430712-04-0

Top Termination:	Screws
Material Flammability Rating:	UL94 V-0
Material - Insulation:	Polypropylene (PP)
Operating Temperature:	105°C
Mounting Type:	Chassis, Panel; Through Hole, Right Angle
Terminal Screw Finish:	Nickel
Terminal Screw Material:	Brass
Color:	--
Features:	Flange
Barrier Type:	2 Wall (Dual)
Bottom Termination:	PC Pin
Series:	43000
Wire Gauge:	12-22 AWG
Voltage Rating:	600V
Current Rating:	20A
Number of Rows:	1
Pitch:	0.438" (11.12mm)
Number of Wire Entries:	4
Number of Circuits:	4
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks - Barrier Blocks

430712-04-0 is a modular terminal block barrier designed to protect an electrical circuit from accidental contact or interference with a hazardous voltage. Its application field and working principle are described below:

Application Field

430712-04-0 terminal block barrier are mainly used in the wiring systems of industrial, commercial and other high-voltage applications, such as elevators, process control systems, rectifier and inverter systems, and automated equipment. Its ability to quickly and easily disconnect and connect high voltage and low voltage wires, as well as provide strain relief, can save time and improve maintenance efficiency. It is also suitable for use in hazardous areas as well as on offshore rigs and ships.

Working Principle

The terminals of 430712-04-0 terminal block barriers make use of compression-type insulation technology. The compression principle is adopted to the contacts of the user interface. First, the contact pin is placed into the contact header hole, and the user-side terminal contacts the pin on the header hole. Then, the contact pin is fixed to the contact header with a screw, and the terminal is tightened up. This tightens-up process causes the contact pin to deform and compress the contact header hole, thereby achieving a more reliable and more secure connection. The compression insulation technology also greatly reduces the risk of wire connections coming undone due to vibration or thermal effects.

430712-04-0 terminal block barriers also offer a variety of different contact technologies such as liquid tight, wire-to-board, and board-to-board connections. This allows users to choose the best connection solution for their specific application. In addition, 430712-04-0 terminal block barriers offer easy installation and reworkability. When compared to other connection technologies such as solderless terminal blocks, terminal block barriers provide a more secure and reliable connection with a simpler installation process.

430712-04-0 terminal block barriers also provide an increased level of protection against electrical shock and short circuits. This is because the contacts are surrounded by a plastic or metal barrier, which prevents a direct contact with the live wires. It also provides EMC protection, shielding the wire connections from electromagnetic interference. In addition, 430712-04-0 terminal block barriers can be easily removed to allow for service and repair of the equipment in which it is installed. This provides improved maintenance and servicing, which can save time and money.

In conclusion, 430712-04-0 terminal block barrier are an excellent choice for electrical circuits in industrial or commercial applications that require a secure and reliable connection with a wide range of different contact technologies. The ability to disconnect and reconnect high voltage and low voltage wires quickly and easily, as well as providing strain relief and EMI protection, can save time during installation and provide a more reliable connection for years to come.

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Part Number	Manufacturer	Price	Quantity	Description