In today's era of increasingly stringent industrial automation requirements, the use of terminal blocks and power distribution blocks are on the rise. Terminal blocks and power distribution blocks, vital accessories for electrical connections, come in a variety of types. Presently, apart from their prevalent use in PCB Terminal Blocks, they find applications in diverse sectors like the elevator industry, rail transit, automated machinery, and building wiring. But what are these commonly used terminal blocks, and what sets each type apart? Below, I'll provide an overview of the types and distinctive features of commonly used terminal blocks to assist you in making well-informed choices for your specific needs.

Introduction to Commonly Used Terminal Blocks Types and Power Distribution Blocks and Their Characteristics

Plug-in Terminal Blocks:

Plug-in Terminal Blocks consist of two parts: a plug-in component and a pull-out component. One part securely grips the wire before being plugged into the other part, which is welded onto the PCB board. The connection's mechanical design and anti-vibration features ensure a durable and reliable airtight connection. Optional mounting lugs protect the tabs, ensuring proper alignment. These Terminal Blocks can be inserted horizontally, vertically, or tilted on the printed circuit board, offering flexibility according to customer requirements. They are available in both metric and standard wire gauges, making them a highly popular choice in the market.

Barrier Terminal Blocks:

Barrier Terminal Blocks guarantee safe and reliable connections, especially in high current and high voltage environments.

Spring-Type Terminal Blocks:

Utilizing spring devices, these Terminal Blocks have found widespread use in various industries worldwide, including lighting, elevator controls, instrumentation, power supply, chemistry, and automotive power.

Track-Mounted Terminal Blocks:

These Terminal Blocks employ reliable threaded connections and electronic fault tolerance technology, making them ideal for power electronics, communications, electrical control, and power supply applications.

Track-Type Terminal Blocks:

These Terminal Blocks use wire crimping and a unique thread self-locking design, ensuring secure and safe wiring connections. They boast an elegant design and can be equipped with accessories like short-circuit pieces, marking strips, and baffles.

Through-Wall Terminal Blocks:

Through-wall Terminal Blocks utilize screw connection technology and high-quality, highly conductive metal materials for connectors. They are adaptable to various panel thicknesses and can be installed conveniently without the need for tools.

Insurance Terminal Blocks:

These Terminal Blocks feature modified nylon (PA66) insulation material and high-strength copper alloy screws, ensuring excellent electrical and mechanical properties. They offer connections with a 4mm² conductor voltage of 800V and a current of 41A.

Sliding Metal Switch Terminal Blocks:

Equipped with a sliding metal switch, these Terminal Blocks allow easy current adjustment through the crimping frame. They include test sockets for convenient connection testing and current measurement without interrupting operations. They are compatible with control circuits operating at a voltage of 660V and a current of 57A.

Significance of Terminal Block Models:

Terminal block models serve multiple purposes. They facilitate customers in finding specific models, streamline manufacturer and agent management, and save physical space and time that would otherwise be occupied by numerous physical terminal blocks.

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