1917118

Voltage - UL:	300V
Insulation Height:	0.610" (15.49mm)
Contact Tail Length:	--
Housing Material:	Polyamide (PA), Nylon
Contact Material:	--
Wire Strip Length:	7mm
Torque - Screw:	0.5-0.6 Nm (4.4-5.3 Lb-In)
Screw Size:	M3
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Features:	Retention Latches (Non-Wire Side)
Contact Mating Finish:	Tin
Operating Temperature:	--
Color:	Black
Wire Gauge or Range - mm²:	0.2-2.5mm²
Wire Gauge or Range - AWG:	12-30 AWG
Series:	COMBICON SMSTB
Current - UL:	15A
Voltage - IEC:	630V
Current - IEC:	12A
Mounting Type:	Free Hanging (In-Line)
Termination Style:	Screw - Clamping Yoke (Tension Sleeve)
Plug Wire Entry:	225°
Header Orientation:	--
Pitch:	0.200" (5.08mm)
Number of Levels:	1
Positions Per Level:	18
Number of Positions:	18
Type:	Plug, Female Sockets
Part Status:	Active
Packaging:	Bulk

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1.

Terminal Blocks - Headers, Plugs and Sockets

Terminal blocks, also known as headers, plugs, and sockets, have been around since the early 1900s. Over the years, they have evolved to become a much more efficient electrical connector which can be combined to create a variety of different electrical connections. Some of the major applications of terminal blocks include: industrial, automotive, medical, consumer appliance, aerospace, and data communication equipment.

Terminal Block Design & Structure

A terminal block consists of two components; the insulated header and the contact-bearing socket. The insulated header is generally made of a plastic material that can resist heat, electricity, solvents, and abrasion. The contacts can be made of either brass or copper, with or without insulation. The contacts must be able to withstand high temperatures and the pressure of the connection. Terminal blocks come in a variety of sizes and shapes depending on the application; they also come in a wide variety of insulation colors allowing for easy identification.The sockets are press-fit onto the header for a secure and reliable connection. The terminals are in various sizes allowing for different wire sizes and gauge ranges to be connected to the socket. In some cases, terminals can even be combined to allow for multiple wire sizes to be connected.

1917118 Application Field and Working Principle

Terminal blocks are a popular choice in many industrial applications due to their simple design, durability, and ability to handle high current. Terminal blocks are typically used for motor starters, power supplies, switchboards, and all sorts of power applications that require sturdy and reliable connections. Their durability also means that they can withstand the roughest, dirtiest and most extreme environments.The working principle of a terminal block is simple. Electrical power is supplied to the header via the input wires and the header sends the power via the socket to the output wires or components. Insulated headers and contacts ensure that power is transferred with minimal voltage drop and noise. The headers also allow for a variety of different connection types, allowing for multiple wiring configurations.

Type of Terminal Blocks

Terminal blocks come in a variety of different types and styles to fit any electrical application. The most common types are single-position blocks, multi-position blocks, and power distribution blocks.Single-position blocks are the most basic types of terminal blocks and are typically used in applications where only one wire needs to be connected.Multi-position blocks are larger than single-position blocks and can accommodate more than one wire, making them ideal for applications where several wires need to be connected to other components.Power distribution blocks are larger than other types of terminal blocks and are designed to distribute electricity to multiple devices. They are typically used in large-scale power distribution systems, such as in a factory.

Conclusion

Terminal blocks are essential components for a variety of industrial, automotive, medical, consumer appliance, aerospace, and data communication equipment. Terminal blocks are popular due to their simple design, durability and ability to withstand harsh environments. They come in a variety of sizes and shapes to fit different electrical applications. With their ability to provide reliable electrical connections in extreme conditions, terminal blocks will likely continue to be an essential component for many industries.

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