1918706

Series:	*
Part Status:	Active

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Terminal Blocks - Headers, Plugs and SocketsThe 1918706 terminal blocks, headers, plugs, and sockets are a type of electrical connection connecting power and control circuits. In this connection, wires and cables are connected to their terminals which are connected to each other either by mechanical force, electrical rivets, pressure contacts or soldering by their header, plug or socket. The electrical contact points and headers are marked by numerical codes, demonstrating their function and indicating their electrical range. Terminal blocks are made of an insulated material and the terminal surface is usually slotted or knurled for easy insertion of the wires into the terminal conductive. In this way, each terminal block is held onto the mating device. The plug and socket designs are found in two varieties, with standard and screw-on terminal connectors. The standard type consists of two metal contacts that are inserted into two captive nuts and are pressed together to produce an electrical contact. The screw-on variant typically consists of two metal contacts that are connected by a captive screw-head and are secured to the terminal blocks using nut and washer assemblies. They are used mainly for applications where relatively low current is being conducted.Terminal blocks are used in a wide variety of industrial, commercial, and residential applications, including motor control circuits, voltage monitoring, current monitoring, and communication systems. In motor control circuits, terminal blocks provide an interconnection between the power circuit and the control circuits by ensuring the reliable connection of copper, aluminum, stainless steel, and other conductors.In these applications, the terminal blocks are commonly referred to as terminal receivers, bus-bars, or fuse blocks. Other applications for terminal blocks include switching power supplies, relaying of electrical signals, grounding, high voltage testing, and electrical grounding. Terminal blocks are designed for use at relatively high voltages, currents, and temperatures. Generally speaking, the operating temperature range is specified, and the use of heat sinks, cooling fans, or protective plates can be employed to extend the temperature range of use. Testing the insulation characteristics and continuity of the connection are important preventive maintenance steps to ensure the longevity of the terminal blocks. Some of these tests involve the use of high voltage and current testing equipment. It is important to properly maintain the insulation characteristics of the terminal block to avoid short circuits and other potentially hazardous situations.In conclusion, terminal blocks, headers, plugs, and sockets are essential components in electrical connections, and they are used for a variety of applications in industrial, commercial, and residential applications. Proper preventive maintenance should always be performed to ensure the connections are in good working order.

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