1522-3/4ST

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Terminal Blocks - Barrier Blocks

Terminal blocks are electrical connectors used for connecting wires together. They offer a variety of features based on their type, such as protection against accidental contact, strain relief, and current carrying capacity. One of the most common and essential types of terminal blocks is barrier blocks.

Barrier blocks are typically U- or T-shaped, composed of a base and two terminal banks. Each terminal bank has numerous terminals arranged parallel to each other in which the wires can be connected. Usually the wires are fed into the base at the top of the block, and the terminals are arranged along the sides. The base also typically contains a terminal strip in which the wires can be screwed or soldered to.

One of the most common types of barrier block is the 1522-3/4ST. This type of terminal block is designed to be utilized in control enclosures and hazardous areas. The block is constructed of nylon, with UL94V-2 flammability rating, and is intended for use in applications requiring a current carrying capacity of up to 30 amperes. It is available in different colors depending on the current range required, and is capable of mounting onto various mounting rails, plates, and other suitable enclosures.

The working principle of the 1522-3/4ST is simple yet reliable. In order to set up the block, the wires are inserted into the top of the block and securely held by a clamp. The wires are then connected to the corresponding terminals in the terminal banks on the sides. This ensures that a secure connection is made between the wires and the terminals. The data is then transmitted through the wiring to the application or device concerned.

This type of terminal block also provides additional features such as electrical insulation and strain relief, and features an ergonomic and lockable design to ensure a tight connection at all times. Additionally, they are highly robust in terms of corrosion resistance, temperature resistance, vibration resistance, and chemical resistance. Furthermore, they are also UL, CSA, and VDE compliant.

The 1522-3/4ST terminal block is a versatile and reliable choice for applications requiring a secure and robust connection. It is an ideal choice for applications that need to be installed in hazardous environments and require high current carrying capacity. Furthermore, due to its compact size, it can be easily mounted onto a variety of different mounting rails and plates. These features make it a perfect choice for a wide range of applications in the industrial, commercial, and residential sectors.

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