IRAZOLA electrical components Germany IRAZOLA model IRAZOLA price

IRAZOLA electrical components are active-matrix liquid crystal displays driven by thin-film transistors. They primarily use current to stimulate liquid crystal molecules to generate points, lines, and planes, which combine with backlights to form images. IPS, TFT, and SLCD are all subclasses of LCD. Their working principle is that, under the action of an electric field, the alignment direction of liquid crystal molecules changes, altering the transmittance (modulation) of external light sources to complete electro-optical conversion. Then, using different excitations of the R, G, and B primary color signals through red, green, and blue primary color filters, color reproduction in the time and space domains is completed.

IRAZOLA electrical component principle

A circuit breaker generally consists of a contact system, an arc-extinguishing system, an operating mechanism, a trip unit, and a housing. During a short circuit, the magnetic field generated by the high current overcomes the counterforce spring, causing the trip unit to actuate the operating mechanism and instantly trip the switch. During overload, the current increases, intensifying heat generation; the bimetallic strip deforms to a certain extent to push the mechanism into action (the higher the current, the shorter the operating time). Electronic types use current transformers to collect the current magnitude of each phase and compare it with the set value. When the current is abnormal, the microprocessor sends a signal to cause the electronic trip unit to drive the operating mechanism. The function of a circuit breaker is to connect and disconnect load circuits, as well as to interrupt fault circuits, preventing accident escalation and ensuring safe operation. Arc extinction is a critical issue that must be addressed in high-voltage circuit breakers. The principle of arc blowing and extinction primarily involves cooling the arc to reduce thermal ionization. On the other hand, arc blowing elongates the arc to enhance the recombination and diffusion of charged particles, while simultaneously blowing away charged particles from the arc gap, rapidly restoring the dielectric insulation strength. Low-voltage circuit breakers, also known as automatic air switches, can be used to connect and disconnect load circuits and to control motors that start infrequently. Their functionality is equivalent to the sum of part or all of the functions of electrical components such as knife switches, overcurrent relays, undervoltage relays, thermal relays, and residual current protective devices. They are important protective electrical appliances in low-voltage distribution networks. Low-voltage circuit breakers are widely used due to their advantages, including multiple protection functions (overload, short-circuit, undervoltage protection, etc.), adjustable operating values, high breaking capacity, ease of operation, and safety. Structure and working principle: A low-voltage circuit breaker consists of an operating mechanism, contacts, protective devices (various trip units), and an arc-extinguishing system. The main contacts of a low-voltage circuit breaker are closed manually or via electric closing. After the main contacts close, the free-trip mechanism locks the main contacts in the closed position. The coil of the overcurrent trip unit and the heating element of the thermal trip unit are connected in series with the main circuit, while the coil of the undervoltage trip unit is connected in parallel with the power supply. When a short circuit or severe overload occurs in the circuit, the armature of the overcurrent trip unit pulls in, causing the free-trip mechanism to operate and the main contacts to disconnect the main circuit. When the circuit is overloaded, the heating element of the thermal trip unit generates heat, causing the bimetallic strip to bend and push the free-trip mechanism into action. When the circuit voltage is too low, the armature of the undervoltage trip unit releases, also causing the free-trip mechanism to operate. The shunt trip unit is used for remote control; during normal operation, its coil is de-energized. When remote control is required, pressing the start button energizes the coil.

IRAZOLA electrical component structure

For rubber and plastic power cable conductors used for power, lighting, and internal installation of electrical equipment, copper cores are preferred; for large cross-section wires, compacted stranded cores are recommended. Conductors for fixed installation generally adopt Class 1 or Class 2 conductor structures. Insulation materials generally include four types: natural styrene-butadiene rubber, polyvinyl chloride (PVC), polyethylene, and nitrile-PVC compounds. Heat-resistant power cables use PVC with a temperature resistance of 90℃. Sheath materials generally include five types: PVC, cold-resistant PVC, ant-proof PVC, black polyethylene, and neoprene. Black polyethylene and neoprene sheathed power cables are suitable for extreme cold resistance and outdoor overhead laying. In environments with external forces, corrosion, or humidity, power cables with rubber or plastic sheaths can be used. Rubber and plastic flexible power cables use copper cores with a flexible structure, consisting of multiple single wires stranded together; flexible conductors generally adopt Class 5 or Class 6 conductor structures. Insulation materials generally include natural styrene-butadiene rubber, PVC, or soft polyethylene plastic. The cabling pitch ratio is small. The outer protective layer uses cotton yarn braiding to avoid overheating and damaging the insulation layer. To facilitate use and simplify production processes, a three-core balanced structure is adopted, which saves production labor hours and improves production efficiency. For shielded insulated power cable conductors, tinning is allowed in certain occasions; the surface coverage density of the shielding layer should comply with standards or meet user requirements; the shielding layer should be braided or wrapped with tinned copper wire; if an extruded sheath is added outside the shield, the shield may use soft round copper wire braiding or wrapping. To prevent internal interference between cores or pairs, individual phase shielding structures for each core (or pair) can be produced. General-purpose rubber-sheathed rubber power cable conductors use copper flexible wire strands with a flexible structure; large cross-section surfaces may be paper-wrapped to improve bending performance. Insulation uses natural styrene-butadiene rubber, which has good aging performance. Outdoor product rubber uses neoprene or a neoprene-based mixed rubber formula. Mining rubber power cable conductors use copper cores with a flexible structure, consisting of multiple single wires stranded together; flexible conductors generally adopt Class 5 or Class 10 conductor structures. Insulation materials generally use rubber. The cabling pitch ratio is small. Many products use metal braiding to uniform the electric field and improve the sensitivity display of insulation status. There is a thicker outer sheath, and color coding is performed underground in mines so that construction personnel understand the different voltage levels of the rubber power cables in use.

IRAZOLA electrical component features

Among various switches, there is a component with the ability to 'sense' objects approaching it—the displacement sensor. Using the sensitivity of the displacement sensor to approaching objects to achieve the purpose of controlling the switch on or off is what constitutes a proximity switch. When an object moves toward the proximity switch and approaches within a certain distance, the displacement sensor 'senses' it, and the switch acts. This distance is usually called the 'detection distance.' Different proximity switches have different detection distances. Sometimes the detected object moves toward the proximity switch one by one at certain time intervals, and then leaves one by one, repeating continuously. Different proximity switches have different response capabilities to the detection object. This response characteristic is called 'response frequency.'

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