1977477-9

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:	9
Number of Circuits:	9
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks - Barrier BlocksTerminal blocks, also known as barrier blocks, are an electrical engineering device used to interconnect electrical signals from one component to another. Such components can be located in the same room or in different rooms. Terminal blocks are also used to provide electrical continuity between the devices, and to protect the components from shocks and other potential harm.A terminal block is typically composed of two or more connecting points that are usually made of metal. A pair of two contacts is connected together with a conductive material such as copper, steel or brass. The contacts are held together by an insulation material such as polyethylene, fiberglass, or cellular glass. The insulation material not only prevents the contact from becoming electrically motivated, but it also keeps them from corroding or becoming contaminated.Terminal blocks are especially useful in industrial, commercial and consumer applications, where the changing of wiring configurations can be difficult or inconvenient. Because of their widespread application, various terminal block configurations exist in the market: Double Level Blocks, Universal Blocks with Pressure Screws, Individual Blocks, Multi-Piece Blocks, and Modular Blocks with Special Accessories. Although they all share the same basic function, they are specifically designed to suit different technical requirements.In the past, terminal blocks were used mainly for power transmission applications. However, the modern terminal blocks provide additional functions which allow them to be used in a variety of different scenarios. For instance, the 77477-9 type of terminal block is designed for use in the field of automation.This type of terminal block is used in a block barrier configuration, so that the entire block is surrounded by a plastic housing. This plastic housing provides additional protection against sparks or electrical shock in case of any accidents. Additionally, the block terminals have strain reliefs which protect the cables in case of excessive strain or pressure.The 77477-9 terminal block has several important features that allow it to be used effectively and safely in the automation field. Its power connecting points are five-pole, so it can be used in a variety of functions that involve four or five different connections. Additionally, it has feed-through connections which facilitate the easy connection of multiple devices within the same circuit.The 77477-9 terminal block also has a wide range of optional accessories that can be connected to it. This makes it very useful in applications that involve a need for using multiple devices. The terminals within the block are also designed to have a long life-span and can withstand extreme weather conditions, making it suitable for applications where extreme weather is a constant factor.Aside from its power applications, the 77477-9 terminal block is also widely used in grounding applications. Its grounding points make it ideal for equipment that require ground isolation or grounding. Its current controlling features also make it very useful for controlling current in motors and other large machinery.The 77477-9 terminal block also has the advantage of being very user-friendly. Its user-friendly features include easy installation, troubleshooting, and monitoring of the connections. The terminal blocks are also designed to have a wide temperature range, so they can be used in applications where regular temperature fluctuations are inevitable.The 77477-9 blocks are very durable and efficient, and they are very easy to maintain. Their components can be replaced or maintained without needing to access the entire block. Additionally, these types of blocks have a longer shelf-life than the other types of blocks and provide a lifetime guarantee from the manufacturers.Terminal blocks are an essential component in any automation project. The 77477-9 type of terminal block provide a reliable solution for protecting and interconnecting electrical signals for a wide range of applications. Its features make it a great choice for any system that requires efficient and reliable connections.

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