1720017

Mounting Type:	Through Hole
Screw Thread:	M3
Torque - Screw:	0.5-0.6 Nm (4.4-5.3 Lb-In)
Screw Material - Plating:	--
Clamp Material - Plating:	--
Contact Material - Plating:	--
Housing Material:	Polyamide (PA), Nylon
Operating Temperature:	--
Color:	Green
Features:	Interlocking (Side)
Wire Termination:	Screw - Rising Cage Clamp
Series:	COMBICON SMKDS
Wire Gauge:	10-30 AWG
Voltage:	300V
Current:	30A
Mating Orientation:	35° (145°) Angle with Board
Pitch:	0.375" (9.53mm)
Positions Per Level:	2
Number of Levels:	1
Part Status:	Active
Packaging:	Bulk

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Terminal blocks are electrical connectors that are the form of screw or plug that are used to make connection between wires and printed circuit boards (PCB).
Terminal blocks, also referred to as wire-to-board connectors, come in various sizes, shapes, voltage ratings, current ratings, and forms of wire insulation. With their wide range of features, they are particularly attractive for designs in which interconnects may need to be reconfigured, or where hidden connections and small size are critical.
Terminal blocks can be divided into two main types: hook terminal and DIN-rail terminal. The hook terminal block is designed as a self-locking connector made up of two pieces of communicating springs between which a conductor is inserted (sometimes with insulation). The second type of terminal block is DIN-rail mounted. These are used in tight spaces and facilitate the connection of multiple wires. In addition, they are essentially maintenance-free and are rated for 30 to 100 amps.
Terminal blocks are widely used in the field due to its convenience and effectiveness. The most common application of using terminal blocks is to make a connection between two regular wires. It is a secure and convenient way to connect wires to power sources, motor leads, relays, electronic circuits, AC/DC drivers and other equipment. The use of terminal blocks can simplify complex wiring and reduce the amount of time required for installation and troubleshooting. By using this type of electrical connector, users can save time and cost efficiently in completing their projects.
The working principle of a terminal block is fairly straightforward. It has two parts, the conductor and the contact. The conductor carries the electrical current and the contact is the part of the terminal block to which the conductor is connected. The two parts are held together by a screw terminal or a plug. When the conductor is inserted into the screw terminal, the contact is compressed, creating a secure connection.
To ensure a secure connection, the contact should always be clean and free of dirt, dust, and corrosion. Terminal blocks should also be checked regularly for loose connections. In addition, it is important to choose the right size of terminal block that is able to accommodate the size and type of conductor. Finally, it is important to use the appropriate wire type for the appropriate voltage and current requirements.
In conclusion, terminal blocks are important components used widely in the electronic industry as an efficient connection method. They are able to provide a secure connection between wires and printed circuit boards, and simplify complex wiring. By following the appropriate precautions and selecting the right type of terminal block, users can ensure reliable connections for their projects.

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