5430742

Voltage - UL:	300V
Insulation Height:	0.291" (7.40mm)
Contact Tail Length:	0.134" (3.40mm)
Housing Material:	Polyamide (PA), Nylon
Contact Material:	--
Wire Strip Length:	--
Torque - Screw:	--
Screw Size:	--
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Features:	Mating Flange
Contact Mating Finish:	Tin
Operating Temperature:	--
Color:	Gray
Wire Gauge or Range - mm²:	--
Wire Gauge or Range - AWG:	--
Series:	BCH
Current - UL:	8A
Voltage - IEC:	320V
Current - IEC:	8A
Mounting Type:	Through Hole
Termination Style:	Solder
Plug Wire Entry:	--
Header Orientation:	90°, Right Angle
Pitch:	0.138" (3.50mm)
Number of Levels:	1
Positions Per Level:	15
Number of Positions:	15
Type:	Header, Male Pins, Shrouded (4 Side)
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks - Headers, Plugs and Sockets

Terminal blocks with part numbers such as 5430742, variations of a family of terminal blocks, are products designed to facilitate and secure the connections of electrical power, control, signal, data and other electrical/electronic elements, circuits and systems in industrial, commercial and residential applications. They are used with various types of cables such as those for power, control, signal, data, etc.These terminal block devices are generally known by their generic names such as headers, plugs and sockets, wire-to-board connection, plug-in terminals, receptacles, wire-to-wire connectors, screw less terminals, hog ring terminals, etc. Depending on the application field and technology used, these devices can be produced in a wide range of designs, sizes, materials, current ratings, etc.

Working Principle of Terminal Blocks

Typically, a terminal block consists of two metal parts, a housing, a bus bar or pin and a contact finger, all isolated from each other by insulation material. To make a connection, wires are introduced into the main body of the terminal block, usually through simple opening or slots. The contact fingers become conductive when in contact with the wire. The two parts of the terminal block are then pressed together to complete the connection.In general, the way of connecting wires to a terminal block is done mechanically and is assisted by other elements such as gripping elements, spring mechanisms, etc., to create a better connection. Commonly, the contact fingers are compression deformable where the finger is crimped around the wire. Often, this is done via a screw mechanism, and the terminal block is designed to avoid damages on the cable\'s insulation.The terminal block design may also include isolating elements to prevent the entry of dust, water or gas. Also, the use of specific materials can make the terminal block dust, water or gas resistive. Along with a good mechanical connection, the terminal block should meet the requirements of a nondestructive connection and must be able to support and withstand the tensions and shocks to which industrial equipment is subjected.Depending on the series, there can be other elements such as labeling and circuitry elements, quick-locking mechanisms, locking systems for hazardous areas, etc.

Application Fields of Terminal Blocks

Terminal blocks with part number 5430742 and of the same family, are commonly used in industrial applications such as control panels, electric motor drives, lighting systems, signaling equipment, PLCs, etc. In commercial and residential applications, these devices are used for connection of electrical power, data and audio/video signals. Terminal blocks of various designs and materials are available to meet the needs of a particular application.Terminal block connectors are also used to secure and organize a wide variety of cables and wires in rack and bench-top equipment. In this application, the terminal blocks of choice are typically robust with the ability to handle high current.The connectors must meet the current and voltage ratings, as well as be able to sustain high temperature.The use of terminal blocks can significantly reduce the wiring time and cost of the connection. It also helps in making the connections safe by avoiding connection errors.Finally, the terminal blocks provide high mobility for powering and arranging the cables used in connect different pieces of equipment. It can be used to connect multiple power sources and is easily adaptable to changing system needs. It also provides fault protection by limiting the damage to the equipment and reducing fire risks.

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