1880494

Voltage - UL:	300V
Insulation Height:	0.339" (8.61mm)
Contact Tail Length:	0.165" (4.19mm)
Housing Material:	Polybutylene Terephthalate (PBT)
Contact Material:	--
Wire Strip Length:	--
Torque - Screw:	--
Screw Size:	--
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Features:	--
Contact Mating Finish:	Tin
Operating Temperature:	--
Color:	Green
Wire Gauge or Range - mm²:	--
Wire Gauge or Range - AWG:	--
Series:	COMBICON EMSTBA
Current - UL:	15A
Voltage - IEC:	400V
Current - IEC:	12A
Mounting Type:	Through Hole
Termination Style:	Press-Fit
Plug Wire Entry:	--
Header Orientation:	90°, Right Angle
Pitch:	0.200" (5.08mm)
Number of Levels:	1
Positions Per Level:	21
Number of Positions:	21
Type:	Header, Male Pins, Shrouded (4 Side)
Part Status:	Active
Packaging:	Bulk

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Introduction to Terminal Blocks - Headers, Plugs and Sockets

Terminal blocks are connectors used to join lines of electrical circuits. They are well suited to applications that require repeated connections and disconnections of power or control connections. They allow for simple, cost effective and reliable connections between electrical wires without the need for complex soldering or splicing. The terminal block is made up of three main elements – headers, plugs and sockets. Headers are the main part of the terminal block. They provide the common grounding point for all the wires to be connected and provide termination for the plugs and sockets. The plugs are the latching pieces which fit either side of the header and clip on and off to provide connections for the electrical and control wires. The sockets are the parts which are attached to the plugs and hold the connecting wires in place.

Types of Terminal Blocks

Terminal blocks come in many different shapes and sizes. They are typically made from copper, aluminum or brass, and are either insulated or non-insulated. The insulation may be plastic or rubber and it helps to keep the wires from touching each other. There are two main types of terminal blocks - power and control. Power terminal blocks are designed to carry high current and voltage while control blocks are designed for lower voltage and currents. The different types of terminal blocks are categorized based on their size and function. Single wire terminal blocks are used to connect large single core wires. Multi-wire terminal blocks are used to connect multiple power and control wires. Junction boxes are used to connect a larger number of wires than a single wire terminal block can. Plugs and sockets are also available and are often used for easier connection and disconnection.

1880494 Application Field and Working Principle

The 1880494 is an ST-type multi-wire terminal block. It is designed to keep electrical connections from being disconnected due to vibration or other external forces. It features durable plastic housing which is also flame retardant which makes it an ideal choice for industrial or commercial applications. The ST type terminal has two seperate terminal blocks which screw onto the main terminal block and the wires are connected in the same manner as a single wire terminal block.The 1880494 terminal block works by creating a secure connection between two or more wires. When the plug or the socket is inserted into the header of the terminal block, the locking clamp holds it in place and the electrical connection is made. The connection is made with an insulated conductive bar which is secured to the socket or plug. This ensures that the connection is secure and reliable, and prevents any wires from becoming disconnected.

Conclusion

Terminal blocks have been around for many years and are a useful and reliable way of connecting multiple wires in electrical and control circuits. They provide cost effective and reliable connections without the need for complex soldering or splicing. The 1880494 ST-type multi-wire terminal block is a durable and reliable connector which is suitable for a variety of industrial and commercial applications.

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