A21930807

Top Termination:	Screws with Captive Plate
Material Flammability Rating:	UL94 V-0
Material - Insulation:	Thermoplastic
Operating Temperature:	-40°C ~ 105°C
Mounting Type:	Chassis, Panel
Terminal Screw Finish:	--
Terminal Screw Material:	Steel
Color:	Black
Features:	Flange
Barrier Type:	2 Wall (Dual)
Bottom Termination:	Quick Connect (0.250"), Insulated
Series:	A2000
Wire Gauge:	12-22 AWG
Voltage Rating:	300V
Current Rating:	30A
Number of Rows:	1
Pitch:	0.375" (9.53mm)
Number of Wire Entries:	8
Number of Circuits:	8
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks - Barrier Blocks

A21930807 is classified into terminal blocks and barrier blocks. It acts as a connecting and separating port in the electrical system, is designed to provide efficient connections for power, data, and control applications.

Applications

In industrial applications, terminal blocks are typically used in the control cabinet to form a connection point between the incoming cable and the electrical control circuit. They are suitable for most types of circuits and many types of control and distribution devices. Examples of applications include power distribution, lighting systems, temperature monitoring, and other industrial tasks.Terminal blocks can also be used for data transmission in application such as train control systems, motor control systems, access control systems, communication systems, and more.

Advantages

Terminal blocks are designed to be extremely robust, safe and reliable, allowing for multiple connections within a compact space. They are preferred to traditional wiring systems because of their versatility on a variety of jobs. Terminal blocks provide maximum flexibility, allowing connections to be changed quickly when needed. When compared to more traditional wiring methods such as soldering, the use of terminal blocks offers highest accuracy and allows for greater future alterations. By incorporating standardized screw tightening technology, These terminals eliminate wire mis-connections, the leading cause of failure in wiring systems.The biggest advantage of barrier terminal blocks is that it provides an isolated and separated connection, preventing part of a circuit from receiving too much current or energy, which can cause a fire or electrical hazard. It allows multiple circuits to be connected to the same conducting wire.

Working Principle

The working principle of a terminal block is straightforward. A metal spike is inserted into a terminal, which is connected to a conductor in the circuit. The metal spike is then twisted into the terminal and the connection is made. Once the connection is secure, the external power source is then connected to the terminal block. The power is then transferred through the terminal to the load. Barrier terminal blocks, also known as isolation blocks, provide an extra degree of protection. They are designed to protect live rigs from outside sources, and also protect personnel from high voltage shock. they are also designed to protect any outside power source from connecting to the live part of the system.

Conclusion

In general, A21930807 is one kind of terminal block and barrier block, it’s a very safe and reliable way of connecting and separating circuits in electrical systems. It has versatility and flexibility for various applications, and it provides an insulated and protected connection. It\'s a very important part in modern electrical projects, and it’s widely used in industrial areas for power, data and control purposes.

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Part Number	Manufacturer	Price	Quantity	Description