1758034

Voltage - UL:	300V
Insulation Height:	0.472" (12.00mm)
Contact Tail Length:	0.154" (3.90mm)
Housing Material:	Polyamide (PA), Nylon
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 MSTBV
Current - UL:	12A
Voltage - IEC:	400V
Current - IEC:	12A
Mounting Type:	Through Hole
Termination Style:	Solder
Plug Wire Entry:	--
Header Orientation:	Vertical
Pitch:	0.200" (5.08mm)
Number of Levels:	1
Positions Per Level:	4
Number of Positions:	4
Type:	Header, Male Pins, Shrouded (2 Side)
Part Status:	Active
Packaging:	Bulk

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Terminal blocks – headers, plugs and sockets or connector blocks – are basic components of an electrical system or device for distributing multiple electrical signals. This article will explore their application fields and working principles.Terminal blocks perform several crucial and widely employed functions in an electrical circuit. They provide a mechanical connection between circuits, and they allow signals to be transferred between circuits without being electrically interconnected. In addition, they also provide a layer of insulation to prevent electrical shorts, overvoltages, and other dangerous electrical events.Terminal blocks are commonly applied in the industrial, automation, military, telecom, and automotive industries. Possibly the most common use of terminal blocks is in the operation of HVAC (heating, ventilation, air conditioning) systems. This is due to their reliability and ability to quickly connect and disconnect electrical components in tight spaces. Also, they are perfect for connecting and organizing power connections when building robotic and automation equipment. Terminal blocks are also used when connecting two audio components in circular or low voltage configurations. This means that they can be used to connect instruments, microphones, and speakers to amplifiers, receivers, and other audio equipment. Additionally, they are used to join cables considered to be part of the same controlled system. Terminal blocks also have the capability to joining two different solid state AC motor circuits.Typically, terminal blocks consist of two parts: the header where the power or signal is connected to a circuit, and the socket where the wire of the power source or signal originates. When it comes to installation, the header is first mounted onto the installation surface, followed by the socket being connected/attached. During connection, the header’s pins present on the sides of it, need to be connected to the socket’s receptors. Once the connection between the header and socket is complete, the terminal block is ready for use. The function of a terminal block follows the principle of conduction and continuity. This is responsible for connecting and conducting an electrical current, and for getting the component supplied with the power to function as required.In general, pins located on the sides of a terminal block’s header, ensure that the electricity is conducted from the header to the socket, and the wire of the power source/signal is connected to the socket in order to complete the circuit. This process is known as the two-conductor method. There is also another installation method, known as the one-conductor method, which is commonly used with the header and socket of a terminal block. It involves the use of a single insulated conductor that is clamped into the socket. This method is widely useful in applications that require reliable electrical connections in extremely constricted areas, such as within finger-tightened machines.On the other hand, a terminal block connection usually has two terminal posts. The single-conductor method requires one post to fit the conductor wire directly within the socket, and the other for securing it in place with a clamp.In conclusion, terminal blocks are widely applicable in multiple industries. They play an important role in the transfer of current, and optimize the overall handing of power. Even more, they provide insulation, which prevents dangerous electrical shorts and overvoltages. Their use, installation, and working principles are relatively simple, and can be applied to almost any electrical system.

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