1755868

Voltage - UL:	300V
Insulation Height:	0.484" (12.30mm)
Contact Tail Length:	--
Housing Material:	Polyamide (PA), Nylon
Contact Material:	--
Wire Strip Length:	6mm
Torque - Screw:	0.35-0.4 Nm (3.1-3.5 Lb-In)
Screw Size:	--
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Features:	--
Contact Mating Finish:	Tin
Operating Temperature:	--
Color:	Green
Wire Gauge or Range - mm²:	0.2-1.5mm²
Wire Gauge or Range - AWG:	14-28 AWG
Series:	COMBICON PT
Current - UL:	10A
Voltage - IEC:	630V
Current - IEC:	10A
Mounting Type:	Free Hanging (In-Line)
Termination Style:	Screw - Clamping Yoke (Tension Sleeve)
Plug Wire Entry:	90°
Header Orientation:	--
Pitch:	0.197" (5.00mm)
Number of Levels:	1
Positions Per Level:	15
Number of Positions:	15
Type:	Plug for Unshrouded Header
Part Status:	Active
Packaging:	Bulk

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Terminal blocks, headers, plugs and sockets are essential components in electrical wiring and cabling, providing connected pathways between a variety of household and commercial electronics. Used to efficiently power and connect residential electric circuits, industrial machines, telecommunications infrastructure and data centers, they are found in any number of applications across a wide array of industries and systems. This article outlines the different types of terminal blocks, headers, plugs and sockets, along with their applications and working principle.

Terminal Blocks

Terminal blocks are a type of wiring component that connect two or more wires together by secure metalled contact and through barriers to prevent short circuits. They are often seen in power supplies, power pumps, transformers, motors, generators and UPS systems. Terminal blocks are typically divided into three categories - plug-in, screw-clamp, and cage-clamp. Each type has its own advantages and can be used in certain applications.

• Plug-in Terminal Blocks: These are designed with open, universal bottoms, making them easier to wire. They are often used for higher voltage applications such as motors, UPS systems, and transformers.
• Screw-clamp Terminal Blocks: These are screwed down on the cables using bolts and nuts, creating a more secure connection. They are often used in low voltage applications such as security, lighting, heating, and ventilation.
• Cage-clamp Terminal Blocks: These are designed to allow for quick and easy connection of wires without having to use tools. They are ideal for small, low voltage wiring applications such as in radio equipment and computer networking.

The actual working principle of terminal blocks is to mechanically join two or more conductive paths. The electrical connection is achieved by securing the wires inside a closed metallic clip or cage. The contact is then made through two metal pins, which contact the wires securely and create a conductive connection.

Headers, Plugs and Sockets

Headers, plugs and sockets are components used to connect and direct signals from one location to another. They are commonly found in a wide variety of equipment including computers, electronic cards, televisions, and telecommunications devices. The main purpose of headers, plugs and sockets is to make a secure connection between two locations. They are typically connected together by inserting the type of connector into the socket on the other end.

• Headers: A header is a type of connector that typically consists of one or more pins which are usually arranged in some type of arrangement (e.g. 5 by 5). They are typically used to connect two different pieces of equipment and allow for the flow of information between them.
• Plugs: A plug is typically a cylindrical or square shaped connector which is inserted into the socket. It tends to be used as part of a larger system such as in telecommunications devices.
• Sockets: A socket is the mating part of a plug and header set-up and is the part which is connected or plugged-into the other device. It is normally included in the larger piece of equipment and is required to complete the connection between the two components.

The working principle of plugs and sockets is simple. A plug is inserted into the socket, and the electrical connection is created between the two devices by the contact of the pins on the plug with the contacts on the socket. The electrical connection is then completed when the plug is inserted fully and the contacts of both devices are made.

Conclusion

In conclusion, terminal blocks, headers, plugs and sockets are essential components used to connect and direct signals from one point to another. Various types of these components are available, each with its own features and benefits. Their actual working principle is relatively simple, as they achieve a connection between two locations by creating contact between the pins of a plug and those in the socket. As a result, they are widely used in a variety of applications across a range of industries.

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