A-TB381-ED18SB

Mounting Type:	Through Hole
Screw Thread:	M2
Torque - Screw:	0.245 Nm (2.17 Lb-In)
Screw Material - Plating:	Steel - Zinc Plated
Clamp Material - Plating:	Brass - Nickel Plated
Contact Material - Plating:	Brass - Tin Plated
Housing Material:	Thermoplastic
Operating Temperature:	-40°C ~ 115°C
Color:	Green
Features:	--
Wire Termination:	Screw - Rising Cage Clamp
Series:	A-TB381
Wire Gauge:	16-24 AWG
Voltage:	300V
Current:	8A
Mating Orientation:	Horizontal with Board
Pitch:	0.150" (3.81mm)
Positions Per Level:	18
Number of Levels:	1
Part Status:	Active
Packaging:	Bulk

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Introduction

Terminal blocks have been used for decades as a reliable and effective way of connecting wires to electronic circuits. Despite advances in other kinds of connectors, terminal blocks are still one of the most widely used methods for connecting various components together. One type of terminal block is the A-TB381-ED18SB, which is a two-position terminal block with a two-pole design. In this article, we will discuss the application field and working principle of A-TB381-ED18SB terminal blocks.

Application Field of A-TB381-ED18SB Terminal Blocks

The A-TB381-ED18SB terminal block is a two-pole, two-position terminal block with a silver-plated brass terminal and a black nylon housing. It is designed for a wide range of applications and is commonly used in the lighting, instrumentation and control industries. It is suitable for use in electrical installations that require a secure and reliable connection between two circuits or components, such as between two wires or between a wire and a panel-or-rack-mounted component.The A-TB381-ED18SB terminal block is capable of operating in temperatures ranging from -65°C to 105°C and is designed to accept wires ranging in size from 22AWG to 10AWG. This makes it a versatile connector for a variety of applications, both small and large. For small-scale applications, the terminal block is available in a 72-position version.

Working Principle of A-TB381-ED18SB Terminal Blocks

A-TB381-ED18SB terminal blocks feature a two-pole design, meaning there are two pathways through which an electrical current can pass. First, the electrical current passes through a bridge or contact piece, which is made of silver-plated brass. This contact piece, or bridge, ensures that both the wires being connected have an equal and secure point of connection and that the flow of current remains unobstructed.The second pathway the current takes is through the black nylon housing. This housing contains two slots that the wires can be inserted into. Once the wires are inserted, they are held securely in place by the tension of the housing and the friction of the wires against the slots. This ensures a secure connection because no matter how much the wire is tugged or pulled, the connection will remain intact.

Conclusion

A-TB381-ED18SB terminal blocks are a reliable and secure way of connecting two electrical circuits or components. Their two-position, two-pole design makes them an excellent choice for a variety of applications, ranging from small-scale lighting applications to larger panel-or-rack-mounted components. Their silver-plated brass contact piece and black nylon housing ensure a secure connection when connecting two components. This makes them a versatile and reliable choice for connecting wires and components in a wide range of industries.

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