325128-04-0

Series:	32500
Packaging:	Bulk
Part Status:	Active
Terminal Block Type:	Barrier Block
Number of Circuits:	4
Number of Wire Entries:	4
Pitch:	0.325" (8.26mm)
Number of Rows:	1
Current Rating:	15A
Voltage Rating:	300V
Wire Gauge:	14-22 AWG
Top Termination:	Screws with Captive Plate
Bottom Termination:	Wire Wrap
Barrier Type:	2 Wall (Dual)
Features:	--
Color:	--
Terminal Screw Material:	Steel
Terminal Screw Finish:	--
Mounting Type:	Through Hole
Operating Temperature:	105°C
Material - Insulation:	Polypropylene (PP)
Material Flammability Rating:	UL94 V-0

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Terminal Blocks - Barrier Blocks 325128-04-0, also known as barrier terminal blocks, has been widely used in the field of industrial control and generally serves as a connector in both traditional controls and sensor systems. These terminal blocks are most commonly used in power, signal, and control configurations of industrial automation.The general purpose of a barrier terminal block is to electrically and mechanically connect two or more wires, generally by creating a mechanical “barrier” that both separates and encloses the wires. This provides protection against shocks, short circuits, and other electrical issues. In addition, terminal blocks are designed to be mounted on a panel or chassis to make them part of an existing system. This is commonly done with mounting screws or clips.There are four main pieces of the instrumentation terminal block: a terminal body, a mounting screw, a contact block, and a cover plate. The terminal body is the main part of the terminal block and typically consists of an insulating panel and contact blocks. The mounting screw secures the terminal block to a panel or chassis, while the contact blocks provide an electrical connection between a single wire or a bundle of wires. Finally, the cover plate is used to protect against accidental contact or shock from the wires connected to the terminal.Terminal blocks are designed to be used with a wide variety of signal types, from data signals to control voltages. Some are specifically designed for low-signal applications, such as those that involve data transmission or other low-voltage operations. Others are designed for high voltage and current applications, such as those that involve power or control.The primary benefit of using terminal blocks is their ability to save space. Connecting two or more wires can be done in a single terminal block unit, rather than requiring multiple connection points. This allows for a more compact overall system design and allows for more efficient use of space. Additionally, they also provide protection from accidental contact, shock, and short circuits, making them safer and more reliable than loose connections.Terminal blocks also have certain design differences that make them suitable for certain applications. For example, many terminal blocks are designed to accept a wide range of gauges and terminals, making them ideal for applications that require variable connections. This versatility makes them well-suited for a variety of different applications. Furthermore, some terminal blocks can accept larger-diameter wires and are designed to resist high currents and voltages.When it comes to working principles, the basic process of a terminal block is fairly straightforward. Once a wire has been terminated into the block, all that needs to be done is to secure the block’s cover plate, which will then ensure that no accidental contact or shock is made to the exposed wires. Additionally, the terminal block is designed so that it can accommodate a wide variety of wires and gauge sizes. This makes for a more efficient and flexible connector system.Overall, the benefits of using terminal blocks are well worth the cost and the effort. They are extremely versatile and reliable, as well as providing a safe and efficient medium for connecting two or more wires in a space-saving manner. Therefore, terminal blocks are often the preferable choice when connecting a wide variety of signals, especially in industrial control and automation applications.

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