0387217318

Top Termination:	Screws with Captive Plate
Material Flammability Rating:	UL94 V-0
Material - Insulation:	Polybutylene Terephthalate (PBT), Glass Filled
Operating Temperature:	-40°C ~ 100°C
Mounting Type:	Chassis, Panel
Terminal Screw Finish:	Zinc, Clear Chromate
Terminal Screw Material:	Steel
Color:	Black
Features:	Flange
Barrier Type:	2 Wall (Dual)
Bottom Termination:	Quick Connect (0.187"), Insulated
Series:	Beau™ 38721
Wire Gauge:	12-22 AWG
Voltage Rating:	300V
Current Rating:	20A
Number of Rows:	1
Pitch:	0.375" (9.53mm)
Number of Wire Entries:	18
Number of Circuits:	18
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks - Barrier BlocksTerminal blocks are a kind of electrical connection products which are commonly used in industrial electrical wiring and on-site maintenance. They offer a fast, convenient and reliable connection between terminals and electric wires. The terminal blocks discussed in this essay are barrier blocks which are characterized by the barriers they have between each terminal. The barriers isolate the circuits and prevent the surge current caused by mis-connection and short circuit.A typical 0387217318 terminal block consists of insulating nylon material and copper bars. It provides secure and low resistance connection between two lines, one terminal cable which is inserted into the copper bar and the other terminal contact which is crimped or soldered to the wire. These terminal blocks are available in various configurations, from single or dual deck terminals to modular blocks with up to ten levels. The advantages of barrier terminal blocks are that their connection is quick and efficient. They require no special tools or complicated procedure, and the shape of the copper bar allows for easy and secure insertion as well as de-insertion. Besides, the design of the blocks also guards against contact with live components, and the removable plastic covers can provide additional protection. Barrier Terminal blocks are generally used in electrical circuits for the purpose of power connection in motor drive, automotive, machine control, lighting, etc. The working principle of barrier terminal blocks is that, when the electrical circuit value is low, the current always flows through corresponding connections. When the value is high, the surplus current will be blocked by the barrier blocks themselves, providing protection against mis-connections and short circuits. Moreover, due to the utilization of durable plastic clips, corrosion can be reduced and reliability can be increased. Therefore, these blocks are widely used and accepted in hazardous environments, including marine power systems, chemical plants and other harsh industrial environments.The salient feature of these terminal blocks is that they are used to isolate low voltage circuits and necessary surge protection. All of the terminal blocks generally consist of a screw terminal, a copper bar and a nylon material cover. The contact spring is used for fast and secure connection between the two terminals. The nut is screwed onto the screw terminal for firmly fastening the terminals. The plastic clips provide supplementary insulation protection and the plastic cover provides against contact with other live components.In addition, these terminal blocks are usually designed to be used on printed circuit boards, in order to save space, and they can be customized into a distribution block containing high voltage terminals, low voltage terminals, earth terminals and ground terminals. This promotes usability and increases safety in various industrial applications, such as renewable energy, marine and medical systems.In conclusion, 0387217318 terminal blocks are reliable and practical electrical connection products which are commonly used in hazardous industrial environments. They feature quick and secure connection between two terminals, as well as isolation and surge protection. The usage flexibility and space saving of the terminal blocks makes them suitable in a variety of applications.

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