431001-25-0

Series:	43000
Packaging:	Bulk
Part Status:	Active
Terminal Block Type:	Barrier Block
Number of Circuits:	25
Number of Wire Entries:	25
Pitch:	0.438" (11.12mm)
Number of Rows:	1
Current Rating:	20A
Voltage Rating:	600V
Wire Gauge:	12-22 AWG
Top Termination:	Screws
Bottom Termination:	Closed
Barrier Type:	2 Wall (Dual)
Features:	--
Color:	--
Terminal Screw Material:	--
Terminal Screw Finish:	--
Mounting Type:	Chassis, Panel
Operating Temperature:	105°C
Material - Insulation:	Polypropylene (PP)
Material Flammability Rating:	UL94 V-0

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Terminal Blocks - Barrier BlocksTerminal blocks, commonly referred to as barrier blocks, are one of the most common electrical wiring devices used in industrial and commercial electrical systems. Barrier blocks provide a convenient means of connecting multiple wires to a single electrical device.In the simplest terms, a terminal block is a terminal that connects two or more devices. It may be used to connect the power to a load, to distribute current between other components, or to split the current among other devices. They may also be referred to as terminal strips, mountable terminal blocks, and barrier blocks. Despite the various terms used to describe barrier blocks, they are all essentially constructed the same way.Barrier blocks typically consist of a base, a cover, and a conductor. The base, usually made out of plastic or aluminum, is generally the main structural component of the block. The cover, typically made of plastic, is placed over the base and the conductor. The conductor, usually made of copper or other conductive metal, is then gone through a punching or extrusion process to create channels on the base of the barrier block. This process allows multiple wires to be connected to the block in a safe, efficient manner.Barrier blocks come in various styles, sizes, and configurations. Common sizes can range from 2 to 32 terminals per strip. Different material, cover, and conductor configurations are available, depending on the application and the electrical requirements of the system. For example, some barrier blocks are available with 1/4” quick-connect wiring terminals that match the size of standard insulated copper wiring. Some are also available with thumbscrew terminals, which have a higher contact area and less contact resistance compared to quick-connect terminals.Since the connection points on barrier blocks are protected by a cover, they are ideal for use in applications where dirt, dust, and other debris may enter an otherwise open connection. Barrier blocks are also generally easier to install and can save time in the installation process, since the conductor does not need to be stripped and soldered prior to installation.When selecting a barrier block, it is important to consider the application and the electrical requirements of the system. It is also important to consider the number of connections and cables needed for the application. 431001-25-0 is a member of the Phoenix Contact terminal block family and offers a wide range of components and configurations to meet the needs of most applications.The 431001-25-0 offers a convenient, safe, and efficient means of connecting two or more wires to a common electrical device. It features a compact design and easy installation. The two 1/4” quick-connect wiring terminals and high contact area ensure a reliable connection with low contact resistance. The 431001-25-0 also offers a special built-in resistor that minimizes contact bounce, which is especially useful in applications that require rapid switching. The resistor also reduces noise due to inductive loads.Overall, the 431001-25-0 is an efficient, reliable, and easy-to-install terminal block that is ideal for use in most industrial and commercial applications. With a wide variety of materials and configurations, the 431001-25-0 can help streamline the wiring process and provide a reliable connection for multiple devices.

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