2-1546122-5

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Terminal blocks provide a fast and safe connection between conductors on an electrical apparatus, and between the electrical apparatus and the wiring system. Obsolete standards were replaced in the 1980s by 2-1546122-5, a type-approval system developed for the European market by the European Standardisation Organisation Cenelec. 2-1546122-5 terminal blocks have a wide range of applications, from industrial control automation to medical and diagnostic equipment.

Application field

2-1546122-5 terminal blocks are suitable for use in hazardous areas as they are designed to provide reliable safety of non-professional personnel where environmental conditions may be harsh. In addition, they offer a cost-effective solution for making connections between control, signalling, power, process control systems and equipment. This type of terminal block provides an effective way of connecting up to 30A current for power distribution. Furthermore, their low voltage rating, between 0.5A and 250V, make them suitable for light and medium loads.

They are widely used in industrial automation, lighting, medical applications and in computer and instrumentation fields. In addition, they are suitable for use in few standard commercial applications such as water installations, pumps, motor controllers and automated sliding door controls.

Working principle

2-1546122-5 terminals are designed with a two-part construction: the main body and a separable modular part. The main body is composed of a base equipped with clips or prongs that fit into corresponding slots or notches in the modular part. The two main components form a unified, dismountable assembly. There are four main parts in a terminal block: a connection terminal, a contact block, a supporting base and an insulation cover.

Each two-part assembly has a pre-assembled insulation cover that provides a degree of protection from electric shock when touched. Furthermore, the connection terminal and contact block are designed to provide reliable electrical and mechanical interconnection (an electrical switch) between two conductors. The contact blocks provide electrical continuity, while the supporting base provides mechanical support for the contact block.

The contact blocks are designed to securely clasp the conductor\'s insulation to the contact block, and a friction flange holds the terminal block firmly in place. The terminal blocks feature an assembly and connection system that make them adjustable for different cable diameters. They can also be mounted quickly and easily without the need for special tools or hardware.

Terminal blocks also have multiple safety features, from the insulation cover to built-in contacts. The insulation cover prevents accidental contact with live parts, while the contact blocks are designed to ensure that when the terminal block is closed, all electric contacts are connected. The terminal blocks also offer a reliable connection even in hazardous areas, as they have multiple safety features designed to protect against electric shock.

2-1546122-5 terminal blocks offer a quick and easy solution for power distribution applications in the industrial and commercial realms, and their many safety features make them an ideal choice for applications in hazardous areas where non-professional personnel may be present.

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