0387190478

Top Termination:	Screws with Captive Plate
Material Flammability Rating:	UL94 V-0
Material - Insulation:	Thermoplastic
Operating Temperature:	-40°C ~ 100°C
Mounting Type:	Chassis, Panel
Terminal Screw Finish:	Nickel
Terminal Screw Material:	Brass
Color:	Black
Features:	Flange
Barrier Type:	2 Wall (Dual)
Bottom Termination:	Solder Turret, Insulated
Series:	Beau™ 38719
Wire Gauge:	12-22 AWG
Voltage Rating:	300V
Current Rating:	20A
Number of Rows:	1
Pitch:	0.375" (9.53mm)
Number of Wire Entries:	3
Number of Circuits:	3
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

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Terminal blocks, also called screw terminals, provide a convenient way to connect two or more electrical circuits. They consist of two metal plates, each of which is surrounded by insulation material, such as rubber or plastic. The plates are connected in one of two ways: a continuous “barrier” or a “breakaway”. 0387190478 Barrier blocks are used to physically separate one circuit from another, isolating them electrically. The blocks are not electrically connected and the connected wires from each circuit are isolated. This eliminates any risk of an electric shock or short circuit. Barrier blocks are commonly used for telecommunications systems, security systems, industrial electronics, and household appliances.Barrier blocks are classified according to their rated current, voltage, and mounting methods. The rated current is the amount of current that the block is able to handle, and the voltage is the maximum amount of voltage the block can handle. The mounting method defines how the block is mounted, such as whether it is surface-mounted or panel-mounted.The working principle of barrier blocks is relatively simple – they provide a physical barrier between two different electrical circuits, allowing them to be connected without risking electric shock or short circuits. In order to ensure this, a thick layer of insulation material is placed between the two metal plates. This material effectively creates a physical barrier that prevents electrical current from travelling between the two circuits.The plates are connected either by a continuous barrier, or by a breakaway method. In the continuous barrier method, the two plates are connected at the centre with an insulation layer. This provides a reliable electrical barrier that ensures no current passes between the two circuits. In the breakaway method, the plates are connected at points which, when pulled apart, break the connection between the two circuits. This is ideal for applications where the two circuits need to be disconnected quickly and safely.Terminal blocks, and particularly barrier blocks, provide a simple yet highly effective solution for safely connecting two or more electrical circuits. They are an invaluable tool for a variety of applications, from telecommunications systems, security systems, industrial electronics, and household appliances. Thanks to their ease of installation and reliable electrical isolation, barrier blocks provide a safe and efficient way to connect two or more electrical circuits.

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