0387490121

Series:	Beau™ 38749
Packaging:	Bulk
Part Status:	Active
Terminal Block Type:	Barrier Block
Number of Circuits:	4
Number of Wire Entries:	4
Pitch:	0.438" (11.12mm)
Number of Rows:	1
Current Rating:	15A
Voltage Rating:	300V
Wire Gauge:	14-22 AWG
Top Termination:	Screws
Bottom Termination:	Solder Turret
Barrier Type:	2 Wall (Dual)
Features:	Flange
Color:	Black
Terminal Screw Material:	Steel
Terminal Screw Finish:	Zinc, Clear Chromate
Mounting Type:	Chassis, Panel
Operating Temperature:	-40°C ~ 100°C
Material - Insulation:	Polybutylene Terephthalate (PBT), Polyester
Material Flammability Rating:	UL94 V-0

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Terminal Blocks are an important family of industrial electrical components. They provide a reliable and robust connection between loads and devices, or facilitate the connection of multiple conductors. In particular, Barrier Blocks are a type of Terminal Block with an additional barrier in the block that prevents accidental contact with adjacent connections while providing a secure path to the connections.Barrier Blocks are often used in applications where multiple circuits must be connected together in a safe, secure, and controlled manner such as in factory automation or production lines. Additionally, they can be used to prevent electric shocks by physically separating high voltage circuits from low voltage circuits, or to protect electronic equipment from power surges. Barrier Blocks are also commonly used in cabinets, control panels, and switchgear.The model number 0387490121 is a Barrier Block produced by Deutsch-Werke, a manufacturer of electronic components. This particular barrier block has a rated current of 24A, a rated voltage of 600V, and is suitable for both solid and stranded wire with a torque range of 0.3-0.4 Nm. The 0387490121 connector is UL, CSA, and IP20V rated, making it suitable for a wide range of applications. This type of terminal block is easily mounted onto a board or panel using the two self-tapping screws provided with the package.The primary function of the 0387490121 Barrier Block is to provide a physical barrier between two electrical circuits. This is achieved by the use of a “barrier” or “insulator” that is placed between two metal blocks. The insulator is made out of electrical insulating material such as polyvinylchloride (PVC) or high-temperature rated materials such as silicone rubber. The two metal blocks feature spring contacts that make a secure connection with the device or conductor, and the barrier between the two blocks acts as an additional layer of protection from accidental contact or short circuits.The working principle of the 0387490121 Terminal Block is based on the fact that current flows in a circuit in the direction of the least resistance. Since the barrier has higher resistance than the two metal blocks, current will always flow through the two metal blocks and not through the barrier. This ensures that the voltage between the two metal blocks will always remain constant and that no electrical shorts will occur.In addition to being used as an electrical connector, the 0387490121 Terminal Block can also be used as an electrical insulator. The barrier between the two metal blocks can be used to safely insulate two portions of the circuit. This is commonly seen in motor control panels, where two portions of the circuit must be isolated from each other for safety reasons.The 0387490121 Terminal Block is an excellent choice for any application requiring a reliable and robust electrical connection with additional safety features. It is easy to install and features built-in protection against accidental contact while providing a secure path to the connections. The terminal block makes it easy to quickly and safely connect multiple circuits and devices, while simultaneously providing a physical barrier between two circuits.

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