1990517 Allicdata Electronics
Allicdata Part #:

1990517-ND

Manufacturer Part#:

1990517

Price: $ 3.42
Product Category:

Connectors, Interconnects

Manufacturer: Phoenix Contact
Short Description: TERM BLOCK
More Detail: 2 Position Wire to Board Terminal Block Horizontal...
DataSheet: 1990517 datasheet1990517 Datasheet/PDF
Quantity: 1000
50 +: $ 3.11220
Stock 1000Can Ship Immediately
$ 3.42
Specifications
Mounting Type: Through Hole
Screw Thread: M3
Torque - Screw: 0.5-0.6 Nm (4.4-5.3 Lb-In)
Screw Material - Plating: --
Clamp Material - Plating: --
Contact Material - Plating: --
Housing Material: --
Operating Temperature: --
Color: Gray
Features: Interlocking (Side)
Wire Termination: Screw - Rising Cage Clamp
Series: COMBICON MKKDS
Wire Gauge: 10-30 AWG
Voltage: 300V
Current: 30A
Mating Orientation: Horizontal with Board
Pitch: 0.250" (6.35mm)
Positions Per Level: 2
Number of Levels: 2
Part Status: Active
Packaging: Bulk 
Description

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Terminal Blocks - Wire to Board

Terminal blocks, also known as terminal strips, consist of a series of metal posts and wires, designed to securely connect two pieces of electrical equipment. These types of blocks are often used in industrial automation applications because they offer circuit protection, reduce wiring time and provide a reliable connection. To understand the different types and applications of terminal blocks and their working principle, let’s take a look at a more detailed description.

Types of Terminal Blocks

Terminal blocks vary according to their application. For example, there are block connectors with blade contacts, pluggable, and screwless terminals. All are designed to provide a secure connection between two pieces of equipment while providing circuit protection.Blade contact terminal blocks are one of the most popular types of blocks used in terminals. They house simple but effective blade contacts along the side of the block. As wiring is completed, the blade contact is pushed into the required slot, making contact with the metal post inside the block. The contact and post provide a very secure connection.Pluggable terminal blocks provide an easier, quick-connect solution for wiring and circuit connection. This type of terminal block features a number of pins, positioned along the side of the block. When wiring is complete, the metal pins are plugged into a series of slots along the edge of the block. The pins provide the same reliable connection found with blade contact terminals, but with the added benefit of quick connections.Screwless terminals, as their name suggests, offer an efficient solution for wiring projects that require speed and accuracy. This type of block has small metal contacts along its edge. Simply slide the wire under and through the contact, and the job is done. Screwless terminal blocks provide a firm yet flexible connection, making them perfect for those jobs with tight deadlines.

Terminal Blocks Working Principle

Terminal blocks use a connection principle known as “dead-front construction.” This working principle eliminates exposure to live electrical conductors during assembly or routine maintenance. The metal posts of the block, along with the contacts at the edges of the block, work together to create a secure connection.As current flows through the block, the metal posts and contacts accurately and safely transfer electrical current from one circuit to the next. This process can occur safely thanks to the insulation between the metal posts and contacts. The insulation helps to eliminate contact of live wires and exposed metal posts that can cause shock, fires, and other accidents.

Applications of Terminal Blocks

Terminal blocks are widely used in both residential and commercial applications. In residential settings, terminal blocks are often used in lighting and appliance control systems. They provide a safe and simple solution for turning lights off and on with the flick of a switch.In commercial applications, terminal blocks are often used in industrial automation applications. They provide circuit protection, while also reducing wiring time and providing reliable connections. From process control systems, to security systems, terminal blocks are a popular and convenient way to connect electrical systems.Terminal blocks are also used in computing and telecommunications applications. They can be found in a range of computer and antenna systems, providing a secure and reliable connection for transmitting data.In summary, terminal blocks provide a reliable and efficient way to securely connect two pieces of electrical equipment. Different types of terminal blocks are available for various uses, from light and appliance control systems to industrial automation applications. The metal posts and contacts within the block work together to provide a safe and secure connection.

The specific data is subject to PDF, and the above content is for reference

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