German gwk plug gwk model gwk price

gwk plugs are accessory products used to establish electrical connections and are classified industrially as connectors. As industrial automation levels rise and industrial control requirements become increasingly strict and precise, the consumption of terminal blocks has gradually increased. With the development of the electronics industry, the application scope of terminal blocks has expanded, and their varieties have multiplied. Besides PCB board terminals, the most widely used types include hardware terminals, screw-cap terminals, spring terminals, and more. Terminal blocks are applied to facilitate wire connections; they essentially consist of a metal strip enclosed in insulating plastic, with holes at both ends for inserting wires and screws for tightening or loosening. For example, two wires may sometimes need to be connected and at other times disconnected; terminals allow them to be connected and disconnected at any time without welding or twisting them together, which is very convenient and fast. They are also suitable for large-scale wire interconnections. In the power industry, there are dedicated terminal strips and terminal boxes filled with terminal blocks, including single-layer, double-layer, current, voltage, standard, and disconnectable types. A certain crimping area is required to ensure reliable contact and sufficient current-carrying capacity.

gwk plug applications

Mainly applied in lighting, communications, security, and other industries. Plug-in terminals have the widest range of applications, such as in variable frequency drives, explosion-proof equipment, CNC panels, access control controllers, sensors, PLC, instruments, power supplies, servo drives. The common requirements for plug-in terminals in these industries are: stable insertion and extraction force, low contact resistance, and the ability to meet specific life and fatigue standards, which imposes higher requirements on hardware spring materials. This requires product designers to have considerable experience in structure and material selection. Barrier-type terminals are mainly applied in: power supplies, relays (especially double-layer terminals), inverters, elevator industry (less common), and air conditioning. The requirements for this series of terminals include high torque requirements for screws during wire crimping, the distance from the screw's highest position must exceed the maximum wire crimping range, long-position terminals must not warp or deform, and screws must have high corrosion resistance.

gwk plug material

1) The material of the female or male terminal shall be copper alloy, or plated copper alloy, nickel, or nickel alloy. [Exception: If the structure of the electrical appliance or device permits, the female or male terminal may be plated sheet, or non-plated but corrosion-resistant alloy. 2) If formed female terminals or trimmed male terminals appear in the form of terminal strips, when the terminal strip is continuously fed into the processing tool, the terminals are crimped and separated from the terminal strip, then in this case, the edge where the terminal connects to the terminal strip does not require plating. The standard terminals used in temperature and thermal cycling tests shall be tin-plated sheet or corrosion-resistant steel, according to the Rockwell 30T hardness scale, with a hardness of Rockwell hardness 68 ± 5. Exception: If the female terminal is only suitable for connecting to male terminals made of copper alloy, then C26000 copper alloy standard terminals shall be used for testing. 2.3 According to the Rockwell 30T hardness scale, the hardness of standard terminals made of brass is 62 ± 7.

gwk plug applications

Each fieldbus has its primary application areas. For example, FF and PROFIBUS-PA are suitable for process control in industries such as petroleum, chemical, pharmaceutical, and metallurgy; LonWorks, PROFIBUS-FMS, and DevieceNet are suitable for buildings, transportation, agriculture, and other fields; DeviceNet and PROFIBUS-DP are suitable for manufacturing. However, these divisions are not absolute, as each fieldbus strives to expand its application domain and penetrate others. Most fieldbuses are backed by one or several large multinational corporations that have established corresponding international organizations to expand their influence and gain more market share. For example, PROFIBUS is primarily supported by Siemens Company, which established the PROFIBUS International User Organization. WorldFIP is primarily backed by Alstom Company, which established the WorldFIP International User Organization.

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