1754478

Voltage - UL:	300V
Insulation Height:	0.339" (8.61mm)
Contact Tail Length:	0.138" (3.50mm)
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 MSTB
Current - UL:	15A
Voltage - IEC:	400V
Current - IEC:	12A
Mounting Type:	Through Hole
Termination Style:	Solder
Plug Wire Entry:	--
Header Orientation:	90°, Right Angle
Pitch:	0.197" (5.00mm)
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
Terminal blocks are an essential item of any electrical system or industrial control panel. They are used to enable a reliable transfer of electrical power or signals to flow through a particular circuit, allowing the system to operate efficiently and safely. The terminal blocks are composed of two parts: a header and a plug or socket. In this article, we\'ll explore the application field and working principle of the 1754478 terminal block.

Application Field
The 1754478 terminal block can be used for a wide variety of applications. They can be used to create switchable circuits for controlling electrical systems, such as motor controllers, as well as for connecting power lines. They can also be used to create connections between signal lines or control circuits in an industrial setting. They are typically found in electronic devices, such as computers and TVs, and can be used to create connections between different components within a device.

Working Principle
The working principle of the 1754478 terminal block is quite simple. The header of the block is the part that is inserted into the board, typically a printed circuit board. The plug or socket is then connected to the header, and the connection is secured by screws that are mounted in the header. Once connected, the screws drive the connection tight, ensuring a reliable transfer of electricity or signals. The connection is then protected with the use of a cover, typically made of plastic or metal, which helps to protect the connection from moisture and other environmental factors.

Advantages
The primary advantage of using the 1754478 terminal block is the improved reliability of the connection compared to hardwired connections. They are much less prone to failure due to their reliable build quality. They are also easier to install compared to hardwired connections, as a technician can simply insert the header into the board and secure it with the screws. This makes them ideal for use in highly dynamic environments, such as in industrial settings where quick changes are required on a regular basis.

Disadvantages
The main disadvantage of the 1754478 terminal block is that they are not as flexible as other items of electrical equipment. They are generally limited to a specific type of connection, which means that they cannot be used to create a wide range of connections. They are also more expensive than hardwired connections, as they require more skill and precision from the installer.

Conclusion
The 1754478 terminal block is an invaluable piece of equipment for any electrical system or industrial control panel. It is a reliable and easy to install item that can help improve the efficiency and safety of the system. However, they have a few drawbacks that should be considered before investing in them, such as the limited flexibility and the higher cost.

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