1977477-8

Top Termination:	Screws with Captive Plate
Material Flammability Rating:	UL94 V-0
Material - Insulation:	Polyamide (PA66), Nylon 6/6
Operating Temperature:	-40°C ~ 105°C
Mounting Type:	Through Hole
Terminal Screw Finish:	Nickel
Terminal Screw Material:	Steel
Color:	Black
Features:	Side Stacking (Interlocking)
Barrier Type:	2 Wall (Dual)
Bottom Termination:	PC Pin
Series:	--
Wire Gauge:	16-22 AWG
Voltage Rating:	300V
Current Rating:	15A
Number of Rows:	1
Pitch:	0.325" (8.26mm)
Number of Wire Entries:	8
Number of Circuits:	8
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks - Barrier BlocksBarrier blocks are an essential component in any electrical application. Constructed of either metal or plastic, they provide the necessary connections for electrical circuits, as well as making certain safety features. In terms of functionality, they are often characterised as either lead-free or lead-based.Lead-free barrier blocks are identified by their use of dielectric instead of metal-based contacts. These dielectric materials provide a higher breakdown voltage, enabling a more reliable connection even when interference is present. As the name implies, lead-free material is free from metals such as lead, making it a safer and more reliable option when it comes to electrical systems.Lead-based barrier blocks, on the other hand, are constructed using metal-based contacts. They are more resistant to wear and tear, and offer better protection against electrical hiccups. Lead-based barrier blocks are more common in industrial applications, however, due to their higher cost and the risk of lead contamination.When it comes to the 1977477-8 application field and working principle of barrier blocks, the key application fields include direct current drives (DC), HMI systems, LED lighting systems, power and entertainment systems, and even elevator operating systems. When used in DC applications, for instance, these blocks help protect components from shorts and are typically used near the power supply as the source of energy. In LED systems, it is generally used to enable a quick and complete connection of multiple LED lights without the need for complex wiring.The working principle of barrier blocks is also dependent on the application. Generally, it is constructed in a way that ensures the appropriate connections from one end to the other. Barrier blocks usually have several terminals as its terminals connect in series with each other, ensuring maximum efficiency and safety. Insertion of the corresponding components such as wires, wires, or even a PLC is done through these terminals.In essence, the 1977477-8 application field and working principle of barrier blocks provide the necessary connections as well as the reliability and safety needed in a wide range of applications. In spite of their higher cost, they are invaluable in any electrical system due to the protection and convenience they offer.

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