TREVOS electrical components Germany TREVOS model TREVOS price

TREVOS electrical components are wires that transmit electric current. Current transmission is typically point-to-point. Power cords can be classified by application into AC AC power cords and DC DC power cords. Typically, AC power cords carry higher-voltage alternating current; due to the higher voltage, these cables must comply with unified standards and obtain safety certification before formal production. In contrast, DC cables basically carry lower-voltage direct current, so their safety requirements are not as strict as those for AC cables. However, for safety reasons, countries still require unified safety certification.

TREVOS electrical component composition

1. Wiring harnesses are designed to facilitate installation and maintenance, ensuring that electrical equipment can operate under the most severe conditions. Wires of different specifications and colors used by various electrical equipment in the entire vehicle are reasonably arranged and integrated into a single unit, with the wires bundled together using insulating materials, making them both complete and reliable. 2. Normal selection of wire cross-sectional area and color code: (1) Correct selection of wire cross-sectional area. The electrical equipment on the vehicle selects the cross-sectional area of the wire based on the magnitude of the load current. For electrical equipment that works for a long time, 60% of the actual current-carrying capacity of the wire can be selected; for electrical equipment that works for a short time, 60%-107% of the actual current-carrying capacity of the wire can be used. (2) Selection of wire color codes. To facilitate identification and maintenance, wires in the wiring harness use different colors. To facilitate labeling in circuit diagrams, the colors of the wires are represented by letters, and the corresponding colors are annotated in each circuit diagram.

TREVOS 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 large current overcomes the reaction spring, and the trip unit pulls the operating mechanism to act, causing the switch to trip instantaneously. During overload, the current increases, heating intensifies, and the bimetallic strip deforms to a certain extent to push the mechanism into action (the larger the current, the shorter the action time). There are electronic types that use current transformers to collect the current 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 cut off and connect load circuits, as well as to cut off fault circuits, prevent the expansion of accidents, and ensure safe operation. Arc extinguishing is a problem that high-voltage circuit breakers must solve. The principle of blowing out and extinguishing arcs is mainly to cool the arc to weaken thermal ionization. On the other hand, blowing out the arc lengthens it, strengthening the recombination and diffusion of charged particles, while blowing away the charged particles in the arc gap to quickly restore the insulation strength of the medium. Low-voltage circuit breakers, also known as automatic air switches, can be used to connect and disconnect load circuits, and can also be used to control motors that do not start frequently. Its functions are equivalent to the sum of part or all of the functions of electrical appliances such as knife switches, overcurrent relays, undervoltage relays, thermal relays, and leakage protectors. It is an important protective appliance in low-voltage distribution networks. Low-voltage circuit breakers have multiple protection functions (overload, short circuit, undervoltage protection, etc.), adjustable action values, high breaking capacity, convenient operation, and safety advantages, so they are widely used. Structure and working principle: Low-voltage circuit breakers consist of an operating mechanism, contacts, protection devices (various trip units), and an arc extinguishing system. The main contacts of a low-voltage circuit breaker are closed manually or electrically. After the main contacts are closed, the free-trip mechanism locks the main contacts in the closed position. The coil of the overcurrent trip unit and the thermal element of the thermal trip unit are connected in series with the main circuit, and the coil of the undervoltage trip unit is connected in parallel with the power supply. When a short circuit or serious overload occurs in the circuit, the armature of the overcurrent trip unit attracts, causing the free-trip mechanism to act and the main contacts to disconnect the main circuit. When the circuit is overloaded, the thermal element of the thermal trip unit heats up, causing the bimetallic strip to bend and push the free-trip mechanism into action. When the circuit voltage is low, the armature of the undervoltage trip unit releases, also causing the free-trip mechanism to act. The shunt trip unit is used for remote control. During normal operation, its coil is de-energized. When remote control is needed, pressing the start button energizes the coil.

TREVOS electrical component characteristics

(1) speakers have two terminals (two leads). When a single speaker is used, the two pins are not distinguished by positive and negative polarity. When multiple speakers are used simultaneously, the two pins have polarity distinctions. (2) speakers have a paper cone, which is usually black, but can also be white. (3) speakers come in several major shapes, including circular, square, and oval. (4) The back of the speaker paper cone is a magnet. When a metal screwdriver touches the magnet of an external magnetic speaker, the presence of magnetism can be felt. Internal magnetic speakers do not have this feeling, but there is indeed a magnet inside the housing. (5) Speakers are installed on the machine panel or inside the speaker box.

Weidou Intelligent Technology specializes in selling German TREVOS connectors, TREVOS switches, TREVOS relays, TREVOS controllers, TREVOS plugs, TREVOS sensors, TREVOS resistors, TREVOS capacitors, TREVOS buses, TREVOS modules, TREVOS cables, TREVOS power supplies, TREVOS interfaces, TREVOS gateways, TREVOS circuit breakers. TREVOS original imports from Germany. Welcome customers to inquire and order.