433210-26-0

Top Termination:	Screws
Material Flammability Rating:	UL94 V-0
Material - Insulation:	Polypropylene (PP)
Operating Temperature:	105°C
Mounting Type:	Chassis, Panel
Terminal Screw Finish:	Zinc
Terminal Screw Material:	Steel
Color:	--
Features:	--
Barrier Type:	2 Wall (Dual)
Bottom Termination:	Solder Turret, Insulated
Series:	43000
Wire Gauge:	12-22 AWG
Voltage Rating:	600V
Current Rating:	20A
Number of Rows:	1
Pitch:	0.438" (11.12mm)
Number of Wire Entries:	26
Number of Circuits:	26
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

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Terminal blocks, or terminal boards, are an electrical component used to connect wire-to-wire, wire-to-board, and board-to-board electrical circuits. They are available in a wide variety of sizes and capabilities to accommodate either low- or high-power applications, either common or specialized. Barrier blocks, known simply as barrier strips, are a form of terminal block used for higher power applications.Barrier blocks are similar in construction to a terminal block, but instead of having separate individual posts, the posts are connected by a continuous barrier. This detail overcomes the current limitation of a traditional terminal block when it is used for heavy current applications: over time, the terminal post’s top surface may become electrically compromised due to the large amount of heat. The continuous barrier protects the post from heat damage and any resulting electrical damage. Barrier blocks also feature a matching power strip, which is typically made from copper or bronze alloy and is designed to keep sign offs neat and maintain good electrical contact.The popular 433210-26-0 terminal block is a great example of a barrier block product. This terminal block features two rows of insulated posts. The posts are designed with a continuous barrier between them and are rated for 10A/300V. It also features a power strip made from a copper alloy with a tin plating, which conducts a wide variety of signals from low-voltage audio, digital, and control signals to higher rated ballast feeds and 3-phase signals. The terminal block also includes U, L and T connectors that allow for more complex circuits.The working principle of the 433210-26-0 barrier block is relatively simple. The power strip provides a conducting path between the the two rows of posts, while the tin-plating provides a layer of insulation against electric shock, and a gap between the posts ensures that the electrical current will stay within the designated circuit. The posts have screw clamps so they can be tightened for electrical safety. When a connection is completed, an arc may form between the two posts, creating a barrier that further enhances the safety of the circuit.Ultimately, terminal blocks and barrier blocks are a convenient and reliable way to connect wires, boards, and systems. The 433210-26-0 terminal block is one of the best examples of a barrier block that is suitable for a variety of applications. It is designed with a continuous barrier between the posts to reduce heat resistance and electrical damage, and its power strip is made of a durable copper alloy to help ensure a strong current. With its precision design, the 433210-26-0 terminal block ensures a safe and reliable connection for any electrical project.

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