YK4452803000G

Top Termination:	Screws with Captive Plate
Material Flammability Rating:	UL94 V-0
Material - Insulation:	Thermoplastic
Operating Temperature:	-40°C ~ 115°C
Mounting Type:	Chassis, Panel, Right Angle
Terminal Screw Finish:	Zinc
Terminal Screw Material:	Steel
Color:	Black
Features:	--
Barrier Type:	3 Wall (Tri)
Bottom Termination:	Solder Tab
Series:	YK445
Wire Gauge:	10-22 AWG
Voltage Rating:	300V
Current Rating:	30A
Number of Rows:	1
Pitch:	0.374" (9.50mm)
Number of Wire Entries:	28
Number of Circuits:	28
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

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Introduction

Terminal blocks, also known as barrier strips or barrier blocks, are a type of electrical component widely used in industrial and commercial applications. YK4452803000G (hereinafter referred to as YK) is a terminal block made by YOUKE, a leading manufacturer of electrical components. This article will discuss YK\'s application field and working principle.

Application Field of YK

YK is a terminal block with a current rating of 20A, suitable for indoor and outdoor applications. It is commonly used for branch circuit wiring, power and control installations, and in control cabinets, junction boxes, motor starters, and panelboards. YK offers a wide range of termination options, including both screw terminals and plug-in terminals. The screw terminals use 3mm screws for fastening and are suitable for 0.2 to 1.5sqmm wire cross sections. The plug-in terminals offer a choice of two contact sizes and five terminal connections, making them suitable for a wide range of wiring configurations. YK features a unique one-piece base and cover design that eliminates base and cover installation. This design also reduces cost and time associated with assembly. YK also offers two sizes, the standard size and the mini size. The standard size is manufactured from flame-retardant UL94-V0 rated material. YK is designed for easy installation and maintenance. It comes with built-in strain reliefs for secure cable connections, and it has a compact design that allows it to fit into tight spaces. The terminals are clearly marked for easy identification and selection.

Working Principle of YK

YK is a terminal block that utilizes a barrier strip and wire connectors to make electrical connections. It consists of a base plate made of a flame-retardant UL94-V0 rated material, two mounting points, and a cover. The first step in connecting to the YK is to select an appropriate type of wire connector. The type of connector should be chosen based on the type of wire being used (solid or stranded), the wire size, and the application. Once the wire connector is selected, it is inserted into the appropriate terminal post on the YK. The wires are then inserted into the connector and secured with the released screws. Next, the cover is slipped over the base plate and secured with the installed screws. The screws are tightened until they are just snug, but not over-tightened. Once the cover is secured, the wires are connected to the YK and the installation is complete.

Conclusion

YK is a reliable and versatile terminal block for use in industrial and commercial applications. It features a unique one-piece base and cover design that eliminates base and cover installation, as well as strain reliefs for secure cable connections. It is also easy to install and maintain. Finally, it offers a wide range of termination options, both screw terminals and plug-in terminals.

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