2014-ST

Top Termination:	Screws with Solder Lugs, Dual
Material Flammability Rating:	UL94 V-0
Material - Insulation:	Polyphenylene Oxide (PPO)
Operating Temperature:	110°C
Mounting Type:	Chassis, Panel
Terminal Screw Finish:	Tin
Terminal Screw Material:	--
Color:	--
Features:	Flange
Barrier Type:	2 Wall (Dual)
Bottom Termination:	Closed
Series:	2000
Wire Gauge:	10-22 AWG
Voltage Rating:	--
Current Rating:	30A
Number of Rows:	2
Pitch:	0.438" (11.12mm)
Number of Wire Entries:	28
Number of Circuits:	14
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

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Introduction Terminal blocks, also known as barrier blocks, are found in equipment and appliances that have multiple connections from the outside world to the electronic components within them. They are used to contain and insulate the connections from outside sources so that electricity can safely transfer across the connections. This type of terminal block is often used in military grade equipment because of its extreme insulation capabilities and durability.History Terminal blocks were first developed in the early 1900s and used primarily in electrical appliances and equipment. They were made of materials like brass and copper and were stamped with stamped letters to properly identify the connections going to and from the electronic component. During the mid 1950s, the design of the terminal block changed significantly with the introduction of molded plastic blocks that had a better insulation capacity. This marked the evolution of the modern terminal block design, which is now used in a variety of applications.Types of Terminal Blocks Terminal blocks come in a variety of sizes and configurations. The most common are the single row (single pole) or dual row versions which are used to contain and separate electrical signals. For example, the single-row version can be used to separate a single-phase power from a three-phase power by placing one row of terminals on each phase. Similarly, dual-row terminal blocks can be used to separate two or three wire connections (such as in a telephone system) from one another. The number of terminals on a terminal block can range from two up to sixty-four.2014-ST Application Field and Working Principle Terminal blocks are commonly used in the industrial sector, where connections must be insulated and protected from direct contact with other electrical sources. The 2014-ST series is suitable for a variety of applications, such as control cabinets, enclosures, rack-mount automation systems, and junction boxes. The 2014-ST comes with two to sixty terminals per row of blocks and is designed to prevent short circuits and ensure electrical noise free operation. Each terminal consists of a contact and a solid insulation block, which is populated onto the body of the terminal block in order to maintain a secure connection with the respective terminals. Each terminal requires soldering techniques to ensure proper insulation from interference and corrosion. The contact is insulated from the soldered portion of the terminal block by a small plastic cover, and small metal clips secured by screws prevent the contact from loosening during vibration. The contacts are also silver-plated and corrosion resistant, enabling them to handle higher levels of electrical current compared to standard terminal blocks. In terms of operation, the 2014-ST terminal blocks enable quick and secure wiring of electrical components. Terminals are grouped together in either two to sixteen or two to sixty-four connections per row depending on the series. A single or double finger retention latch allows for rapid wiring of conductors by means of a tool-free, one-hand operation. Furthermore, a tool-free device crimp connection prevents unintentional electrical contact between terminals, providing a secure and reliable connection. Conclusion Terminal blocks, or barrier blocks, are an essential component of any electrical system, providing insulation and protection from outside electrical sources. The 2014-ST series of terminal blocks is an advanced design offering multiple terminal connection points, greater insulation capabilities and corrosion resistance. They are ideal for a wide range of applications and enable quick and secure wiring of electrical components.

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