German Vishay Dale plug, Vishay Dale model, Vishay Dale price

Vishay Dale plugs are accessory products used to achieve electrical connections and are categorized industrially as connectors. As the level of industrial automation increases and industrial control requirements become stricter and more precise, the usage of terminal blocks has gradually risen. With the development of the electronics industry, the scope of use for terminal blocks has expanded, and their varieties have increased. Besides PCB board terminals, the most widely used types include hardware terminals, nut terminals, spring terminals, and more. Terminal blocks are applied to facilitate wire connections; they are essentially 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. In such cases, terminals can be used to connect them, allowing for disconnection at any time without the need for welding or twisting them together, which is very convenient and quick. They are also suitable for interconnecting large numbers of wires. 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.

Vishay Dale plug classification

Terminal blocks can be classified into European-style terminal block series, plug-in terminal block series, transformer terminal blocks, building wiring terminals, barrier-type terminal block series, spring-type terminal block series, DIN rail-mounted terminal block series, wall-through terminal block series, and optocoupler terminal blocks. Plug-in types consist of two parts that connect via plugging: one part clamps the wire and then plugs into the other part, which is soldered onto the PCB board. Based on the mechanical principle at the bottom, this anti-vibration design ensures long-term airtight connection and product reliability. Assembly ears can be added to both ends of the socket; these ears largely protect the contacts and prevent poor alignment, while the socket design ensures correct insertion into the housing. Sockets can also feature assembly clips and locking clips. Assembly clips provide more secure fixation to the PCB board, and locking clips can lock the housing and socket after installation. Various socket designs accommodate different insertion methods for housings, such as horizontal, vertical, or angled orientation relative to the printed circuit board, allowing selection based on customer requirements. Both metric and standard wire gauges can be selected, making this the best-selling terminal type on the market. Barrier-type terminals enable safe, reliable, and effective connections, especially in high-current and high-voltage environments. Spring-type terminals are a new type utilizing spring devices, widely used in global electrical and electronic engineering industries: lighting, elevator control, instruments, power supplies, chemical, and automotive power applications. DIN rail mounting adopts reliable screw connection technology, electronic fuse technology, and the latest electrical connection technology, widely used in power electronics, communications, electrical control, and power supply fields. DIN rail-mounted types use wire clamping and unique self-locking screw designs to ensure reliable and safe connections. This series features an aesthetically pleasing appearance and can be equipped with various accessories, such as short-circuit links, marker strips, and partitions. Wall-through types adopt screw connection technology, with insulation material made of PA66 (flammability rating: UL94, V-0), and connectors made of high-quality, highly conductive metal materials.

Vishay Dale plug features

Utilizing existing DIN rail-mounted terminal block frame screw connection technology and adding circuits composed of electronic components, optoelectronic transmission coupling is achieved. The core of automatic control requires that the control unit be reliably isolated from various sensors and actuators to avoid interference. Sanmenwan WUKG2 opto-isolation terminals effectively fulfill this function, ensuring that field signals match the low voltage required by electronic control devices. They can also serve as interface elements between peripheral equipment for process control and control, signal, and regulator devices, suitable for different voltage and power ranges. Opto-isolation terminals offer advantages such as low signal loss at the control end, high switching frequency, no mechanical contact bounce, wear-free switching, high insulation voltage, resistance to vibration, independence from position, and long service life, leading to widespread application in the field of automatic control.

Vishay Dale plug applications

Each bus type has its specific application areas. For instance, 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 the manufacturing industry. However, these divisions are not absolute, as each fieldbus strives to expand its application areas and penetrate each other's markets. Most fieldbuses are backed by one or several large multinational corporations and have established corresponding international organizations to expand their influence and gain more market share. For example, PROFIBUS is primarily supported by Siemens and has established the PROFIBUS International User Organization. WorldFIP is primarily backed by Alstom and has established the WorldFIP International User Organization.

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