A207403

Series:	A2000
Packaging:	Bulk
Part Status:	Active
Terminal Block Type:	Barrier Block
Number of Circuits:	3
Number of Wire Entries:	3
Pitch:	0.375" (9.53mm)
Number of Rows:	1
Current Rating:	30A
Voltage Rating:	300V
Wire Gauge:	12-22 AWG
Top Termination:	Screws
Bottom Termination:	PC Pin, Insulated
Barrier Type:	2 Wall (Dual)
Features:	--
Color:	Black
Terminal Screw Material:	Steel
Terminal Screw Finish:	Zinc
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 105°C
Material - Insulation:	Thermoplastic
Material Flammability Rating:	UL94 V-0

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Terminal Blocks - Barrier BlocksBarrier blocks, also known as terminal blocks, are specialized components used to make electrical connections in low-voltage devices such as computers, telecom equipment, and automation systems. They are integral components in the design of electronic equipment.A207403 barrier blocks are designed as high-performance, multi-functional and accessible components for systems with demanding signal integrity requirements. They offer excellent electromagnetic shielding and are capable of positioning their components for improved thermal performance. Applications A207403 barrier blocks are used in industrial automation systems, manufacturing, instrumentation and control, medical, and power electronics. They are also used in military and aerospace applications where good signal integrity is required.The number of applications is increasing day by day and there is no doubt that this product is becoming the premier choice when it comes to high-performance electronic connection solutions. It can be used for interfacing sensors and measuring instruments with large systems. It is also becoming popular among embedded designers because of its potential to handle high speeds.Wire and signal connections, as well as power distribution, functions can be accomplished through the use of A207403 barrier blocks. These units support an array of current ratings that range from 15A to 65A and in multiple pin lengths. In home automation applications, they can be used to simplify the wiring process of electronic devices, such as thermostats or lighting controls.Working PrincipleThis type of terminal blocks is built with a base and cover, where a wire is inserted and connected via a clamp mechanism. At the same time, a separate circuit condition is supported by the connector contact.The advantages of A207403 terminal blocks include a high degree of insulation thanks to a high dielectric constant, a solid mechanical connection that also ensures a robust design, an integrated guide for easy and secure wire insertion, and reliable contact wiping for maximum signal integrity. In terms of contact technology, A207403 terminal blocks feature either discrete or integral contacts. The contacts are made from durable metals that ensure a stable and reliable connection.The base is made up of a plastic body with an integrated pressure plate that applies the force or pressure that holds the wire in place. It also serves as an electromechanical actuator. Additionally, the integrated guide supports fast and easy wire insertion. A207403 terminal blocks also feature a special component referred to as a “contact carrier.” This component is designed to support high-speed signals, while the screw-less cooling system ensures improved thermal performance. To ensure a secure and reliable connection, the terminal block has additional features such as the socket/connector that is responsible for ensuring good wire crimping and 5mm/ 7.5mm blade width to help ensure compliant connection to other similar blocks. ConclusionA207403 terminal blocks are increasingly used for commercial and industrial applications as a reliable and convenient way to connect electrical components to one another. They are capable of supporting heavy currents, while also providing high levels of shielding and insulation.The terminal block is built with durable contact materials and includes features such as a pressure plate and contact carrier which are designed to ensure a strong and secure connection. Additionally, it is also designed to meet the demanding performance requirements of modern electronics systems.

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