1991118

Mounting Type:	Through Hole
Screw Thread:	--
Torque - Screw:	--
Screw Material - Plating:	--
Clamp Material - Plating:	--
Contact Material - Plating:	--
Housing Material:	Polyamide (PA), Nylon
Operating Temperature:	--
Color:	Green
Features:	--
Wire Termination:	Screwless - Spring Cage, Tension Clamp
Series:	COMBICON SPT
Wire Gauge:	12-24 AWG
Voltage:	300V
Current:	20A
Mating Orientation:	Vertical with Board
Pitch:	0.197" (5.00mm)
Positions Per Level:	4
Number of Levels:	1
Part Status:	Active
Packaging:	Bulk

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Terminal blocks, or circuit terminal boards, are short lengths of electrical wire that connect two points in a circuit and allow for circuits to “talk” to one another. This type of connection is usually used in industrial systems, equipment power systems and in electrical equipment, notably in manufacturing plants or industries. Depending on what type of terminal block is used, this connection allows for power to enter and exit a circuit or protect the integrity of the circuit by providing a connection and disconnection feature. The primary purpose of terminal blocks is to provide a flexible, reliable and cost-effective means of forming a wire-to-board connection in applications where space may be constrained.Terminal blocks are commonly used in many areas of industry, including telecommunications, data centers, industrial automation, machine control, and instrumentation control. They are also used to facilitate wiring in safety systems, test board interconnects, circuit board protection, and audio/visual signal distribution. They come in many forms, from those with solderless connections to those which require soldering. Each type of terminal block offers different benefits and can be used in different applications.Types of terminal blocks vary by size, pin accuracy, shape, and conductor type. Smaller, mini-style terminal blocks are usually used in wire-to-board and wire-to-wire connections, while large-scale terminal blocks are more appropriate for use in high-voltage applications. Terminal blocks are available with common pin configurations, such as 2P, 3P, 4P, and 5P (2-position, 3-position, 4-position, and 5-position). The number of pins in a terminal block usually corresponds with the number of conductors in the application. The shape of the pins and terminals can also vary, however most are shaped like a blade, with the blades being arranged according to their application. Common conductor types for use with terminal blocks include copper foil, aluminium foil, and bare wire.The working principle of terminal blocks is the same regardless of size or configuration – the connection is made by two or more wire strands, which are then inserted into the slots or blades of the terminal block. The connection is held in place by a screw or clamp, causing the wire strands to be secured in place. Terminal blocks are also equipped with optional auxiliary contacts (Auxiliary contacts) which allow an additional current path for each pair of connected wires. The screw or clamp also provides a strain relief, which serves to keep the wire strands in place and prevent them from being yanked or pulled from the terminal block.Modern terminal blocks are also designed with features that help to make installation and repair easier and more efficient. Many of the newer styles feature strip-style technology, which makes it easier to insert the wires into the connection slots without having to pre-strip excess insulation or trim and fiddle with the wires. Other features such as insulation displacement contacts (IDCs) allow for faster and easier connection of wire strands without the need for additional wiring tools or the need to strip the wires. To promote efficient wiring practices, many modern terminal blocks are also designed with "bridge" or polarity slots which indicate the presence and/or absence of voltage before the circuit can be activated.Terminal blocks are a fast, reliable and cost-effective way of creating a wire-to-board or wire-to-wire connection. Some of the benefits of using terminal blocks include ease of installation, a compact design that fits in even the most confined spaces, a secure connection and the ability to quickly and easily disconnect power from a circuit. By using the latest advancements in technology, terminal blocks are now even better suited for a variety of applications, from small indutrial equipment to large-scale equipment or complex systems.No matter the application, terminal blocks are a dependable solution for providing a secure and protected connection. They are widely recognized as the most effective way to ensure that current flows from point A to point B, and their versatility makes them suitable for a variety of applications and industries. From broad industry standard mini-blocks to custom designed solutions, terminal blocks are a time-tested and reliable solution for making perfect connections every time.

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