German ABB JOKAB SAFETY plug, ABB JOKAB SAFETY model, ABB JOKAB SAFETY price

ABB JOKAB SAFETY plugs are accessory products used to achieve electrical connections and are categorized as connectors in industry. As industrial automation levels rise and industrial control requirements become stricter and more precise, the usage of terminal blocks is gradually increasing. With the development of the electronics industry, the scope of use for terminal blocks is expanding, and the variety is growing. Besides PCB board terminals, the most widely used types include hardware terminals, nut terminals, spring terminals, etc. Terminal blocks are applied to facilitate wire connections. They are essentially metal strips enclosed in insulating plastic, with holes at both ends for inserting wires and screws for tightening or loosening. For example, two wires may need to be connected or disconnected at times; terminals can be used to connect them and allow for disconnection at any time without welding or twisting them together, which is 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 specific crimping area ensures reliable contact and the ability to carry sufficient current.

ABB JOKAB SAFETY plug classification

Terminal blocks can be classified into European-style terminal block series, pluggable terminal block series, transformer terminal blocks, building wiring terminals, barrier-type terminal block series, spring-type terminal block series, DIN rail terminal block series, wall-through terminal block series, and optocoupler terminal blocks. Pluggable types consist of two parts: one part clamps the wire and then plugs into the other part, which is soldered onto the PCB board. The mechanical principle at the base and the anti-vibration design ensure 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 ensuring the socket inserts correctly into the housing. Sockets can also have 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 the housing, 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 using 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 types use wire clamping and unique self-locking screw designs, making connections reliable and safe. This series features an aesthetic design and can be equipped with various accessories such as short-circuit links, marker strips, and partitions. Wall-through types use screw connection technology; the insulating material is PA66 (flammability rating: UL94, V-0), and the connectors use high-quality highly conductive metal materials.

ABB JOKAB SAFETY plug features

Utilizing existing DIN rail terminal block frame screw connection technology and adding circuits composed of electronic components, optical transmission coupling is achieved. The core of automatic control requires the control unit to be reliably isolated from sensors and actuators to avoid interference. Sanmenwan WUKG2 opto-isolation terminals perform this function well, ensuring 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 wide application in the field of automatic control.

ABB JOKAB SAFETY plug wiring methods

1) Apply moderate force when tightening terminal connections to prevent stripping the threads of bolts and nuts due to excessive force. Replace any bolts and nuts with stripped threads immediately; do not continue operation with compromised fasteners. 2) When using a screwdriver to tighten or loosen screws, apply firm pressure to ensure the screwdriver tip seats securely in the screw head before turning, to prevent slippage that could damage the screw and make future disassembly difficult, especially for common miniature circuit breakers inside control cabinets. 3) If bolts or nuts are difficult to remove, do not force them, as this may cause deformation and make removal even harder. Instead, tap them gently or apply a penetrating oil or dilute hydrochloric acid, then attempt removal after a short wait. 4) Do not use pliers to tighten or loosen bolts or nuts, as this may cause damage. When using an adjustable wrench, adjust the jaw opening properly to prevent damaging or deforming the bolt or nut, which would make disassembly difficult. 5) A single terminal block may accept a maximum of two wires of the same type and specification. 6) For terminal blocks prone to loosening or poor contact, wire ends must be formed into a "?" shape when secured to the terminal block to increase contact area and prevent loosening. 7) When connecting wire ends or cable lugs together, do not insert non-copper washers or washers with poor conductivity between them. 8) When connecting wire ends, ensure the contact surfaces are smooth and free of oxidation. When connecting cable lugs or copper busbars, clean the contact surfaces, apply conductive paste, and then tighten. 9) When connecting temporary wiring, single-strand flexible wires should have their ends folded once before being connected to the lower terminal of the circuit breaker; single-core solid wires should be connected to the lower terminal of the circuit breaker in a "?" shape. 10) For motor wiring of 30KW and above, do not insert washers with poor conductivity (such as galvanized nuts, flat washers, or spring washers) between the motor output leads and the cables connecting to the motor. 11) When wrapping cables or other equipment requiring insulation protection with insulating tape, wrap from one end to the other with an overlap ratio of 1/2, ensuring at least one full back-and-forth pass.

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