designed for use in general-purpose applications such as control, lighting, instrumentation, and HVAC. It is a two-level block with a pitch of 5mm, dielectric strength of 2000V, and insulation resistance of 100MΩ.

The A-TB350-VK21 measure 12.7mm in width and features snap-on mounting to DIN rail or surface mount. It comes with an insulation material of phenolic and offers 0.5 to 2.5 mm² cable entry capacity. This terminal block is equipped with two slots and an integral screw system that combine to form a reliable closed system. It features color coded terminal screws, easy connection to conductor blocks, and an easily identifiable “on/off” contact symbol for better recognition.

In terms of the working principle, the A-TB350-VK21 is a two-level terminal block that works by connecting one of the two levels with two processes of connecting the other. This means that when you insert it into the power circuit, it will be able to turn the electrical current on and off from two places. The two levels act as a bridge between the electrical source and the destination and will not allow electricity to move between them unless there is a live connection.

This terminal block is designed to have two distinct functions. The first function is to produce an isolated terminal, which is used to protect the user from electric shock by creating a barrier between the user and the high-voltage power source. The second function is to provide an electrical connection, so that the user can control the current flow. The two levels act as a barrier that prevents the electricity from traveling beyond the two points of contact.

The A-TB350-VK21 is mainly used in industrial control, lighting, instrumentation, and HVAC applications. It is highly reliable and features a secure connection between the two levels. The color coded terminal screws make it easy to identify the connection points, while the integral screw system provides a reliable closed system. This terminal block offers easy installation and long-term durability and is perfect for a wide range of applications.

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