A30221309

Top Termination:	Screws with Captive Plate
Material Flammability Rating:	UL94 V-0
Material - Insulation:	Thermoplastic
Operating Temperature:	-40°C ~ 105°C
Mounting Type:	Through Hole
Terminal Screw Finish:	Nickel
Terminal Screw Material:	Brass
Color:	Black
Features:	--
Barrier Type:	2 Wall (Dual)
Bottom Termination:	PC Pin
Series:	A3000
Wire Gauge:	12-22 AWG
Voltage Rating:	600V
Current Rating:	30A
Number of Rows:	1
Pitch:	0.437" (11.10mm)
Number of Wire Entries:	13
Number of Circuits:	13
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks - Barrier Blocks

A30221309 terminal block is one of the most popular product in the category of barrier blocks. They are often used for creating electrical paths between different components and systems. As they divide the electrical conductors into sections, they help reduce risk by keeping large currents away from parts of the circuit. This article will cover the many applications and principles of use for this terminal block.A30221309 barrier blocks are typically constructed from injection molded plastics as their insulation and structural components. The contact part is usually made by silver plated copper alloy, which ensures high conductivity and low contact resistance. They have two types of contact areas: plug-in type and screw type. The plug-in contact area allows simple insert connections, while screw type allow more stable high pressure contact with better conductive effects. These terminal blocks offer a wide range of options for users, such as multi-channel grouping, special mechanical connection designs, LED indication for power on/off and many more.A30221309 terminal blocks are used prevalently in various electrical applications. The most popular applications are domestic products, including home security systems and alarms, audio and video products, illuminators, LED light strips, and lighting control units. In industrial fields, they are used as the main electrical components in various process control systems, manufacturing equipment, automatic control devices, power distribution units and distribution systems for various industrial applications. When using A30221309 terminal blocks, users should pay special attention to the installation conditions and structures. The pull-out strength of the contact structure must match the wire size, and the value should be stated clearly in the product specification before purchase. The contact must have proper pointed contacts for tension and a good contact for springs. The insulation and contact materials should be of good quality, and of the right size for the target enclosure. The terminal blocks should be chosen for the wire and the load environment and its specifications must be appropriate for the application. Additionally, it is important to consider how the terminal block is connected and the kinds of connections that can be accommodated. A30221309 terminal blocks usually come with plug-in terminal that connect to the main system bus bar. This type of connection is quick and easy and requires no additional tools. The bus bars should be square and the AWG (American Wire Gauge) should be compatible with the wire size of the terminal block. For screw type connections, user should be aware of what kind of screws are being used, as they are often classified differently and come with different torque values.A30221309 terminal blocks are usually constructed with an internal loop connection principle, whereby the contact points are arranged in a row and spaced apart slightly, with a bridge or jumper between each contact point. This allows multiple ic conductors to be connected to the same terminal block without running through the external wiring. The jumper has 2 contact points, the top one to connect the inner wire and the bottom one to connect the outer wire. The jumper not only forms a bridge between two contact points but also stays in the safe space between insulated rail and contact points to prevent accidental short circuits. In conclusion, A30221309 terminal blocks are versatile and reliable electrical components that are widely used across various applications. To ensure an optimal and safe connection, the proper conditions and connection methods should be considered. Their internal loop connection principle gives users many advantages, and the various types of connections make it easy to customize the setup for different needs.

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