0387217205

Top Termination:	Screws with Captive Plate
Material Flammability Rating:	UL94 V-0
Material - Insulation:	Thermoplastic
Operating Temperature:	-40°C ~ 100°C
Mounting Type:	Chassis, Panel
Terminal Screw Finish:	Zinc, Trivalent
Terminal Screw Material:	Steel
Color:	Black
Features:	Flange
Barrier Type:	2 Wall (Dual)
Bottom Termination:	Quick Connect (0.187"), Insulated
Series:	Beau™ 38721
Wire Gauge:	12-22 AWG
Voltage Rating:	300V
Current Rating:	20A
Number of Rows:	1
Pitch:	0.375" (9.53mm)
Number of Wire Entries:	5
Number of Circuits:	5
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

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Terminal blocks, also known as barrier blocks, are a type of electrical connector that is used to terminate a wire or connecting cable. These blocks provide an efficient way to connect and disconnect electrical circuits without producing shorts or arcing. They are typically used in applications where multiple wires or cables must be quickly interconnected with one another.Terminal blocks are available in a variety of configurations, including single- or multi-pole designs, any of which can be equipped with a range of built-in features such as integrated test points, grounding points, signal filtering, and surge protection. Additionally, they can be stacked or mounted side-by-side to create a larger or more intricate connection panel.Terminal blocks are used in a wide variety of applications, including industrial automation, process control, and telecommunications systems. They are also used in consumer applications such as motorized gates and outdoor lighting systems. Terminal blocks can also be used in a number of safety-critical applications, providing a means of isolating two circuits from one another to prevent arcing and contact damage. Similarly, terminal blocks can be used to provide power to multiple heaters in a single system while simultaneously protecting them against short-circuits and overcurrents.The working principle behind terminal blocks is that the connections between the wires are made through the terminal block itself. This is achieved by inserting the wire or cable into the terminal block, which is then held in place by two metal contact screws. When the contact screws are tightened, they compress the wire onto a brass connector, creating an electrical connection. The connection is then insulated by a moldable plastic body which is specifically designed to retain its shape and resist the effects of mechanical vibrations, electrical overstressing, and potentially corrosive chemicals. For added safety, terminal blocks can be outfitted with built-in fuse holders or surge suppressors. Additionally, they can be configured with a “break-before-make” feature which ensures that the connection is broken before a new one is made, thus eliminating the possibility of unintentional shorts.Terminal blocks, like other types of electrical connectors, are rated according to several factors, including the maximum voltage and amperage that they can safely handle. It is important to select a terminal block that is rated for at least the specified voltage and amperage of the application in order to ensure reliability and safety.In summary, terminal blocks, or barrier blocks, provide a cost-effective means of quickly and accurately connecting electrical circuits. They are available in many different configurations and can be used in a variety of industrial, consumer, and safety-critical applications. Their simple yet effective working principle ensures quick and reliable connections with minimal effort.

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Part Number	Manufacturer	Price	Quantity	Description