A31930409

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:	Nickel
Terminal Screw Material:	Brass
Color:	Black
Features:	Flange
Barrier Type:	2 Wall (Dual)
Bottom Termination:	Quick Connect (0.250"), Insulated
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:	4
Number of Circuits:	4
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Terminal Blocks - Barrier Blocks A31930409 applications field and working principle

Terminal blocks, also known as barrier blocks, are electrical devices used to provide quick-connect terminals for passing electrical current between incoming power and outgoing devices. These devices are often used in industrial control and automation systems, such as in a circuit for controlling lighting or motor speed or direction. Terminal blocks typically consist of a molded block of insulating material with a number of screw or spring terminals for connecting incoming and outgoing wires. Barrier blocks are a type of terminal block that adds an extra layer of insulation between the live or high voltage side and the neutral side of the circuit, creating a safer working environment.

The A31930409 terminal block is a barrier block featuring five rows of screw terminals with markings for you to easily identify the poles. It is designed for quick and easy electrical connections between aerial lines, maintaining reliable electrical performance and chemical resistance. The compact design allows you to save space by mounting the block to a DIN/EN50022 rail or in a cabinet. The screw terminals accept wires of size 12 AWG (American wire gauge) for a reliable and secure connection.

When you are working with high voltage equipment, safety must be considered first. Barrier blocks are designed to reduce the risk of shock, as they present an extra barrier between the live conductors and any uninsulated terminals. The A31930409 has a number of safety features to ensure it can only be used for its intended purpose. The clamping yoke has snap-on protection caps that prevent direct contact with the high voltage when the terminal block is not in use. The terminal block also features plastic insulation parts and elastic washers on the clamping screws, which hold the clamping yoke securely in place and reduce the risk of accidental contact with live conductors.

The A31930409 terminal block has two separate clamping troughs that run the full length of the block, which have been designed to improve the electrical contact and overall performance of the connection. Additionally, the specialized design allows for several different connections to be made in a single housing. The block has a large enough voltage rating (6kV) to make it suitable for a range of industrial applications, including control cabinets, motor control centers, machine tools, and electric power transformers.

Installing the A31930409 is easy and efficient. The barrier blocks are available in modular form so that they can easily be assembled onto the backing plate or rail. They have pre-molded glands at each end so that they can be used with cables of different sizes. The screws have a special thread to ensure a secure connection, and adjustable screws that make it easy to regulate the tension. Additionally, it uses a slotted gate latching system that allows the screws to be securely fastened and, should the need arise, easily replaced without having to disassemble the entire device. There is also a self-closing shut-off lid that stops incoming or outgoing connections when the screw terminal is not in use.

The A31930409 terminal block is just one example of the many types of terminal blocks available to you, and the features it offers make it a great choice for many applications. By combining insulation and barrier protection with high current-handling capacity, the A31930409 provides a reliable and safe connection for your industrial needs.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description