A-TB500-TR23H

Mounting Type:	Through Hole
Screw Thread:	M2.5
Torque - Screw:	0.27 Nm (2.4 Lb-In)
Screw Material - Plating:	Steel - Zinc Plated
Clamp Material - Plating:	Steel - Zinc Plated
Contact Material - Plating:	Brass - Tin Plated
Housing Material:	Thermoplastic
Operating Temperature:	-40°C ~ 115°C
Color:	Green
Features:	Interlocking (Side)
Wire Termination:	Screw - Pressure Clip
Series:	A-TB500
Wire Gauge:	12-22 AWG
Voltage:	300V
Current:	20A
Mating Orientation:	Horizontal with Board
Pitch:	0.197" (5.00mm)
Positions Per Level:	23
Number of Levels:	1
Part Status:	Active
Packaging:	Bulk

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Introduction

Terminal blocks are electrical components for connecting two or more conductive wires together. Commonly referred to as “wire to board” or “board to board” connectors, terminal blocks are used in a multitude of applications ranging from test and measurement, aerospace, medical, and automotive. One such type of terminal block is A-TB500-TR23H, a highest grade terminal block available in the market. This article explores the application field and working principle of A-TB500-TR23H terminal blocks.

Application Field of A-TB500-TR23H

Terminal blocks are the most prevalent form of electrically connecting wires to electrical enclosures, and serve the purpose of providing a consistent and secure connection to a wire or cable for up to 40A/400V. Such electrical enclosures could be anything from industrial automation, robotics, instrumentation, and other control devices.A-TB500-TR23H terminal blocks are specifically used for the highest grade wire-to-board and board-to-board connections. They offer improved reliability, robustness, and performance, allowing for the secure connection of large amounts of power over a wide range of temperatures. They are best suited for applications where heat dissipation must be lower than that of the regular terminal blocks, such as in the automotive, medical, and aerospace fields.A-TB500-TR23H terminal blocks are not only limited to being used in above-mentioned applications, but can also be used in other applications such as office and home automation, water and air treatment systems, direct current (DC) motor control, LED lighting, information technology systems, and food processing equipment.

Working Principle of A-TB500-TR23H

A-TB500-TR23H terminal blocks use a simple but effective design to achieve reliable connections. The terminal block consists of two conductors: one for the input voltage source and the other to connect to the load. The copper conductor is housed within an insulating body and is protected by a thermally-splittable coating.When the wire is inserted into the terminal block, the two layers of the thermally-splittable coating separate, making contact with the copper conductor. This contact safetly connects the wire to the input source, forming an electrical connection.In addition, the thermally-splittable coating helps to dissipate heat, allowing higher currents to be connected for longer periods without having to worry about thermal runaway. This improves the safety and reliability of the terminal block, as well as reduces maintenance costs.

Conclusion

A-TB500-TR23H terminal blocks are the highest grade wire-to-board and board-to-board connection system available in the market. They are used in a variety of applications and are best-suited for those where heat dissipation must be lower than that of the regular terminal blocks. Working on the principle of contact through a thermally-splittable coating, the terminal block offers improved reliability, robustness, and performance, making them an ideal connection solution for industrial, automotive, medical, and aerospace applications.

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